| Common Name | Scientific Name | Code |
|---|
| n/a | Dicerandra ?thinicola H.A. Miller (pro sp.) [densiflora ? sp.] | DITH3 |
| n/a | Dicerandra frutescens Shinners ssp. modesta R.B. Huck | DIFRM |
| n/a | Dicerandra immaculata Lakela var. savannarum R.B. Huck | DIIMS |
| n/a | Erythrochlamys spectabilis Guerke | ERSP19 |
| n/a | Galeopsis pubescens Bess. [excluded] | GAPU10 |
| n/a | Galeopsis segetum Neck. [excluded] | GASE8 |
| n/a | Galeopsis tetrahit L. var. arvensis Schlecht. | GATEA2 |
| n/a | Lycopus ?sherardii Steele (pro sp.) [uniflorus ? virginicus] | LYSH2 |
| n/a | Mentha ??verticillata L. [aquatica ? arvensis] | MEVE2 |
| n/a | Mentha ?rotundifolia (L.) Huds. (pro sp.) [longifolia ? suaveolens] | MERO2 |
| n/a | Mentha ?villosa Huds. (pro sp.) [spicata ? suaveolens] | MEVI6 |
| n/a | Monarda ?medioides Duncan [fistulosa ? media] | MOME2 |
| n/a | Monarda dressleri Scora [excluded] | MODR2 |
| n/a | Origanum vulgare L. ssp. gracile (K. Koch) Ietsw. | ORVUG |
| n/a | Phyllostegia ?yamaguchii Hosaka & O. Deg. (pro sp.) [glabra ? hirsuta] | PHYA |
| n/a | Phyllostegia parviflora (Gaud.) Benth. var. lydgatei (Sherff) W.L. Wagner | PHPAL |
| n/a | Poliomintha longiflora Gray var. congesta Irving [excluded] | POLOC2 |
| n/a | Poliomintha longiflora Gray [excluded] | POLO23 |
| n/a | Salvia ?bernardina Parish ex Greene (pro sp.) [columbariae ? mellifera] | SABE3 |
| n/a | Salvia ?palmeri Gray (pro sp.) [apiana ? clevelandii] | SAPA10 |
| n/a | Salvia ?superba Stapf [?sylvestris ? villicaulis] | SASU11 |
| n/a | Salvia aurea L. | SAAU8 |
| n/a | Salvia broussonetii Benth. | SABR13 |
| n/a | Salvia columbariae Benth. var. argillacea Welsh & Atwood | SACOA5 |
| n/a | Salvia dominica L. | SADO11 |
| n/a | Salvia eigii Zohary | SAEI |
| n/a | Salvia indica L. | SAIN12 |
| n/a | Salvia judaica Boiss. | SAJU |
| n/a | Salvia jurisicii Kosanin | SAJU2 |
| n/a | Salvia lanigera Poir. | SALA23 |
| n/a | Salvia microstegia Boiss. & Balansa | SAMI24 |
| n/a | Salvia palaestina Benth. | SAPA32 |
| n/a | Salvia pinnata L. | SAPI7 |
| n/a | Salvia samuelssonii Rech. f. | SASA22 |
| n/a | Salvia setosa Fern. [excluded] | SASE21 |
| n/a | Salvia spinosa L. | SASP11 |
| n/a | Salvia syriaca L. | SASY2 |
| n/a | Scutellaria ?churchilliana Fern. (pro sp.) [galericulata ? lateriflora] | SCCH2 |
| n/a | Stachys cretica L. [excluded] | STCR10 |
| n/a | Stenogyne kaalae Wawra ssp. sherffii (O. Deg.) W.L. Wagner & S.G. Weller | STKAS |
| n/a | Thymus thracicus Velen. | THTH5 |
| Acanthomintha duttonii | Acanthomintha obovata Jepson ssp. duttonii Abrams | ACOBD |
| acinos | Acinos P. Mill. | ACINO |
| Acinos arvensis | Acinos thymoides (L.) Moench | ACTH3 |
| Acinos arvensis | Calamintha acinos (L.) Clairville ex Gaud. | CAAC6 |
| Acinos arvensis | Clinopodium acinos (L.) Kuntze | CLAC5 |
| Acinos arvensis | Satureja acinos (L.) Scheele | SAAC |
| African basil | Ocimum gratissimum L. | OCGR |
| Agastache cusickii | Agastache cusickii (Greenm.) Heller var. parva Cronq. | AGCUP |
| Agastache foeniculum | Agastache anethiodora (Nutt.) Britt. | AGAN3 |
| Agastache mearnsii | Agastache pallidiflora (Heller) Rydb. ssp. mearnsii (Woot. & Standl.) Lint & Epling | AGPAM2 |
| Agastache micrantha | Cedronella micrantha Gray | CEMI7 |
| Agastache pallida | Agastache barberi (B.L. Robins.) Epling | AGBA3 |
| Agastache pallidiflora ssp. neomexicana var. havardii | Agastache breviflora (Gray) Epling var. havardii (Gray) Shinners | AGBRH |
| Agastache pallidiflora ssp. neomexicana var. havardii | Agastache pallidiflora (Heller) Rydb. ssp. havardii (Gray) Lint & Epling | AGPAH2 |
| Agastache pallidiflora ssp. neomexicana var. neomexicana | Agastache neomexicana (Briq.) Standl. | AGNE6 |
| Agastache pallidiflora ssp. pallidiflora var. greenei | Agastache greenei (Briq.) Woot. & Standl. | AGGR10 |
| Agastache pallidiflora ssp. pallidiflora var. pallidiflora | Agastache pallidiflora (Heller) Rydb. ssp. typica Lint & Epling | AGPAT2 |
| Agastache pringlei var. verticillata | Agastache verticillata Woot. & Standl. | AGVE3 |
| Agastache scrophulariifolia | Agastache scrophulariifolia (Willd.) Kuntze var. mollis (Fern.) Heller | AGSCM |
| Alabama skullcap | Scutellaria alabamensis Alexander | SCAL2 |
| Aleutian selfheal | Prunella vulgaris L. ssp. aleutica (Fern.) Hult | PRVUA |
| American bushmint | Hyptis americana (Poit.) Briq. | HYAM3 |
| American dragonhead | Dracocephalum parviflorum Nutt. | DRPA2 |
| American false pennyroyal | Hedeoma pulegioides (L.) Pers. | HEPU |
| American water horehound | Lycopus americanus Muhl. ex W. Bart. | LYAM |
| angled sandming | Rhododon angulatus (Tharp) B.L. Turner | RHAN5 |
| annual clary | Salvia viridis L. | SAVI13 |
| annual hedgenettle | Stachys annua (L.) L. | STAN |
| Apalachicola false rosemary | Conradina glabra Shinners | COGL9 |
| Appalachian mountainmint | Pycnanthemum flexuosum (Walt.) B.S.P. | PYFL |
| apple mint | Mentha suaveolens Ehrh. | MESU5 |
| Arizona bluecurls | Trichostema arizonicum Gray | TRAR |
| Arizona monardella | Monardella arizonica Epling | MOAR |
| aromatic false pennyroyal | Hedeoma hyssopifolia Gray | HEHY |
| artichoke betony | Stachys affinis Bunge | STAF2 |
| ascending wild basil | Clinopodium ascendens (Jord.) Samp. | CLAS4 |
| Ashe's calamint | Clinopodium ashei (Weatherby) Small | CLAS2 |
| autumn sage | Salvia greggii Gray | SAGR4 |
| awned mountainmint | Pycnanthemum setosum Nutt. | PYSE2 |
| azure blue sage | Salvia azurea Michx. ex Lam. | SAAZ |
| azure blue sage | Salvia azurea Michx. ex Lam. var. azurea | SAAZA |
| baby sage | Salvia microphylla Benth. | SAMI20 |
| Ballota nigra var. foetida | Ballota borealis Schweig. | BABO4 |
| Ballota nigra var. foetida | Ballota nigra L. ssp. foetida Hayek | BANIF |
| balm | Dicerandra Benth. | DICER |
| balm | Melissa L. | MELIS |
| basil | Ocimum L. | OCIMU |
| basil beebalm | Monarda clinopodioides Gray | MOCL2 |
| basil mountainmint | Pycnanthemum clinopodioides Torr. & Gray | PYCL |
| basil thyme | Acinos arvensis (Lam.) Dandy | ACAR2 |
| bayamon | Hyptis escobilla Urban | HYES |
| Beadle's mountainmint | Pycnanthemum beadlei (Small) Fern. | PYBE |
| beebalm | Monarda L. | MONAR |
| beefsteakplant | Perilla frutescens (L.) Britt. | PEFR4 |
| beefsteakplant | Perilla frutescens (L.) Britt. var. crispa (Benth.) Deane | PEFRC2 |
| beefsteakplant | Perilla frutescens (L.) Britt. var. frutescens | PEFRF2 |
| Belize sage | Salvia miniata Fernald | SAMI25 |
| Berg's hedgenettle | Stachys bergii G. Mulligan & D. Munro | STBE6 |
| big red sage | Salvia penstemonoides Kunth & Bouch | SAPE6 |
| big-sage | Stachys macrantha (K. Koch) Stearn | STMA12 |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora (Heller) Rydb. | AGPA |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora (Heller) Rydb. ssp. neomexicana (Briq.) Lint & Epling | AGPAN |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora (Heller) Rydb. ssp. neomexicana (Briq.) Lint & Epling var. havardii (Gray) R.W. Sanders | AGPAH3 |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora (Heller) Rydb. ssp. neomexicana (Briq.) Lint & Epling var. neomexicana (Briq.) R.W. Sanders | AGPAN2 |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora (Heller) Rydb. ssp. pallidiflora | AGPAP2 |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora (Heller) Rydb. ssp. pallidiflora var. gilensis R.W. Sanders | AGPAG3 |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora (Heller) Rydb. ssp. pallidiflora var. greenei (Briq.) R.W. Sanders | AGPAG4 |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora (Heller) Rydb. ssp. pallidiflora var. pallidiflora | AGPAP4 |
| black horehound | Ballota nigra L. | BANI |
| black horehound | Ballota nigra L. var. alba (L.) Sm. | BANIA |
| black horehound | Ballota nigra L. var. foetida (Hayek) Vis. | BANIF2 |
| black horehound | Ballota nigra L. var. nigra | BANIN |
| black sage | Salvia mellifera Greene | SAME3 |
| bladdersage | Salazaria Torr. | SALAZ |
| Blodgett's sage | Salvia micrantha Vahl var. blodgettii (Chapman) Epling | SAMIB |
| blood sage | Salvia coccinea P.J. Buchoz ex Etlinger | SACO5 |
| blue bugle | Ajuga genevensis L. | AJGE |
| blue giant hyssop | Agastache foeniculum (Pursh) Kuntze | AGFO |
| Blue Ridge horsebalm | Collinsonia serotina Walt. | COSE11 |
| Blue Ridge skullcap | Scutellaria arguta Buckl. | SCAR4 |
| blue sage | Salvia pachyphylla Epling ex Munz | SAPA5 |
| blue skullcap | Scutellaria caerulea Moc. & Sess | SCCA31 |
| blue skullcap | Scutellaria lateriflora L. | SCLA2 |
| blue skullcap | Scutellaria lateriflora L. var. lateriflora | SCLAL2 |
| bluecurls | Trichostema L. | TRICH9 |
| bog stenogyne | Stenogyne calaminthoides Gray | STCA9 |
| bracted phyllostegia | Phyllostegia bracteata Sherff | PHBR6 |
| Brazoria truncata var. pulcherrima | Brazoria pulcherrima Lundell | BRPU7 |
| brazos-mint | Brazoria Engelm. & Gray | BRAZO |
| brazosmint | Warnockia M.W. Turner | WARNO |
| Brewer's monardella | Monardella breweri Gray | MOBR3 |
| brittlestem hempnettle | Galeopsis tetrahit L. | GATE2 |
| brittlestem hempnettle | Galeopsis tetrahit L. var. tetrahit | GATET2 |
| Britton's skullcap | Scutellaria brittonii Porter | SCBR3 |
| broadleaved lavender | Lavandula latifolia Medikus | LALA13 |
| broadtooth hedgenettle | Stachys latidens Small ex Britt. | STLA5 |
| Browne's savory | Clinopodium brownei (Sw.) Kuntze | CLBR7 |
| bugle | Ajuga L. | AJUGA |
| bugle hedgenettle | Stachys ajugoides Benth. | STAJ |
| Bush's skullcap | Scutellaria bushii Britt. | SCBU |
| bushmint | Hyptis Jacq. | HYPTI |
| calamint | Calamintha P. Mill. | CALAM4 |
| Calamintha nepeta ssp. ?nepeta | Calamintha nepetoides Jord. | CANE22 |
| Calamintha nepeta ssp. ?nepeta | Clinopodium nepeta (L.) Kuntze | CLNE3 |
| Calamintha nepeta ssp. ?nepeta | Satureja calamintha (L.) Scheele var. nepeta (L.) Briq. | SACAN |
| Calamintha nepeta ssp. ?nepeta | Satureja calamintha (L.) Scheele var. nepetoides (Jord.) Briq. | SACAN2 |
| Calamintha nepeta ssp. ?nepeta | Satureja nepeta (L.) Scheele | SANE5 |
| Calamintha nepeta ssp. glandulosa | Satureja calamintha (L.) Scheele | SACA16 |
| Calamintha nepeta ssp. glandulosa | Satureja calamintha (L.) Scheele var. glandulosa (Riquien) Briq. | SACAG |
| Calamintha sylvatica ssp. ascendens | Calamintha officinalis auct. non Moench [misapplied] | CAOF2 |
| Calamintha sylvatica ssp. ascendens | Satureja calamintha (L.) Scheele ssp. ascendens (Jord.) Briq. | SACAA |
| Calamintha sylvatica ssp. ascendens | Satureja sylvatica (Bromf.) K. Maly ssp. ascendens (Jord.) Taylor & MacBryde | SASYA |
| California false pennyroyal | Hedeoma nana (Torr.) Briq. ssp. californica W.S. Stewart | HENAC |
| California hedgenettle | Stachys bullata Benth. | STBU |
| California skullcap | Scutellaria californica Gray | SCCA3 |
| Canada germander | Teucrium canadense L. | TECA3 |
| Canada germander | Teucrium canadense L. var. canadense | TECAC |
| Canada germander | Teucrium canadense L. var. hypoleucum Griseb. | TECAH |
| canyon sage | Salvia lycioides Gray | SALY |
| Carolina birds-in-a-nest | Macbridea caroliniana (Walt.) Blake | MACA |
| Carolina water horehound | Lycopus cokeri Ahles ex Sorrie | LYCO7 |
| catnip | Nepeta cataria L. | NECA2 |
| catnip | Nepeta L. | NEPET |
| Caucasus catmint | Nepeta grandiflora Bieb. | NEGR3 |
| cedar sage | Salvia roemeriana Scheele | SARO3 |
| cedronella | Cedronella Moench | CEDRO |
| Centerville brazos-mint | Brazoria truncata (Benth.) Engelm. & Gray var. pulcherrima (Lundell) M.W. Turner | BRTRP |
| Chaiturus marrubiastrum | Leonurus marrubiastrum L. | LEMA2 |
| Chapman's sage | Salvia chapmanii Gray | SACH5 |
| chia | Salvia columbariae Benth. | SACO6 |
| chia | Salvia columbariae Benth. var. columbariae | SACOC |
| chia | Salvia hispanica L. | SAHI6 |
| chia | Salvia potus Epling | SAPO7 |
| Christmas candlestick | Leonotis nepetifolia (L.) R. Br. ex Ait. f. | LENE |
| clasping water horehound | Lycopus amplectens Raf. | LYAM2 |
| Clingman's hedgenettle | Stachys clingmanii Small | STCL |
| clinopodium | Clinopodium L. | CLINO |
| Clinopodium arkansanum | Calamintha arkansana (Nutt.) Shinners | CAAR33 |
| Clinopodium arkansanum | Calamintha glabella (Michx.) Benth. var. angustifolia (Torr.) DeWolf | CAGLA2 |
| Clinopodium arkansanum | Clinopodium glabrum (Nutt.) Kuntze | CLGL3 |
| Clinopodium arkansanum | Hedeoma arkansana Nutt. | HEAR13 |
| Clinopodium arkansanum | Hedeoma glabra Nutt. | HEGL11 |
| Clinopodium arkansanum | Satureja arkansana (Nutt.) Briq. | SAAR11 |
| Clinopodium arkansanum | Satureja glabella (Michx.) Briq. var. angustifolia (Torr.) Svens. | SAGLA2 |
| Clinopodium arkansanum | Satureja glabra (Nutt.) Fern. | SAGL8 |
| Clinopodium ascendens | Calamintha ascendens Jord. | CAAS5 |
| Clinopodium ascendens | Satureja ascendens (Jord.) K. Moly | SAAS3 |
| Clinopodium ashei | Calamintha ashei (Weatherby) Shinners | CAAS9 |
| Clinopodium ashei | Satureja ashei Weatherby | SAAS |
| Clinopodium brownei | Micromeria brownei (Sw.) Benth. | MIBR9 |
| Clinopodium brownei | Micromeria brownei (Sw.) Benth. var. pilosiuscula Gray | MIBRP |
| Clinopodium brownei | Micromeria pilosiuscula (Gray) Small | MIPI7 |
| Clinopodium brownei | Satureja brownei (Sw.) Briq. | SABR19 |
| Clinopodium chandleri | Calamintha chandleri Brandeg. | CACH24 |
| Clinopodium chandleri | Satureja chandleri (Brandeg.) Druce | SACH3 |
| Clinopodium coccineum | Calamintha coccinea (Nutt. ex Hook.) Benth. | CACO39 |
| Clinopodium coccineum | Clinopodium macrocalyx Small | CLMA9 |
| Clinopodium coccineum | Cunila coccinea Nutt. ex Hook. | CUCO6 |
| Clinopodium coccineum | Satureja coccinea (Nutt. ex Hook.) Bertol. | SACO9 |
| Clinopodium dentatum | Calamintha dentata Chapman | CADE26 |
| Clinopodium dentatum | Satureja dentata (Chapman) Briq. | SADE5 |
| Clinopodium douglasii | Micromeria chamissonis (Benth.) Greene | MICH2 |
| Clinopodium douglasii | Satureja chamissonis (Benth.) Briq. | SACH11 |
| Clinopodium douglasii | Satureja douglasii (Benth.) Briq. | SADO5 |
| Clinopodium georgianum | Calamintha georgiana (Harper) Shinners | CAGE7 |
| Clinopodium georgianum | Satureja caroliniana auct. non (Michx.) Briq. [misapplied] | SACA28 |
| Clinopodium georgianum | Satureja georgiana (Harper) Ahles | SAGE3 |
| Clinopodium glabellum | Calamintha glabella (Michx.) Benth. | CAGL18 |
| Clinopodium glabellum | Cunila glabella Michx. | CUGL8 |
| Clinopodium glabellum | Satureja glabella (Michx.) Briq. | SAGL6 |
| Clinopodium mimuloides | Satureja mimuloides (Benth.) Briq. | SAMI4 |
| Clinopodium vulgare | Calamintha vulgaris (L.) Hal?csy, non Clairv. | CAVU8 |
| Clinopodium vulgare | Clinopodium vulgare L. var. neogaea (Fern.) C.F. Reed | CLVUN |
| Clinopodium vulgare | Satureja vulgaris (L.) Fritsch | SAVU |
| Clinopodium vulgare | Satureja vulgaris (L.) Fritsch var. diminuta (Simon) Fern. & Wieg. | SAVUD |
| Clinopodium vulgare | Satureja vulgaris (L.) Fritsch var. neogaea Fern. | SAVUN |
| clustered bushmint | Hyptis alata (Raf.) Shinners | HYAL |
| clustered mountainmint | Pycnanthemum muticum (Michx.) Pers. | PYMU |
| clustered sage | Salvia whitehousei G. Alziar | SAWH2 |
| coastal hedgenettle | Stachys chamissonis Benth. | STCH |
| coastal hedgenettle | Stachys chamissonis Benth. var. chamissonis | STCHC2 |
| coastal hedgenettle | Stachys chamissonis Benth. var. cooleyae (Heller) G. Mulligan & D. Munro | STCHC3 |
| coastal phyllostegia | Phyllostegia variabilis Bitter | PHVA5 |
| coastal plain balm | Dicerandra linearifolia (Ell.) Benth. | DILI3 |
| coastal plain balm | Dicerandra linearifolia (Ell.) Benth. var. linearifolia | DILIL2 |
| coastal plain balm | Dicerandra linearifolia (Ell.) Benth. var. robustior R.B. Huck | DILIR |
| coastal plain mountainmint | Pycnanthemum nudum Nutt. | PYNU |
| coleus | Coleus barbatus (Andrews) Benth. | COBA10 |
| coleus | Coleus Lour. | COLEU |
| Collinsonia serotina | Collinsonia canadensis L. var. punctata (Ell.) Gray | COCAP2 |
| Collinsonia serotina | Collinsonia punctata Ell. | COPU12 |
| Collinsonia serotina | Hypogon verticillata Raf. | HYVE5 |
| Collinsonia serotina | Micheliella anisata (Sims) Briq. | MIAN3 |
| Collinsonia verticillata | Hypogon verticillata (Baldw.) House, non Raf. | HYVE6 |
| Collinsonia verticillata | Micheliella verticillata (Baldw.) Briq. | MIVE4 |
| comb bushmint | Hyptis pectinata (L.) Poit. | HYPE3 |
| common balm | Melissa officinalis L. | MEOF2 |
| common bugle | Ajuga reptans L. | AJRE |
| common dittany | Cunila origanoides (L.) Britt. | CUOR |
| common germander | Teucrium glandulosum Kellogg | TEGL2 |
| common hedgenettle | Stachys officinalis (L.) Trev. | STOF2 |
| common motherwort | Leonurus cardiaca L. | LECA2 |
| common motherwort | Leonurus cardiaca L. ssp. cardiaca | LECAC7 |
| common selfheal | Prunella vulgaris L. | PRVU |
| common selfheal | Prunella vulgaris L. ssp. vulgaris | PRVUV |
| compact white sage | Salvia apiana Jepson var. compacta Munz | SAAPC |
| Conradina canescens | Calamintha canescens Torr. & Gray ex Benth., non K. Presl | CACA44 |
| Conradina canescens | Conradina brevifolia Shinners | COBR5 |
| Conradina canescens | Conradina puberula Small | COPU7 |
| Conradina verticillata | Conradina montana Small | COMO7 |
| Correll's false dragonhead | Physostegia correllii (Lundell) Shinners | PHCO17 |
| coyote mint | Monardella villosa Benth. | MOVI2 |
| coyote mint | Monardella villosa Benth. ssp. franciscana (Elmer) Jokerst | MOVIF3 |
| coyote mint | Monardella villosa Benth. ssp. villosa | MOVIV |
| creeping sage | Salvia sonomensis Greene | SASO |
| creeping thyme | Thymus praecox Opiz ssp. arcticus (Dur.) Jalas | THPRA |
| crested latesummer mint | Elsholtzia ciliata (Thunb.) Hyl. | ELCI |
| crimson sage | Salvia henryi Gray | SAHE3 |
| crisped monardella | Monardella crispa Elmer | MOCR |
| Culberson County skullcap | Scutellaria laevis Shinners | SCLA4 |
| Cumberland false rosemary | Conradina verticillata Jennison | COVE4 |
| Cumberland pagoda-plant | Blephilia subnuda R. Simmers & Kral | BLSU |
| cunila | Cunila D. Royen ex L. | CUNIL |
| Cunila origanoides | Cunila mariana L. | CUMA7 |
| Cunila origanoides | Mappia origanoides (L.) House | MAOR6 |
| curlyleaf monardella | Monardella undulata Benth. | MOUN |
| Cusick's giant hyssop | Agastache cusickii (Greenm.) Heller | AGCU |
| Cuthbert's skullcap | Scutellaria ovata Hill ssp. cuthbertii (Alexander) Epling | SCOVC2 |
| cutleaf germander | Teucrium botrys L. | TEBO |
| cutleaf selfheal | Prunella laciniata (L.) L. | PRLA7 |
| Danny's skullcap | Scutellaria tuberosa Benth. | SCTU2 |
| Davidson's sage | Salvia davidsonii Greenm. | SADA2 |
| deadnettle | Lamium L. | LAMIU |
| deepwoods horsebalm | Collinsonia tuberosa Michx. | COTU2 |
| dentate false pennyroyal | Hedeoma dentata Torr. | HEDE2 |
| desert indigo sage | Salvia arizonica Gray | SAAR8 |
| desert lavender | Hyptis emoryi Torr. | HYEM |
| desert monardella | Monardella exilis (Gray) Greene | MOEX |
| Dicerandra densiflora | Ceranthera densiflora (Benth.) Gray | CEDE6 |
| Dicerandra linearifolia var. linearifolia | Ceranthera linearifolia Ell. | CELI4 |
| Douglas's mesamint | Pogogyne douglasii Benth. | PODO2 |
| Douglas's mesamint | Pogogyne douglasii Benth. ssp. douglasii | PODOD2 |
| Douglas's mesamint | Pogogyne douglasii Benth. ssp. minor J.T. Howell | PODOM5 |
| Douglas's mesamint | Pogogyne douglasii Benth. ssp. parviflora (Benth.) J.T. Howell | PODOP2 |
| Douglas's monardella | Monardella douglasii Benth. | MODO |
| Douglas's monardella | Monardella douglasii Benth. ssp. douglasii | MODOD2 |
| downy pagoda-plant | Blephilia ciliata (L.) Benth. | BLCI |
| Dracocephalum moldavica | Moldavica moldavica (L.) Britt. | MOMO |
| Dracocephalum parviflorum | Moldavica parviflora (Nutt.) Britt. | MOPA4 |
| Dracocephalum thymiflorum | Moldavica thymiflora (L.) Rydb. | MOTH |
| dragonhead | Dracocephalum L. | DRACO |
| Drummond's false pennyroyal | Hedeoma drummondii Benth. | HEDR |
| Drummond's hedgenettle | Stachys drummondii Benth. | STDR |
| Drummond's skullcap | Scutellaria drummondii Benth. | SCDR2 |
| Drummond's skullcap | Scutellaria drummondii Benth. var. drummondii | SCDRD |
| Drummond's skullcap | Scutellaria drummondii Benth. var. edwardsiana B.L. Turner | SCDRE |
| Drummond's skullcap | Scutellaria drummondii Benth. var. runyonii B.L. Turner | SCDRR |
| dwarf coleus | Solenostemon scutellarioides (L.) Codd | SOSC7 |
| dwarf false pennyroyal | Hedeoma nana (Torr.) Briq. | HENA |
| dwarf false pennyroyal | Hedeoma nana (Torr.) Briq. ssp. macrocalyx W.S. Stewart | HENAM |
| dwarf false pennyroyal | Hedeoma nana (Torr.) Briq. ssp. nana | HENAN |
| dwarf skullcap | Scutellaria nana Gray | SCNA |
| eastern beebalm | Monarda bradburiana Beck | MOBR2 |
| eastern false dragonhead | Physostegia purpurea (Walt.) Blake | PHPU10 |
| Egyptian marjoram | Origanum maru L. | ORMA6 |
| elsholtzia | Elsholtzia Willd. | ELSHO |
| Elsholtzia ciliata | Elsholtzia cristata Willd. | ELCR5 |
| Engelmann's sage | Salvia engelmannii Gray | SAEN2 |
| English lavender | Lavandula angustifolia P. Mill. | LAAN81 |
| Epling's hedgenettle | Stachys eplingii J. Nelson | STEP |
| erythrochlamys | Erythrochlamys Guerke | ERYTH7 |
| Eton rosemary | Conradina etonia Kral & McCartney | COET |
| Eurasian thyme | Thymus kosteletzkyanus Opiz | THKO |
| Europe sage | Salvia sclarea L. | SASC2 |
| false ironwort | Hyptis capitata Jacq. | HYCA12 |
| false pennyroyal | Hedeoma Pers. | HEDEO |
| false rosemary | Conradina canescens Gray | COCA19 |
| false rosemary | Conradina Gray | CONRA |
| falseteeth skullcap | Scutellaria pseudoserrata Epling | SCPS |
| Feather River monardella | Monardella stebbinsii Hardham & Bartel | MOST3 |
| feltleaf monardella | Monardella hypoleuca Gray ssp. lanata (Abrams) Munz | MOHYL |
| finger false dragonhead | Physostegia digitalis Small | PHDI7 |
| flaxleaf monardella | Monardella linoides Gray | MOLI3 |
| flaxleaf monardella | Monardella linoides Gray ssp. linoides | MOLIL |
| flaxleaf monardella | Monardella linoides Gray ssp. oblonga (Greene) Abrams | MOLIO |
| flaxleaf monardella | Monardella linoides Gray ssp. stricta (Parish) Epling | MOLIS |
| Florida balm | Dicerandra densiflora Benth. | DIDE5 |
| Florida calamint | Clinopodium dentatum (Chapman) Kuntze | CLDE4 |
| Florida hedgenettle | Stachys floridana Shuttlw. ex Benth. | STFL4 |
| Florida Keys sage | Salvia riparia Kunth | SARI5 |
| Florida mountainmint | Pycnanthemum floridanum E. Grant & Epling | PYFL2 |
| Florida scrub bluecurls | Trichostema suffrutescens Kearney | TRSU6 |
| Florida scrub skullcap | Scutellaria arenicola Small | SCAR3 |
| Florida skullcap | Scutellaria floridana Chapman | SCFL4 |
| fluxweed | Trichostema brachiatum L. | TRBR5 |
| Follett's monardella | Monardella follettii (Jepson) Jokerst | MOFO3 |
| forest stenogyne | Stenogyne kamehamehae Wawra | STKA2 |
| forked bluecurls | Trichostema dichotomum L. | TRDI2 |
| forskohlii | Plectranthus barbatus Andrews | PLBA2 |
| fragrant sage | Salvia clevelandii (Gray) Greene | SACL |
| French lavender | Lavandula stoechas L. | LAST9 |
| frosted mint | Poliomintha incana (Torr.) Gray | POIN3 |
| fuzzyflower stenogyne | Stenogyne sessilis Benth. | STSE5 |
| fuzzystem phyllostegia | Phyllostegia wawrana Sherff | PHWA2 |
| Galeopsis angustifolia | Galeopsis ladanum L. var. angustifolia (Ehrh. ex Hoffmann) Wallr. | GALAA |
| Galeopsis bifida | Galeopsis tetrahit L. var. bifida (Boenn.) Lej. & Court. | GATEB |
| Galeopsis segetum | Galeopsis villosa Huds. [excluded] | GAVI10 |
| garden thyme | Thymus vulgaris L. | THVU |
| Georgia calamint | Clinopodium georgianum Harper | CLGE |
| Georgia skullcap | Scutellaria glabriuscula Fern. | SCGL4 |
| German hedgenettle | Stachys germanica L. | STGE |
| germander | Teucrium L. | TEUCR |
| giant hyssop | Agastache Clayton ex Gronov. | AGAST |
| gingermint | Mentha ?gracilis Sole (pro sp.) [arvensis ? spicata] | MEGR2 |
| glechoma | Glechoma L. | GLECH |
| Glechoma hederacea | Glechoma hederacea L. var. micrantha Moric. | GLHEM |
| Glechoma hederacea | Glechoma hederacea L. var. parviflora (Benth.) House | GLHEP |
| Glechoma hederacea | Nepeta hederacea (L.) Trevisan | NEHE2 |
| Godfrey's false dragonhead | Physostegia godfreyi Cantino | PHGO2 |
| gray monardella | Monardella cinerea Abrams | MOCI2 |
| grayleaf skullcap | Scutellaria siphocampyloides Vatke | SCSI6 |
| great sage | Salvia summa A. Nels. | SASU4 |
| Greek oregano | Salvia fruticosa Mill. | SAFR10 |
| green beebalm | Monarda viridissima Correll | MOVI5 |
| green monardella | Monardella viridis Jepson | MOVI3 |
| green monardella | Monardella viridis Jepson ssp. viridis | MOVIV2 |
| ground ivy | Glechoma hederacea L. | GLHE2 |
| gulf skullcap | Scutellaria cardiophylla Engelm. & Gray | SCCA4 |
| Guyandotte beauty | Synandra hispidula (Michx.) Britt. | SYHI |
| gypsywort | Lycopus europaeus L. | LYEU |
| hairy hedgenettle | Stachys pilosa Nutt. | STPI6 |
| hairy hedgenettle | Stachys pilosa Nutt. var. arenicola (Britt.) G. Mulligan & D. Munro | STPIA |
| hairy hedgenettle | Stachys pilosa Nutt. var. pilosa | STPIP5 |
| hairy ironwort | Sideritis lanata L. | SILA8 |
| hairy pagoda-plant | Blephilia hirsuta (Pursh) Benth. | BLHI |
| hairy pagoda-plant | Blephilia hirsuta (Pursh) Benth. var. glabrata Fern. | BLHIG |
| hairy pagoda-plant | Blephilia hirsuta (Pursh) Benth. var. hirsuta | BLHIH |
| hairy skullcap | Scutellaria elliptica Muhl. ex Spreng. | SCEL |
| hairy skullcap | Scutellaria elliptica Muhl. ex Spreng. var. elliptica | SCELE |
| hairy skullcap | Scutellaria elliptica Muhl. ex Spreng. var. hirsuta (Short & Peter) Fern. | SCELH |
| Haleakala stenogyne | Stenogyne haliakalae Wawra | STHA2 |
| Hall's monardella | Monardella macrantha Gray ssp. hallii (Abrams) Abrams | MOMAH |
| haplostachys | Haplostachys (Gray) Hbd. | HAPLO4 |
| Haplostachys bryanii | Haplostachys bryanii Sherff var. microdonta Sherff | HABRM |
| Haplostachys bryanii | Haplostachys bryanii Sherff var. robusta Sherff | HABRR |
| Haplostachys haplostachya | Haplostachys haplostachya (Gray) St. John var. angustifolia (Sherff) St. John | HAHAA |
| Haplostachys haplostachya | Haplostachys haplostachya (Gray) St. John var. leptostachya (Hbd.) St. John | HAHAL |
| Haplostachys linearifolia | Haplostachys linearifolia (Drake) Sherff var. rosmarinifolia (Hbd.) Sherff | HALIR |
| hausa potato | Solenostemon rotundifolius (Poiret) J. K. Morton | SORO5 |
| Havana skullcap | Scutellaria havanensis Jacq. | SCHA6 |
| Hawai'i phyllostegia | Phyllostegia floribunda Benth. | PHFL6 |
| Hawai'i stenogyne | Stenogyne macrantha Benth. | STMA3 |
| heartleaf hedgenettle | Stachys cordata Riddell | STCO9 |
| heartleaf skullcap | Scutellaria ovata Hill | SCOV |
| heartleaf skullcap | Scutellaria ovata Hill ssp. bracteata (Benth.) Epling | SCOVB |
| heartleaf skullcap | Scutellaria ovata Hill ssp. mexicana Epling | SCOVM |
| heartleaf skullcap | Scutellaria ovata Hill ssp. ovata | SCOVO |
| heartleaf skullcap | Scutellaria ovata Hill ssp. pseudoarguta Epling | SCOVP |
| heartleaf skullcap | Scutellaria ovata Hill ssp. rugosa (Wood) Epling | SCOVR |
| heartleaf skullcap | Scutellaria ovata Hill ssp. rupestris Epling | SCOVR2 |
| heartleaf skullcap | Scutellaria ovata Hill ssp. venosa Epling | SCOVV2 |
| heartleaf thorn-mint | Acanthomintha obovata Jepson ssp. cordata Jokerst | ACOBC |
| Hedeoma costata var. costata | Hedeoma tenella Hemsl. | HETE22 |
| Hedeoma costata var. pulchella | Hedeoma convisae A. Nels. | HECO21 |
| Hedeoma costata var. pulchella | Hedeoma pulchella Greene | HEPU13 |
| Hedeoma diffusa | Hedeoma blepharodonta Greene | HEBL |
| Hedeoma drummondii | Hedeoma campora Rydb. | HECA18 |
| Hedeoma drummondii | Hedeoma ciliata Nutt. | HECI8 |
| Hedeoma drummondii | Hedeoma drummondii Benth. var. crenulata Irving | HEDRC |
| Hedeoma drummondii | Hedeoma longiflora Rydb. | HELO9 |
| Hedeoma drummondii | Hedeoma ovata A. Nels. | HEOV2 |
| Hedeoma mollis | Poliomintha mollis (Torr.) Gray | POMO17 |
| Hedeoma nana ssp. nana | Hedeoma nana (Torr.) Briq. ssp. typica W.S. Stewart | HENAT |
| Hedeoma nana ssp. nana | Hedeoma thymoides Gray | HETH4 |
| Hedeoma oblongifolia | Hedeoma piperita Benth. var. oblongifolia Gray | HEPIO |
| Hedeoma oblongifolia | Hedeoma thymoides Gray var. oblongifolia (Gray) Gray | HETHO |
| Hedeoma pulegioides | Cunila pulegioides L. | CUPU |
| Hedeoma pulegioides | Melissa pulegioides (L.) L. | MEPU7 |
| Hedeoma pulegioides | Ziziphora pulegioides (L.) Desf. | ZIPU3 |
| Hedeoma reverchonii var. reverchonii | Hedeoma drummondii Benth. var. reverchonii Gray | HEDRR |
| Hedeoma reverchonii var. reverchonii | Hedeoma lata Small | HELA15 |
| Hedeoma reverchonii var. serpyllifolia | Hedeoma sancta Small | HESA10 |
| Hedeoma reverchonii var. serpyllifolia | Hedeoma serpyllifolia Small | HESE5 |
| hedgenettle | Stachys L. | STACH |
| helmet flower | Scutellaria integrifolia L. | SCIN2 |
| hempnettle | Galeopsis L. | GALEO |
| henbit deadnettle | Lamium amplexicaule L. | LAAM |
| herb of Gilead | Cedronella canariensis (L.) Willd. ex Webb & Berth. | CECA |
| Hernandez's bluecurls | Trichostema rubisepalum Elmer | TRRU |
| Hillebrand's phyllostegia | Phyllostegia hillebrandii Mann ex Hbd. | PHHI4 |
| hispid phyllostegia | Phyllostegia hispida Hbd. | PHHI6 |
| hoary basil | Ocimum canum Sims | OCCA4 |
| hoary basil | Ocimum kilimandscharicum Guerke | OCKI2 |
| hoary mountainmint | Pycnanthemum incanum (L.) Michx. | PYIN |
| hoary mountainmint | Pycnanthemum incanum (L.) Michx. var. incanum | PYINI |
| hoary mountainmint | Pycnanthemum incanum (L.) Michx. var. puberulum (E. Grant & Epling) Fern. | PYINP |
| hoary skullcap | Scutellaria incana Biehler | SCIN |
| hoary skullcap | Scutellaria incana Biehler var. australis (Epling) Collins, comb. nov. ined. | SCINA |
| hoary skullcap | Scutellaria incana Biehler var. incana | SCINI2 |
| hoary skullcap | Scutellaria incana Biehler var. punctata (Chapman) C. Mohr | SCINP |
| holy basil | Ocimum tenuiflorum L. | OCTE2 |
| honeyweed | Leonurus sibiricus L. | LESI |
| honohono | Haplostachys haplostachya (Gray) St. John | HAHA4 |
| horehound | Ballota L. | BALLO |
| horehound | Marrubium incanum Desr. [excluded] | MAIN19 |
| horehound | Marrubium L. | MARRU |
| horehound | Marrubium vulgare L. | MAVU |
| horsebalm | Collinsonia L. | COLLI2 |
| hummingbird sage | Salvia spathacea Greene | SASP3 |
| Hyptis alata | Hyptis alata (Raf.) Shinners var. stenophylla Shinners | HYALS |
| Hyptis alata | Hyptis radiata Willd. | HYRA5 |
| Hyptis americana | Hyptis scoparia Poit. | HYSC4 |
| Hyptis mutabilis | Hyptis mutabilis (A. Rich.) Briq. var. spicata (Poit.) Briq. | HYMUS |
| Hyptis spicigera | Hyptis americana (Aubl.) Urban | HYAM7 |
| hyssop | Hyssopus officinalis L. | HYOF |
| hyssopleaf hedgenettle | Stachys aspera Michx. | STAS |
| hyssopleaf hedgenettle | Stachys hyssopifolia Michx. | STHY3 |
| hyssopus | Hyssopus L. | HYSSO |
| introduced sage | Salvia pratensis L. | SAPR2 |
| ironwort | Sideritis L. | SIDER |
| island bushmint | Hyptis lantanifolia Poit. | HYLA6 |
| island pitchersage | Lepechinia fragrans (Greene) Epling | LEFR |
| Italian hedgenettle | Stachys ocymastrum (L.) Briq. | STOC6 |
| Jerusalem sage | Phlomis L. | PHLOM |
| Jerusalem salvia | Salvia hierosolymitana Boiss. | SAHI11 |
| jeweled stenogyne | Stenogyne oxygona O. Deg. & Sherff | STOX |
| John Charles | Hyptis verticillata Jacq. | HYVE4 |
| Kaala phyllostegia | Phyllostegia kaalaensis St. John | PHKA6 |
| Kaala stenogyne | Stenogyne kaalae Wawra | STKA |
| Kaala stenogyne | Stenogyne kaalae Wawra ssp. kaalae | STKAK |
| Kaanapali stenogyne | Stenogyne viridis Hbd. | STVI7 |
| kaffir potato | Plectranthus esculentus N. E. Br. | PLES2 |
| Kahili phyllostegia | Phyllostegia kahiliensis St. John | PHKA8 |
| Kalalau Valley stenogyne | Stenogyne campanulata Weller & Sakai | STCA12 |
| kapana | Phyllostegia grandiflora (Gaud.) Benth. | PHGR5 |
| Kauai phyllostegia | Phyllostegia waimeae Wawra | PHWA |
| Keal's stenogyne | Stenogyne kealiae Wawra | STKE |
| kiponapona | Phyllostegia racemosa Benth. | PHRA6 |
| kitchen sage | Salvia officinalis L. | SAOF2 |
| Kohala Mountain stenogyne | Stenogyne cranwelliae Sherff | STCR4 |
| Kula stenogyne | Stenogyne cinerea Hbd. | STCI3 |
| lacy germander | Teucrium laciniatum Torr. | TELA |
| Lake Wales balm | Dicerandra christmanii R.B. Huck & Judd | DICH4 |
| lallemantia | Lallemantia Fisch. & C.A. Mey. | LALLE |
| Lallemantia peltata | Dracocephalum peltatum L. | DRPE4 |
| lamiastrum | Lamiastrum Heister ex Fabr. | LAMIA |
| Lamiastrum galeobdolon | Lamium galeobdolon (L.) L. | LAGA4 |
| Lamium amplexicaule | Lamium amplexicaule L. var. album A.L. & M.C. Pickens | LAAMA |
| Lamium purpureum var. incisum | Lamium dissectum With. | LADI9 |
| Lamium purpureum var. incisum | Lamium hybridum auct. non Vill. [misapplied] | LAHY2 |
| Lanai islandmint | Haplostachys munroi Forbes | HAMU2 |
| Lanai phyllostegia | Phyllostegia haliakalae Wawra | PHHA15 |
| lance selfheal | Prunella vulgaris L. ssp. lanceolata (W. Bart.) Hult | PRVUL2 |
| lanceleaf sage | Salvia reflexa Hornem. | SARE3 |
| largeflower false rosemary | Conradina grandiflora Small | COGR8 |
| largeflower sage | Salvia vinacea Woot. & Standl. | SAVI3 |
| largeflower skullcap | Scutellaria montana Chapman | SCMO6 |
| largeleaf phyllostegia | Phyllostegia macrophylla (Gaud.) Benth. | PHMA11 |
| Laupahoehoe phyllostegia | Phyllostegia warshaueri St. John | PHWA3 |
| lavandin | Lavandula ?intermedia Emeric ex Lois. | LAIN12 |
| Lavandula angustifolia | Lavandula officinalis Chaix | LAOF3 |
| Lavandula angustifolia | Lavandula spica L. | LASP6 |
| Lavandula angustifolia | Lavandula vera DC. | LAVE5 |
| lavender | Lavandula L. | LAVAN |
| lavender sage | Salvia greatae Brandeg. | SAGR3 |
| leafy rosemary-mint | Poliomintha glabrescens Gray | POGL4 |
| least basil | Ocimum campechianum P. Mill. | OCCA5 |
| Ledingham's false dragonhead | Physostegia ledinghamii (Boivin) Cantino | PHLE13 |
| Lemmon's sage | Salvia lemmonii Gray | SALE5 |
| lemon beebalm | Monarda citriodora Cerv. ex Lag. | MOCI |
| lemon beebalm | Monarda citriodora Cerv. ex Lag. ssp. austromontana (Epling) Scora | MOCIA |
| lemon beebalm | Monarda citriodora Cerv. ex Lag. ssp. citriodora | MOCIC |
| lemon beebalm | Monarda citriodora Cerv. ex Lag. ssp. citriodora var. citriodora | MOCIC2 |
| lemon beebalm | Monarda citriodora Cerv. ex Lag. ssp. citriodora var. parva Scora | MOCIP2 |
| lemon thyme | Thymus pulegioides L. | THPU5 |
| Leonard's skullcap | Scutellaria parvula Michx. var. missouriensis (Torr.) Goodman & Lawson | SCPAM |
| Leonurus sibiricus | Leonurus artemisia auct. non Lour. [misapplied] | LEAR7 |
| lesser calamint | Calamintha nepeta (L.) Savi | CANE17 |
| lesser calamint | Calamintha nepeta (L.) Savi ssp. ?nepeta | CANEN |
| lesser calamint | Calamintha nepeta (L.) Savi ssp. glandulosa (Riquien) P.W. Ball | CANEG |
| leucas | Leucas R. Br. | LEUCA3 |
| lilac sage | Salvia verticillata L. | SAVE5 |
| limestone calamint | Clinopodium arkansanum (Nutt.) House | CLAR5 |
| lindenleaf sage | Salvia tiliifolia Vahl | SATI |
| Lindheimer's beebalm | Monarda lindheimeri Engelm. & Gray ex Gray | MOLI2 |
| lion's ear | Leonotis (Pers.) Ait. f. | LEONO |
| lion's ear | Leonotis leonurus (L.) R. Br. ex Ait. f. | LELE3 |
| lion's heart | Lallemantia peltata (L.) Fisch. & C.A. Mey. | LAPE3 |
| lion's tail | Chaiturus marrubiastrum (L.) Reichenb. | CHMA18 |
| lion's tail | Chaiturus Willd. | CHAIT |
| lionsheart | Physostegia Benth. | PHYSO2 |
| little spurflower | Plectranthus parviflorus Willd. | PLPA3 |
| littleleaf skullcap | Scutellaria microphylla Moc. & Sess? ex Benth. | SCMI6 |
| littleleaf stenogyne | Stenogyne microphylla Benth. | STMI3 |
| littlewoman | Salvia serotina L. | SASE8 |
| longsepal false dragonhead | Physostegia longisepala Cantino | PHLO11 |
| longspike hedgenettle | Stachys longispicata Boiss. | STLO6 |
| longspur balm | Dicerandra cornutissima R.B. Huck | DICO5 |
| Loomis's mountainmint | Pycnanthemum loomisii Nutt. | PYLO |
| Lycopus americanus | Lycopus americanus Muhl. ex W. Bart. var. longii Benner | LYAML |
| Lycopus americanus | Lycopus americanus Muhl. ex W. Bart. var. scabrifolius Fern. | LYAMS |
| Lycopus americanus | Lycopus sinuatus Ell. | LYSI3 |
| Lycopus amplectens | Lycopus amplectens Raf. var. pubens (Britt.) Fern. | LYAMP |
| Lycopus amplectens | Lycopus pubens Britt. | LYPU3 |
| Lycopus amplectens | Lycopus sessilifolius Gray | LYSE4 |
| Lycopus asper | Lycopus lucidus auct. p.p., non Turcz. ex Benth. | LYLU2 |
| Lycopus asper | Lycopus lucidus Turcz. ex Benth. ssp. americanus (Gray) Hult | LYLUA |
| Lycopus asper | Lycopus lucidus Turcz. ex Benth. var. americanus Gray | LYLUA2 |
| Lycopus europaeus | Lycopus europaeus L. ssp. mollis (Kern.) Rothm. ex Skalick? | LYEUM |
| Lycopus europaeus | Lycopus europaeus L. var. mollis (Kern.) Briq. | LYEUM2 |
| Lycopus rubellus | Lycopus angustifolius Ell. | LYAN3 |
| Lycopus rubellus | Lycopus rubellus Moench var. angustifolius (Ell.) Ahles | LYRUA |
| Lycopus rubellus | Lycopus rubellus Moench var. arkansanus (Fresen.) Benner | LYRUA2 |
| Lycopus rubellus | Lycopus rubellus Moench var. lanceolatus Benner | LYRUL |
| Lycopus rubellus | Lycopus velutinus Rydb. | LYVE4 |
| Lycopus uniflorus var. uniflorus | Lycopus virginicus L. var. pauciflorus Benth. | LYVIP |
| lyreleaf sage | Salvia lyrata L. | SALY2 |
| ma'ohi'ohi | Stenogyne rugosa Benth. | STRU2 |
| Macbridea caroliniana | Macbridea pulchra Ell. | MAPU9 |
| macridea | Macbridea Ell. ex Nutt. | MACBR |
| Mann's phyllostegia | Phyllostegia mannii Sherff | PHMA12 |
| Marrubium incanum | Marrubium candidissimum auct. non L. [excluded] | MACA30 |
| marsh hedgenettle | Stachys palustris L. | STPA |
| marsh skullcap | Scutellaria galericulata L. | SCGA |
| marsypianthes | Marsypianthes Mart. ex Benth. | MARSY |
| marubio | Hyptis spicigera Lam. | HYSP4 |
| marubio oscuro | Hyptis atrorubens Poit. | HYAT2 |
| Maui islandmint | Haplostachys truncata (Gray) Hbd. | HATR2 |
| Maui phyllostegia | Phyllostegia stachyoides Gray | PHST9 |
| Maui stenogyne | Stenogyne calycosa Sherff | STCA10 |
| Mauna Kea phyllostegia | Phyllostegia brevidens Gray | PHBR7 |
| McKittrick's false pennyroyal | Hedeoma apiculata W.S. Stewart | HEAP |
| mealycup sage | Salvia farinacea Benth. | SAFA2 |
| Mediterranean sage | Salvia aethiopis L. | SAAE |
| Meehan's mint | Meehania cordata (Nutt.) Britt. | MECO |
| meehania | Meehania Britt. | MEEHA |
| Mentha ??verticillata | Mentha ?verticillata L. var. peduncularis (Boreau) Rouy (pro nm.) | MEVEP |
| Mentha ??verticillata | Mentha sativa L. | MESA6 |
| Mentha ?gracilis | Mentha ?gentilis L. var. cardiaca (Gerarde ex Baker) Boivin (pro nm.) | MEGEC |
| Mentha ?gracilis | Mentha ?muelleriana auct. non F.W. Schultz [misapplied] | MEMU6 |
| Mentha ?gracilis | Mentha cardiaca (S.F. Gray) Gerarde ex Baker | MECA4 |
| Mentha ?gracilis | Mentha gentilis auct. non L. [misapplied] | MEGE6 |
| Mentha ?piperita | Mentha aquatica L. var. crispa (L.) Benth. | MEAQC |
| Mentha ?piperita | Mentha crispa L. | MECR6 |
| Mentha ?piperita | Mentha dumetorum Schultes | MEDU |
| Mentha ?villosa | Mentha ?villosa Huds. (pro sp.) var. alopecuroides (Hull) Briq. (pro nm.) | MEVIA |
| Mentha ?villosa | Mentha alopecuroides Hull | MEAL4 |
| Mentha ?villosa | Mentha nemorosa Willd. | MENE2 |
| Mentha aquatica | Mentha ?piperi L. var. citrata (Ehrh.) Boivin (pro nm.) | MEPIC |
| Mentha aquatica | Mentha citrata Ehrh. | MECI2 |
| Mentha aquatica | Mentha piperita L. ssp. citrata (Ehrh.) Briq. | MEPIC2 |
| Mentha arvensis | Mentha arvensis L. ssp. borealis (Michx.) Taylor & MacBryde | MEARB |
| Mentha arvensis | Mentha arvensis L. ssp. haplocalyx Briq. | MEARH |
| Mentha arvensis | Mentha arvensis L. var. canadensis (L.) Kuntze | MEARC |
| Mentha arvensis | Mentha arvensis L. var. glabrata (Benth.) Fern. | MEARG |
| Mentha arvensis | Mentha arvensis L. var. lanata Piper | MEARL2 |
| Mentha arvensis | Mentha arvensis L. var. sativa auct. non Benth. [misapplied] | MEARS3 |
| Mentha arvensis | Mentha arvensis L. var. villosa (Benth.) S.R. Stewart | MEARV |
| Mentha arvensis | Mentha canadensis L. | MECA7 |
| Mentha arvensis | Mentha gentilis L. | MEGE2 |
| Mentha arvensis | Mentha glabrior (Hook.) Rydb. | MEGL |
| Mentha arvensis | Mentha penardii (Briq.) Rydb. | MEPE8 |
| Mentha spicata | Mentha cordifolia auct. | MECO7 |
| Mentha spicata | Mentha longifolia (L.) Huds. var. mollissima (Borkh.) Rouy | MELOM2 |
| Mentha spicata | Mentha longifolia (L.) Huds. var. undulata (Willd.) Fiori | MELOU2 |
| Mentha spicata | Mentha longifolia auct. non (L.) Huds. [misapplied] | MELO8 |
| Mentha spicata | Mentha spicata L. var. longifolia L. | MESPL |
| Mentha spicata | Mentha spicata L. var. spicata L. [superfluous autonym] | MESPS3 |
| Mentha spicata | Mentha sylvestris L. | MESY |
| Mentha spicata | Mentha viridis L. | MEVI7 |
| Mentha suaveolens | Mentha rotundifolia auct. non (L.) Huds. [misapplied] | MERO |
| Merced monardella | Monardella leucocephala Gray | MOLE |
| mesamint | Pogogyne Benth. | POGOG |
| Mexican bladdersage | Salazaria mexicana Torr. | SAME |
| Mexican bush sage | Salvia leucantha Cav. | SALE9 |
| Mexican hedgenettle | Stachys mexicana Benth. | STME |
| Mexican mint | Plectranthus amboinicus (Lour.) Spreng. | PLAM2 |
| Mexican sage | Salvia longistyla Benth. | SALO6 |
| Mexican skullcap | Scutellaria potosina Brandeg. | SCPO5 |
| Mexican skullcap | Scutellaria potosina Brandeg. ssp. platyphylla Epling | SCPOP2 |
| Mexican skullcap | Scutellaria potosina Brandeg. ssp. platyphylla Epling var. platyphylla (Epling) B.L. Turner | SCPOP4 |
| Mexican skullcap | Scutellaria potosina Brandeg. ssp. potosina | SCPOP3 |
| Mexican skullcap | Scutellaria potosina Brandeg. ssp. potosina var. davisiana B.L. Turner | SCPOD |
| Mexican skullcap | Scutellaria potosina Brandeg. ssp. potosina var. grahamiana B.L. Turner | SCPOG2 |
| Mexican skullcap | Scutellaria potosina Brandeg. ssp. potosina var. tessellata (Epling) B.L. Turner | SCPOT |
| miniature beefsteakplant | Mosla dianthera (Buch.-Ham. ex Roxb.) Maxim. | MODI4 |
| mint | Mentha L. | MENTH |
| mint | Mentha requienii Benth. | MERE7 |
| mintleaf bergamot | Monarda fistulosa L. ssp. fistulosa var. menthifolia (Graham) Fern. | MOFIM2 |
| mock pennyroyal | Stachydeoma graveolens (Chapman ex Gray) Small | STGR6 |
| mock pennyroyal | Stachydeoma Small | STACH3 |
| mohihi | Stenogyne scrophularioides Benth. | STSC4 |
| Mojave sage | Salvia mohavensis Greene | SAMO3 |
| Moldavian dragonhead | Dracocephalum moldavica L. | DRMO |
| Molokai islandmint | Haplostachys bryanii Sherff | HABR2 |
| Molokai phyllostegia | Phyllostegia hirsuta Benth. | PHHI5 |
| moluccella | Moluccella L. | MOLUC |
| Monarda bradburiana | Monarda fistulosa Sims | MOFI2 |
| Monarda bradburiana | Monarda rigida Raf. | MORI2 |
| Monarda bradburiana | Monarda villosa Martens | MOVI4 |
| Monarda citriodora ssp. austromontana | Monarda austromontana Epling | MOAU2 |
| Monarda citriodora ssp. austromontana | Monarda citriodora Cerv. ex Lag. var. austromontana (Epling) B.L. Turner | MOCIA3 |
| Monarda citriodora ssp. citriodora var. citriodora | Monarda aristata Nutt. | MOAR4 |
| Monarda citriodora ssp. citriodora var. citriodora | Monarda dispersa Small | MODI7 |
| Monarda citriodora ssp. citriodora var. citriodora | Monarda tenuiaristata (Gray) Small | MOTE2 |
| Monarda clinopodia | Monarda allophylla Michx. | MOAL2 |
| Monarda clinopodia | Monarda fistulosa L. var. clinopodia (L.) Cooperrider | MOFIC |
| Monarda fistulosa ssp. brevis | Monarda fistulosa L. var. brevis Fosberg & Artz | MOFIB |
| Monarda fistulosa ssp. fistulosa var. menthifolia | Monarda menthifolia Graham | MOME3 |
| Monarda fistulosa ssp. fistulosa var. mollis | Monarda mollis L. | MOMO2 |
| Monarda fistulosa ssp. fistulosa var. mollis | Monarda scabra Beck | MOSC3 |
| Monarda fistulosa ssp. fistulosa var. stipitatoglandulosa | Monarda stipitatoglandulosa Waterfall | MOST2 |
| Monarda fruticulosa | Monarda punctata L. var. fruticulosa (Epling) Scora | MOPUF |
| Monarda maritima | Monarda punctata L. var. maritima Cory | MOPUM |
| Monarda punctata ssp. immaculata | Monarda punctata L. var. immaculata (Pennell) Scora | MOPUI |
| Monarda punctata ssp. punctata var. arkansana | Monarda punctata L. ssp. arkansana McClintock & Epling | MOPUA2 |
| Monarda punctata ssp. punctata var. coryi | Monarda punctata L. ssp. coryi McClintock & Epling | MOPUC2 |
| Monarda punctata ssp. punctata var. intermedia | Monarda punctata L. ssp. intermedia McClintock & Epling | MOPUI4 |
| Monarda punctata ssp. punctata var. lasiodonta | Monarda lasiodonta (Gray) Small | MOLA8 |
| Monarda punctata ssp. punctata var. occidentalis | Monarda punctata L. ssp. occidentalis Epling | MOPUO2 |
| Monarda punctata ssp. punctata var. punctata | Monarda punctata L. var. leucantha Nash | MOPUL2 |
| Monarda punctata ssp. punctata var. villicaulis | Monarda punctata L. ssp. villicaulis Pennell | MOPUV3 |
| Monarda russeliana | Monarda virgata Raf. | MOVI |
| Monarda stanfieldii | Monarda punctata L. var. stanfieldii (Small) Cory | MOPUS2 |
| monardella | Monardella Benth. | MONAR2 |
| Monardella antonina ssp. benitensis | Monardella benitensis Hardam | MOBE4 |
| Monardella australis | Monardella odoratissima Benth. ssp. australis (Abrams) Epling | MOODA |
| Monardella douglasii ssp. venosa | Monardella douglasii Benth. var. venosa (Torr.) Jepson | MODOV |
| Monardella follettii | Monardella odoratissima Benth. var. follettii Jepson | MOODF |
| Monardella frutescens | Monardella undulata Benth. var. frutescens Hoover | MOUNF |
| Monardella glauca | Monardella odoratissima Benth. ssp. glauca (Greene) Epling | MOODG2 |
| Monardella glauca | Monardella odoratissima Benth. ssp. parvifolia (Greene) Epling | MOODP2 |
| Monardella glauca | Monardella odoratissima Benth. var. glauca (Greene) St. John | MOODG3 |
| Monardella glauca | Monardella odoratissima Benth. var. parvifolia (Greene) Jepson | MOODP4 |
| Monardella hypoleuca ssp. lanata | Monardella lanata Abrams | MOLA9 |
| Monardella macrantha ssp. hallii | Monardella macrantha Gray var. hallii Abrams | MOMAH2 |
| Monardella nana ssp. arida | Monardella macrantha Gray var. arida Hall | MOMAA |
| Monardella nana ssp. nana | Monardella macrantha Gray ssp. nana (Gray) Epling | MOMAN |
| Monardella nana ssp. tenuiflora | Monardella macrantha Gray var. tenuiflora S. Wats. ex Gray | MOMAT |
| Monardella odoratissima ssp. discolor | Monardella discolor Greene | MODI9 |
| Monardella odoratissima ssp. discolor | Monardella odoratissima Benth. var. discolor (Greene) St. John | MOODD2 |
| Monardella odoratissima ssp. odoratissima | Monardella odoratissima Benth. ssp. euodoratissima Epling | MOODE |
| Monardella odoratissima ssp. odoratissima | Monardella odoratissima Benth. var. neglecta Cronq. | MOODN |
| Monardella odoratissima ssp. pallida | Monardella odoratissima Benth. ssp. pinetorum (Heller) Epling | MOODP3 |
| Monardella odoratissima ssp. pallida | Monardella odoratissima Benth. var. ovata (Greene) Jepson p.p. | MOODO2 |
| Monardella purpurea | Monardella neglecta Greene | MONE |
| Monardella purpurea | Monardella villosa Benth. ssp. neglecta (Greene) Epling | MOVIN |
| Monardella sheltonii | Monardella villosa Benth. ssp. sheltonii (Torr.) Epling | MOVIS2 |
| Monardella villosa ssp. franciscana | Monardella villosa Benth. var. franciscana (Elmer) Jepson | MOVIF4 |
| Monardella villosa ssp. obispoensis | Monardella villosa Benth. var. obispoensis Hoover | MOVIO |
| Monardella villosa ssp. villosa | Monardella subglabra (Hoover) Hardham | MOSU |
| Monardella villosa ssp. villosa | Monardella villosa Benth. ssp. subserrata (Greene) Epling | MOVIS3 |
| Monardella villosa ssp. villosa | Monardella villosa Benth. var. subglabra Hoover | MOVIS |
| Monardella viridis ssp. saxicola | Monardella saxicola I.M. Johnston | MOSA4 |
| monkeyflower savory | Clinopodium mimuloides (Benth.) Kuntze | CLMI9 |
| mosla | Mosla (Benth.) Buch.-Ham. ex Maxim. | MOSLA |
| Mosla dianthera | Lycopus diantherus Buch.-Ham. ex Roxb. | LYDI6 |
| Mosla dianthera | Orthodon dianthera (Buch.-Ham. ex Roxb.) Hand.-Maz. | ORDI4 |
| mosquito plant | Agastache cana (Hook.) Woot. & Standl. | AGCA |
| mother of thyme | Thymus praecox Opiz | THPR |
| motherwort | Leonurus L. | LEONU |
| mountain ironwort | Sideritis montana L. | SIMO3 |
| mountain monardella | Monardella odoratissima Benth. | MOOD |
| mountain monardella | Monardella odoratissima Benth. ssp. discolor (Greene) Epling | MOODD |
| mountain monardella | Monardella odoratissima Benth. ssp. odoratissima | MOODO |
| mountain monardella | Monardella odoratissima Benth. ssp. pallida (Heller) Epling | MOODP |
| mountain phyllostegia | Phyllostegia ambigua (Gray) Hbd. | PHAM9 |
| mountain sage | Salvia regla Cav. | SARE4 |
| mountainmint | Pycnanthemum Michx. | PYCNA |
| mousesear | Stachys crenata Raf. | STCR7 |
| Mt. Kahili phyllostegia | Phyllostegia helleri Sherff | PHHE10 |
| Munz's sage | Salvia munzii Epling | SAMU |
| mustang monardella | Monardella lanceolata Gray | MOLA2 |
| mustang monardella | Monardella lanceolata Gray var. glandulifera I.M. Johnston | MOLAG |
| mustang monardella | Monardella lanceolata Gray var. lanceolata | MOLAL |
| mustang monardella | Monardella lanceolata Gray var. microcephala Gray | MOLAM |
| narrowleaf bluecurls | Trichostema setaceum Houtt. | TRSE5 |
| narrowleaf false dragonhead | Physostegia angustifolia Fern. | PHAN6 |
| narrowleaf hempnettle | Galeopsis angustifolia Ehrh. ex Hoffmann | GAAN5 |
| narrowleaf mountainmint | Pycnanthemum tenuifolium Schrad. | PYTE |
| narrowleaf skullcap | Scutellaria angustifolia Pursh | SCAN3 |
| narrowleaf skullcap | Scutellaria angustifolia Pursh ssp. angustifolia | SCANA2 |
| narrowleaf skullcap | Scutellaria angustifolia Pursh ssp. micrantha Olmstead | SCANM |
| narrowleaf stenogyne | Stenogyne angustifolia Gray | STAN3 |
| nehe kuhiwa | Phyllostegia electra Forbes | PHEL2 |
| Nepeta racemosa | Nepeta mussinii Henckel | NEMU3 |
| nettleleaf giant hyssop | Agastache urticifolia (Benth.) Kuntze | AGUR |
| nettleleaf giant hyssop | Agastache urticifolia (Benth.) Kuntze var. glaucifolia (Heller) Cronq. | AGURG |
| nettleleaf giant hyssop | Agastache urticifolia (Benth.) Kuntze var. urticifolia | AGURU |
| nettleleaf sage | Salvia urticifolia L. | SAUR |
| nodding sage | Salvia nutans L. | SANU5 |
| northern bugleweed | Lycopus uniflorus Michx. | LYUN |
| northern bugleweed | Lycopus uniflorus Michx. var. uniflorus | LYUNU2 |
| nose skullcap | Scutellaria antirrhinoides Benth. | SCAN4 |
| Oahu phyllostegia | Phyllostegia lantanoides Sherff | PHLA9 |
| Oahu stenogyne | Stenogyne kanehoana O. Deg. & Sherff | STKA3 |
| obedient plant | Physostegia virginiana (L.) Benth. | PHVI8 |
| obedient plant | Physostegia virginiana (L.) Benth. ssp. praemorsa (Shinners) Cantino | PHVIP2 |
| obedient plant | Physostegia virginiana (L.) Benth. ssp. virginiana | PHVIV |
| oblong bluecurls | Trichostema oblongum Benth. | TROB |
| oblongleaf false pennyroyal | Hedeoma oblongifolia (Gray) Heller | HEOB |
| Ocimum basilicum | Ocimum americanum L. | OCAM2 |
| Ocimum campechianum | Ocimum micranthum Willd. | OCMI2 |
| Ocimum canum | Ocimum americanum auct. | OCAM3 |
| Ocimum gratissimum | Ocimum viride Willd. | OCVI |
| Ocimum tenuiflorum | Ocimum sanctum L. | OCSA |
| Ocmulgee skullcap | Scutellaria ocmulgee Small | SCOC2 |
| old blue false pennyroyal | Hedeoma pilosa Irving | HEPI4 |
| onehair mountainmint | Pycnanthemum monotrichum Fern. | PYMO |
| oregano | Origanum vulgare L. | ORVU |
| Oriental germander | Teucrium orientale L. | TEOR |
| origanum | Origanum L. | ORIGA |
| Origanum majorana | Majorana hortensis Moench | MAHO3 |
| Origanum majorana | Majorana majorana (L.) Karst. | MAMA24 |
| Origanum onites | Majorana onites (L.) Benth. | MAON |
| Origanum vulgare ssp. gracile | Origanum tyttanthum Gontsch. | ORTY2 |
| ortela | Marsypianthes chamaedrys (Vahl) Kuntze | MACH3 |
| orthosiphon | Orthosiphon Benth. | ORTHO7 |
| Otay mesamint | Pogogyne nudiuscula Gray | PONU |
| Ozark calamint | Clinopodium glabellum (Michx.) Kuntze | CLGL4 |
| pagoda-plant | Blephilia Raf. | BLEPH5 |
| pakaha | Lepechinia hastata (Gray) Epling | LEHA |
| pale giant hyssop | Agastache pallida (Lindl.) Cory | AGPA11 |
| pale monardella | Monardella glauca Greene | MOGL |
| pale sage | Salvia pallida Benth. | SAPA38 |
| Palmer's monardella | Monardella palmeri Gray | MOPA |
| Parish's bluecurls | Trichostema parishii Vasey | TRPA3 |
| Parry's sage | Salvia parryi Gray | SAPA6 |
| patchouli | Pogostemon cablin (Blanco) Benth. | POCA42 |
| pennyroyal | Mentha pulegium L. | MEPU |
| peppermint | Mentha ?piperita L. (pro sp.) [aquatica ? spicata] | MEPI |
| perilla | Perilla L. | PERIL |
| Perilla frutescens | Perilla arguta Benth. | PEAR12 |
| Perilla frutescens | Perilla ocymoides L. | PEOC7 |
| perovskia | Perovskia Kar. | PEROV |
| phyllostegia | Phyllostegia Benth. | PHYLL5 |
| Phyllostegia ambigua | Phyllostegia alba St. John | PHAL19 |
| Phyllostegia ambigua | Phyllostegia brevidens Gray var. ambigua Gray | PHBRA |
| Phyllostegia ambigua | Phyllostegia brevidens Gray var. degeneri Sherff | PHBRD |
| Phyllostegia ambigua | Phyllostegia brevidens Gray var. expansa Sherff | PHBRE |
| Phyllostegia ambigua | Phyllostegia brevidens Gray var. heterodoxa Sherff | PHBRH |
| Phyllostegia ambigua | Phyllostegia brevidens Gray var. hirsutula (Hbd.) Sherff | PHBRH2 |
| Phyllostegia ambigua | Phyllostegia brevidens Gray var. pauciflora Sherff | PHBRP |
| Phyllostegia ambigua | Phyllostegia brevidens Gray var. pubescens Sherff | PHBRP2 |
| Phyllostegia ambigua | Phyllostegia chartacea St. John | PHCH8 |
| Phyllostegia ambigua | Phyllostegia degeneri Sherff | PHDE12 |
| Phyllostegia ambigua | Phyllostegia elliptica St. John | PHEL7 |
| Phyllostegia ambigua | Phyllostegia haiti St. John | PHHA14 |
| Phyllostegia ambigua | Phyllostegia konaensis St. John | PHKO2 |
| Phyllostegia ambigua | Phyllostegia longimontis St. John | PHLO6 |
| Phyllostegia brevidens | Phyllostegia polyantha St. John | PHPO13 |
| Phyllostegia electra | Phyllostegia adenophora St. John | PHAD8 |
| Phyllostegia electra | Phyllostegia mollis Benth. var. fagerlindii Sherff | PHMOF |
| Phyllostegia electra | Phyllostegia mollis Benth. var. hochreutineri Sherff | PHMOH |
| Phyllostegia electra | Phyllostegia mollis Benth. var. resinosa Fosberg | PHMOR |
| Phyllostegia electra | Phyllostegia mollis Benth. var. skottsbergii Sherff | PHMOS |
| Phyllostegia floribunda | Phyllostegia floribunda Benth. var. forbesii Sherff | PHFLF |
| Phyllostegia floribunda | Phyllostegia forbesii (Sherff) St. John | PHFO3 |
| Phyllostegia floribunda | Phyllostegia villosa St. John | PHVI11 |
| Phyllostegia glabra var. glabra | Phyllostegia glabra (Gaud.) Benth. var. macraei (Benth.) Sherff | PHGLM |
| Phyllostegia glabra var. lanaiensis | Phyllostegia lanaiensis (Sherff) St. John | PHLA31 |
| Phyllostegia haliakalae | Phyllostegia helleri Sherff var. imminuta Sherff | PHHEI |
| Phyllostegia haliakalae | Phyllostegia imminuta (Sherff) St. John | PHIM2 |
| Phyllostegia haliakalae | Phyllostegia mollis Benth. var. micrantha Sherff | PHMOM |
| Phyllostegia hirsuta | Phyllostegia hirsuta Benth. var. laxior O. Deg. & Sherff | PHHIL |
| Phyllostegia macrophylla | Phyllostegia macrophylla (Gaud.) Benth. var. phytolaccoides Sherff | PHMAP2 |
| Phyllostegia macrophylla | Phyllostegia macrophylla (Gaud.) Benth. var. remyi Sherff | PHMAR |
| Phyllostegia mannii | Phyllostegia racemosa Benth. var. bryanii Sherff | PHRAB |
| Phyllostegia mollis | Phyllostegia parviflora (Gaud.) Benth. var. honolulensis (Wawra) Sherff | PHPAH |
| Phyllostegia parviflora var. lydgatei | Phyllostegia mollis Benth. var. lydgatei Sherff | PHMOL |
| Phyllostegia parviflora var. parviflora | Phyllostegia parviflora (Gaud.) Benth. var. canescens Sherff | PHPAC |
| Phyllostegia parviflora var. parviflora | Phyllostegia parviflora (Gaud.) Benth. var. major Sherff | PHPAM |
| Phyllostegia stachyoides | Phyllostegia ledyardii St. John | PHLE8 |
| Phyllostegia stachyoides | Phyllostegia mollis Benth. var. glabrescens O. Deg. & Sherff | PHMOG |
| Phyllostegia stachyoides | Phyllostegia stachyoides Gray var. hitchcockii Sherff | PHSTH |
| Phyllostegia velutina | Phyllostegia macrophylla (Gaud.) Benth. var. velutina Sherff | PHMAV |
| Phyllostegia warshaueri | Phyllostegia brevidens Gray var. longipes (Hbd.) Sherff | PHBRL |
| Physostegia angustifolia | Physostegia edwardsiana Shinners | PHED2 |
| Physostegia correllii | Dracocephalum correllii Lundell | DRCO5 |
| Physostegia intermedia | Dracocephalum intermedium Nutt. | DRIN6 |
| Physostegia intermedia | Physostegia micrantha Lundell | PHMI10 |
| Physostegia ledinghamii | Physostegia virginiana (L.) Benth. var. ledinghamii Boivin | PHVIL |
| Physostegia leptophylla | Dracocephalum leptophyllum (Small) Small | DRLE7 |
| Physostegia leptophylla | Dracocephalum veroniciforme (Small) Small | DRVE5 |
| Physostegia leptophylla | Physostegia aboriginorum Fern. | PHAB2 |
| Physostegia leptophylla | Physostegia denticulata sensu Fern., non (Ait.) Britt. | PHDE11 |
| Physostegia leptophylla | Physostegia veroniciformis Small | PHVE5 |
| Physostegia parviflora | Dracocephalum nuttallii Britt. | DRNU2 |
| Physostegia parviflora | Physostegia nuttallii (Britt.) Fassett | PHNU3 |
| Physostegia parviflora | Physostegia virginiana (L.) Benth. var. parviflora (Nutt. ex Gray) Boivin | PHVIP3 |
| Physostegia purpurea | Dracocephalum purpureum (Walt.) McClintock ex Gleason | DRPU3 |
| Physostegia purpurea | Physostegia denticulata sensu Small | PHDE8 |
| Physostegia purpurea | Physostegia obovata (Ell.) Godfrey ex Weatherby | PHOB3 |
| Physostegia virginiana ssp. praemorsa | Physostegia praemorsa Shinners | PHPR5 |
| Physostegia virginiana ssp. praemorsa | Physostegia serotina Shinners | PHSE7 |
| Physostegia virginiana ssp. praemorsa | Physostegia virginiana (L.) Benth. var. arenaria Shimek | PHVIA |
| Physostegia virginiana ssp. praemorsa | Physostegia virginiana (L.) Benth. var. reducta Boivin | PHVIR |
| Physostegia virginiana ssp. virginiana | Dracocephalum denticulatum Ait. | DRDE5 |
| Physostegia virginiana ssp. virginiana | Dracocephalum formosius (Lunell) Rydb. | DRFO |
| Physostegia virginiana ssp. virginiana | Dracocephalum virginianum L. | DRVI3 |
| Physostegia virginiana ssp. virginiana | Physostegia denticulata (Ait.) Britt. | PHDE6 |
| Physostegia virginiana ssp. virginiana | Physostegia formosior Lunell | PHFO4 |
| Physostegia virginiana ssp. virginiana | Physostegia speciosa (Sweet) Sweet | PHSP4 |
| Physostegia virginiana ssp. virginiana | Physostegia virginiana (L.) Benth. var. elongata Boivin | PHVIE2 |
| Physostegia virginiana ssp. virginiana | Physostegia virginiana (L.) Benth. var. formosior (Lunell) Boivin | PHVIF |
| Physostegia virginiana ssp. virginiana | Physostegia virginiana (L.) Benth. var. granulosa (Fassett) Fern. | PHVIG |
| Physostegia virginiana ssp. virginiana | Physostegia virginiana (L.) Benth. var. speciosa (Sweet) Gray | PHVIS2 |
| pignut | Hyptis suaveolens (L.) Poit. | HYSU3 |
| piloblephis | Piloblephis Raf. | PILOB |
| Piloblephis rigida | Pycnothymus rigidus (Bartr. ex Benth.) Small | PYRI |
| Piloblephis rigida | Satureja rigida Bartr. ex Benth. | SARI6 |
| pilose phyllostegia | Phyllostegia pilosa St. John | PHPI6 |
| pineapple sage | Salvia elegans Vahl | SAEL6 |
| pineland skullcap | Scutellaria altamaha Small | SCAL3 |
| pitcher sage | Salvia azurea Michx. ex Lam. var. grandiflora Benth. | SAAZG |
| pitchersage | Lepechinia Willd. | LEPEC |
| plectranthus | Plectranthus L'H?r. | PLECT2 |
| Plectranthus amboinicus | Coleus amboinicus Lour. | COAM5 |
| Plectranthus esculentus | Coleus esculentus (N. E. Br.) G. Taylor | COES2 |
| Plectranthus parviflorus | Plectranthus australis R. Br. | PLAU7 |
| Plectranthus verticillatus | Plectranthus nummularius Briq. | PLNU2 |
| Pogogyne serpylloides | Hedeoma serpylloides Torr. | HESE3 |
| pogostemon | Pogostemon Desf. | POGOS |
| Poliomintha glabrescens | Hedeoma glabrescens (Gray) Briq. | HEGL12 |
| Poliomintha incana | Hedeoma incana Torr. | HEIN11 |
| pony beebalm | Monarda pectinata Nutt. | MOPE |
| pot marjoram | Origanum onites L. | ORON2 |
| prairie brazosmint | Warnockia scutellarioides (Engelm. & Gray) M.W. Turner | WASC |
| Pringle's giant hyssop | Agastache pringlei (Briq.) Lint & Epling | AGPR3 |
| Pringle's giant hyssop | Agastache pringlei (Briq.) Lint & Epling var. verticillata (Woot. & Standl.) R.W. Sanders | AGPRV |
| Pringle's monardella | Monardella pringlei Gray | MOPR |
| profuseflower mesamint | Pogogyne floribunda Jokerst | POFL17 |
| Prunella vulgaris | Prunella caroliniana P. Mill. | PRCA13 |
| Prunella vulgaris | Prunella vulgaris L. var. vulgaris L. [superfluous autonym] | PRVUV2 |
| Prunella vulgaris ssp. aleutica | Prunella vulgaris L. var. aleutica Fern. | PRVUA2 |
| Prunella vulgaris ssp. lanceolata | Prunella vulgaris L. var. elongata Benth. | PRVUE |
| Prunella vulgaris ssp. lanceolata | Prunella vulgaris L. var. lanceolata (W. Bart.) Fern. | PRVUL3 |
| Prunella vulgaris ssp. vulgaris | Prunella vulgaris L. var. atropurpurea Fern. | PRVUA3 |
| Prunella vulgaris ssp. vulgaris | Prunella vulgaris L. var. calvescens Fern. | PRVUC |
| Prunella vulgaris ssp. vulgaris | Prunella vulgaris L. var. hispida Benth. | PRVUH |
| Prunella vulgaris ssp. vulgaris | Prunella vulgaris L. var. minor Sm. | PRVUM |
| Prunella vulgaris ssp. vulgaris | Prunella vulgaris L. var. nana Clute | PRVUN |
| Prunella vulgaris ssp. vulgaris | Prunella vulgaris L. var. parviflora (Poir.) DC. | PRVUP |
| Prunella vulgaris ssp. vulgaris | Prunella vulgaris L. var. rouleauiana Victorin | PRVUR |
| pua'ainaka | Stenogyne rotundifolia Gray | STRO2 |
| purple bergamot | Monarda media Willd. | MOME |
| purple deadnettle | Lamium purpureum L. | LAPU2 |
| purple deadnettle | Lamium purpureum L. var. incisum (Willd.) Pers. | LAPUI |
| purple deadnettle | Lamium purpureum L. var. purpureum | LAPUP |
| purple giant hyssop | Agastache scrophulariifolia (Willd.) Kuntze | AGSC |
| purple sage | Salvia dorrii (Kellogg) Abrams | SADO4 |
| purple sage | Salvia dorrii (Kellogg) Abrams ssp. dorrii | SADOD2 |
| purple sage | Salvia dorrii (Kellogg) Abrams ssp. dorrii var. clokeyi Strachan | SADOC5 |
| purple sage | Salvia dorrii (Kellogg) Abrams ssp. dorrii var. dorrii | SADOD3 |
| purple sage | Salvia dorrii (Kellogg) Abrams ssp. dorrii var. incana (Benth.) Strachan | SADOI |
| purple sage | Salvia dorrii (Kellogg) Abrams ssp. dorrii var. pilosa (Gray) Strachan & Reveal | SADOP |
| purple sage | Salvia dorrii (Kellogg) Abrams ssp. mearnsii (Britt.) McClintock | SADOM |
| purplefruit stenogyne | Stenogyne purpurea Mann | STPU4 |
| Pycnanthemum albescens | Koellia albescens (Torr. & Gray) Kuntze | KOAL4 |
| Pycnanthemum albescens | Koellia pauciflora Small | KOPA2 |
| Pycnanthemum beadlei | Koellia beadlei Small | KOBE2 |
| Pycnanthemum clinopodioides | Koellia clinopodioides (Torr. & Gray) Kuntze | KOCL |
| Pycnanthemum curvipes | Koellia curvipes Greene | KOCU |
| Pycnanthemum curvipes | Koellia multiflora Small | KOMU |
| Pycnanthemum flexuosum | Koellia hugeri Small | KOHU |
| Pycnanthemum flexuosum | Koellia hyssopifolia (Benth.) Britt. | KOHY2 |
| Pycnanthemum flexuosum | Pycnanthemum hyssopifolium Benth. | PYHY |
| Pycnanthemum incanum var. incanum | Clinopodium incanum L. | CLIN7 |
| Pycnanthemum incanum var. incanum | Koellia dubia (Gray) Small | KODU |
| Pycnanthemum incanum var. incanum | Koellia incana (L.) Kuntze | KOIN |
| Pycnanthemum incanum var. puberulum | Pycnanthemum puberulum E. Grant & Epling | PYPU2 |
| Pycnanthemum loomisii | Pycnanthemum incanum (L.) Michx. var. loomisii (Nutt.) Fern. | PYINL |
| Pycnanthemum montanum | Koellia montana (Michx.) Kuntze | KOMO |
| Pycnanthemum muticum | Koellia mutica (Michx.) Kuntze | KOMU2 |
| Pycnanthemum nudum | Koellia nuda (Nutt.) Kuntze | KONU |
| Pycnanthemum pycnanthemoides var. pycnanthemoides | Koellia pycnanthemoides (Leavenworth) Kuntze | KOPY2 |
| Pycnanthemum pycnanthemoides var. viridifolium | Pycnanthemum tullium Benth. | PYTU |
| Pycnanthemum pycnanthemoides var. viridifolium | Pycnanthemum viridifolium (Fern.) E. Grant & Epling | PYVI2 |
| Pycnanthemum setosum | Koellia aristata (Michx.) Kuntze | KOAR |
| Pycnanthemum setosum | Pycnanthemum aristatum Michx. | PYAR |
| Pycnanthemum setosum | Pycnanthemum umbratile Fern. | PYUM |
| Pycnanthemum tenuifolium | Koellia flexuosa auct. non (Walt.) MacM. [misapplied] | KOFL |
| Pycnanthemum tenuifolium | Pycnanthemum flexuosum auct. non (Walt.) B.S.P. [misapplied] | PYFL4 |
| Pycnanthemum verticillatum var. pilosum | Koellia pilosa (Nutt.) Britt. | KOPI |
| Pycnanthemum verticillatum var. pilosum | Pycnanthemum pilosum Nutt. | PYPI |
| Pycnanthemum verticillatum var. verticillatum | Koellia leptodon (Gray) Small | KOLE |
| Pycnanthemum verticillatum var. verticillatum | Koellia verticillata (Michx.) Kuntze | KOVE3 |
| Pycnanthemum verticillatum var. verticillatum | Pycnanthemum leptodon Gray | PYLE |
| Pycnanthemum verticillatum var. verticillatum | Pycnanthemum torrei Benth. var. leptodon (Gray) Boomhour | PYTOL |
| Pycnanthemum verticillatum var. verticillatum | Pycnanthemum virginianum (L.) T. Dur. & B.D. Jackson ex B.L. Robins. & Fern. var. verticillatum (Michx.) Boivin | PYVIV |
| Pycnanthemum virginianum | Koellia virginiana (L.) MacM. | KOVI3 |
| raceme catnip | Nepeta racemosa Lam. | NERA2 |
| Radford's balm | Dicerandra radfordiana R.B. Huck | DIRA2 |
| rattlesnake flower | Brazoria truncata (Benth.) Engelm. & Gray | BRTR |
| rattlesnake flower | Brazoria truncata (Benth.) Engelm. & Gray var. truncata | BRTRT2 |
| red hempnettle | Galeopsis ladanum L. | GALA |
| red hempnettle | Galeopsis ladanum L. var. ladanum | GALAL |
| red hempnettle | Galeopsis ladanum L. var. latifolia (Hoffmann) Wallr. | GALAL2 |
| red monardella | Monardella macrantha Gray | MOMA |
| red monardella | Monardella macrantha Gray ssp. macrantha | MOMAM |
| red-leaf phyllostegia | Phyllostegia renovans W.L. Wagner | PHRE7 |
| redpurple beebalm | Monarda russeliana Nutt. ex Sims | MORU |
| Reverchon's false pennyroyal | Hedeoma reverchonii (Gray) Gray | HERE3 |
| Reverchon's false pennyroyal | Hedeoma reverchonii (Gray) Gray var. reverchonii | HERER |
| Reverchon's false pennyroyal | Hedeoma reverchonii (Gray) Gray var. serpyllifolia (Small) Irving | HERES |
| Rhododon angulatus | Hedeoma angulata Tharp | HEAN13 |
| Rhododon angulatus | Stachydeoma angulata Tharp | STAN11 |
| Rhododon ciliatus | Hedeoma ciliata Benth. | HECI6 |
| Rhododon ciliatus | Hedeoma texana Cory | HETE20 |
| ribbed false pennyroyal | Hedeoma costata Gray | HECO |
| ribbed false pennyroyal | Hedeoma costata Gray var. costata | HECOC4 |
| ribbed false pennyroyal | Hedeoma costata Gray var. pulchella (Greene) Irving | HECOP |
| richweed | Collinsonia canadensis L. | COCA4 |
| Rio Grande skullcap | Scutellaria muriculata Epling | SCMU2 |
| Robison's monardella | Monardella robisonii Epling ex Munz | MORO |
| robust coyote mint | Monardella villosa Benth. ssp. globosa (Greene) Jokerst | MOVIG |
| rock hedgenettle | Stachys bigelovii Gray | STBI |
| rock monardella | Monardella viridis Jepson ssp. saxicola (I.M. Johnston) Ewan | MOVIS4 |
| rock sage | Salvia pinguifolia (Fern.) Woot. & Standl. | SAPI2 |
| Rock's phyllostegia | Phyllostegia rockii Sherff | PHRO5 |
| rose balm | Dicerandra odoratissima Harper | DIOD |
| rose sage | Salvia eremostachya Jepson | SAER2 |
| rosemary | Rosmarinus L. | ROSMA |
| rosemary | Rosmarinus officinalis L. | ROOF |
| rosemary-mint | Poliomintha Gray | POLIO |
| Rosmarinus officinalis | Rosmarinus officinalis L. var. prostratus hort. | ROOFP2 |
| Rothrock's hedgenettle | Stachys rothrockii Gray | STRO |
| rough bugleweed | Lycopus asper Greene | LYAS |
| rough false pennyroyal | Hedeoma hispida Pursh | HEHI |
| rough hedgenettle | Stachys rigida Nutt. ex Benth. | STRI |
| rough hedgenettle | Stachys rigida Nutt. ex Benth. var. quercetorum (Heller) G. Mulligan & D. Munro | STRIQ2 |
| rough hedgenettle | Stachys rigida Nutt. ex Benth. var. rigida | STRIR3 |
| Russian sage | Perovskia atriplicifolia Benth. | PEAT10 |
| Sacramento mesamint | Pogogyne ziziphoroides Benth. | POZI |
| sage | Salvia L. | SALVI |
| sage | Salvia patens Cav. | SAPA33 |
| Salvia ?superba | Salvia virgata auct. non Jacq. [misapplied] | SAVI16 |
| Salvia ?sylvestris | Salvia nemorosa L. | SANE |
| Salvia azurea var. grandiflora | Salvia azurea Michx. ex Lam. ssp. intermedia Epling | SAAZI |
| Salvia azurea var. grandiflora | Salvia azurea Michx. ex Lam. ssp. pitcheri (Torr. ex Benth.) Epling | SAAZP |
| Salvia azurea var. grandiflora | Salvia pitcheri Torr. ex Benth. | SAPI3 |
| Salvia brandegeei | Salvia mellifera Greene ssp. revoluta (Brandeg.) Abrams | SAMER |
| Salvia dorrii ssp. dorrii var. dorrii | Salvia carnosa Dougl. ex Greene ssp. argentea (Rydb.) Epling | SACAA3 |
| Salvia dorrii ssp. dorrii var. dorrii | Salvia carnosa Dougl. ex Greene ssp. gilmanii Epling | SACAG7 |
| Salvia dorrii ssp. dorrii var. dorrii | Salvia carnosa Dougl. ex Greene var. argentea (Rydb.) McMinn | SACAA2 |
| Salvia dorrii ssp. dorrii var. dorrii | Salvia carnosa Dougl. ex Greene var. gilmanii (Epling) L. Benson | SACAG6 |
| Salvia dorrii ssp. dorrii var. dorrii | Salvia carnosa Dougl. ex Greene var. gracilior M.E. Peck | SACAG4 |
| Salvia dorrii ssp. dorrii var. dorrii | Salvia dorrii (Kellogg) Abrams ssp. argentea (Rydb.) Munz | SADOA |
| Salvia dorrii ssp. dorrii var. dorrii | Salvia dorrii (Kellogg) Abrams ssp. gilmanii (Epling) Abrams | SADOG |
| Salvia dorrii ssp. dorrii var. incana | Salvia carnosa Dougl. ex Greene | SACA31 |
| Salvia dorrii ssp. dorrii var. incana | Salvia dorrii (Kellogg) Abrams ssp. carnosa (Dougl. ex Greene) Abrams | SADOC2 |
| Salvia dorrii ssp. dorrii var. incana | Salvia dorrii (Kellogg) Abrams var. carnosa (Dougl. ex Greene) Cronq. | SADOC4 |
| Salvia dorrii ssp. dorrii var. pilosa | Salvia carnosa Dougl. ex Greene ssp. pilosa (Gray) Epling | SACAP |
| Salvia dorrii ssp. mearnsii | Audibertia mearnsii Britt. | AUME |
| Salvia dorrii ssp. mearnsii | Salvia carnosa Dougl. ex Greene ssp. mearnsii (Britt.) Epling | SACAM |
| Salvia farinacea | Salvia earlei Woot. & Standl. | SAEA2 |
| Salvia farinacea | Salvia farinacea Benth. var. farinacea Benth. [superfluous autonym] | SAFAF |
| Salvia farinacea | Salvia farinacea Benth. var. latifolia Shinners | SAFAL |
| Salvia lemmonii | Salvia microphylla Benth. var. wislizeni Gray | SAMIW |
| Salvia lycioides | Salvia ramosissima Fern. | SARA |
| Salvia micrantha var. blodgettii | Salvia blodgettii Chapman | SABL |
| Salvia microphylla | Salvia grahamii Benth. | SAGR9 |
| Salvia munzii | Salvia mellifera Greene ssp. jonesii (Munz) Abrams | SAMEJ |
| Salvia pinguifolia | Salvia ballotiflora Benth. var. pinguifolia Fern. | SABAP |
| Salvia potus | Salvia chia Fern. | SACH16 |
| Salvia reflexa | Salvia lancifolia Poir. | SALA15 |
| Salvia riparia | Salvia privoides Benth. | SAPR4 |
| Salvia sclarea | Salvia sclarea L. var. turkestaniana Mottet | SASCT2 |
| Salvia vaseyi | Audibertia vaseyi Porter | AUVA |
| Salvia verbenaca | Salvia cleistogama de Bary & Paul | SACL6 |
| Salvia verbenaca | Salvia verbenacea L. [orthographic variant] | SAVE2 |
| Salvia whitehousei | Salvia dolichantha (Cory) Whitehouse | SADO3 |
| San Antonio Hills monardella | Monardella antonina Hardham | MOAN |
| San Antonio Hills monardella | Monardella antonina Hardham ssp. antonina | MOANA |
| San Benito monardella | Monardella antonina Hardham ssp. benitensis (Hardam) Jokerst | MOANB |
| San Benito thorn-mint | Acanthomintha obovata Jepson | ACOB |
| San Benito thorn-mint | Acanthomintha obovata Jepson ssp. obovata | ACOBO |
| San Diego mesamint | Pogogyne abramsii J.T. Howell | POAB2 |
| San Diego pitchersage | Lepechinia ganderi Epling | LEGA |
| San Diego thorn-mint | Acanthomintha ilicifolia (Gray) Gray | ACIL |
| San Felipe monardella | Monardella nana Gray ssp. leptosiphon (Torr.) Abrams | MONAL |
| San Jacinto bluecurls | Trichostema austromontanum F.H. Lewis | TRAU |
| San Jacinto bluecurls | Trichostema austromontanum F.H. Lewis ssp. austromontanum | TRAUA2 |
| San Jacinto bluecurls | Trichostema austromontanum F.H. Lewis ssp. compactum F.H. Lewis | TRAUC |
| San Joaquin bluecurls | Trichostema ovatum Curran | TROV |
| San Luis Mountain giant hyssop | Agastache mearnsii Woot. & Standl. | AGME2 |
| San Luis Obispo coyote mint | Monardella villosa Benth. ssp. obispoensis (Hoover) Jokerst | MOVIO3 |
| San Luis Obispo monardella | Monardella frutescens (Hoover) Jokerst | MOFR3 |
| San Luis purple sage | Salvia leucophylla Greene | SALE3 |
| San Mateo thorn-mint | Acanthomintha duttonii (Abrams) Jokerst | ACDU2 |
| San Miguel calamint | Clinopodium chandleri (Brandeg.) Cantino & S.J. Wagstaff | CLCH5 |
| sand brazos-mint | Brazoria arenaria Lundell | BRAR |
| sandmint | Rhododon Epling | RHODO4 |
| Santa Ana pitchersage | Lepechinia cardiophylla Epling | LECA4 |
| Santa Catalina Mountain sage | Salvia amissa Epling | SAAM5 |
| Santa Clara thorn-mint | Acanthomintha lanceolata Curran | ACLA2 |
| Santa Lucia mint | Pogogyne clareana J.T. Howell | POCL2 |
| Santa Rosa Island sage | Salvia brandegeei Munz | SABR3 |
| savory | Satureja L. | SATUR |
| sawtooth sage | Salvia subincisa Benth. | SASU7 |
| scallopleaf sage | Salvia vaseyi (Porter) Parish | SAVA |
| scarlet beebalm | Monarda didyma L. | MODI |
| scarlet calamint | Clinopodium coccineum (Nutt. ex Hook.) Kuntze | CLCO10 |
| scarlet hedgenettle | Stachys coccinea Ortega | STCO |
| scarlet sage | Salvia splendens Sellow ex Roemer & J.A. Schultes | SASP6 |
| scrub balm | Dicerandra frutescens Shinners | DIFR |
| scrub balm | Dicerandra frutescens Shinners ssp. frutescens | DIFRF2 |
| Scutellaria angustifolia ssp. angustifolia | Scutellaria veronicifolia Rydb. | SCVE5 |
| Scutellaria arguta | Scutellaria saxatilis Riddell var. pilosior Benth. | SCSAP |
| Scutellaria drummondii var. drummondii | Scutellaria helleri Small | SCHE7 |
| Scutellaria elliptica var. elliptica | Scutellaria ovalifolia Pers. | SCOV2 |
| Scutellaria elliptica var. elliptica | Scutellaria ovalifolia Pers. ssp. mollis Epling | SCOVM2 |
| Scutellaria elliptica var. elliptica | Scutellaria pilosa Michx. | SCPI2 |
| Scutellaria elliptica var. hirsuta | Scutellaria ovalifolia Pers. ssp. hirsuta (Short & Peter) Epling | SCOVH |
| Scutellaria galericulata | Scutellaria epilobiifolia A. Hamilton | SCEP2 |
| Scutellaria galericulata | Scutellaria galericulata L. ssp. pubescens (Benth.) A.& D. L?ve | SCGAP3 |
| Scutellaria galericulata | Scutellaria galericulata L. var. epilobiifolia (A. Hamilton) Jordal | SCGAE |
| Scutellaria galericulata | Scutellaria galericulata L. var. pubescens Benth. | SCGAP |
| Scutellaria incana var. australis | Scutellaria altamaha Small ssp. australis Epling | SCALA |
| Scutellaria incana var. australis | Scutellaria mellichampii Small | SCME5 |
| Scutellaria incana var. punctata | Scutellaria punctata (Chapman) L?onard | SCPU8 |
| Scutellaria integrifolia | Scutellaria incana Biehler ssp. hispida (Benth.) Epling | SCINH2 |
| Scutellaria integrifolia | Scutellaria integrifolia L. var. hispida Benth. | SCINH |
| Scutellaria montana | Scutellaria serrata Andr. var. montana (Chapman) Penl. | SCSEM |
| Scutellaria multiglandulosa | Scutellaria integrifolia L. var. multiglandulosa Kearney | SCINM |
| Scutellaria nana | Scutellaria holmgreniorum Cronq. | SCHO3 |
| Scutellaria nervosa | Scutellaria nervosa Pursh var. calvifolia Fern. | SCNEC |
| Scutellaria ovata ssp. bracteata | Scutellaria ovata Hill var. bracteata Benth. | SCOVB2 |
| Scutellaria ovata ssp. cuthbertii | Scutellaria cuthbertii Alexander | SCCU5 |
| Scutellaria ovata ssp. ovata | Scutellaria cordifolia Muhl. | SCCO4 |
| Scutellaria ovata ssp. ovata | Scutellaria ovata Hill ssp. calcarea Epling | SCOVC3 |
| Scutellaria ovata ssp. ovata | Scutellaria ovata Hill ssp. mississippiensis (Mart.) Epling | SCOVM3 |
| Scutellaria ovata ssp. ovata | Scutellaria ovata Hill ssp. pseudovenosa Epling | SCOVP3 |
| Scutellaria ovata ssp. ovata | Scutellaria ovata Hill ssp. versicolor (Nutt.) Epling | SCOVV5 |
| Scutellaria ovata ssp. ovata | Scutellaria ovata Hill var. calcarea (Epling) Gleason | SCOVC |
| Scutellaria ovata ssp. ovata | Scutellaria ovata Hill var. versicolor (Nutt.) Fern. | SCOVV |
| Scutellaria ovata ssp. pseudoarguta | Scutellaria ovata Hill var. pseudoarguta (Epling) Core | SCOVP2 |
| Scutellaria ovata ssp. rugosa | Scutellaria ovata Hill var. rugosa (Wood) Fern. | SCOVR3 |
| Scutellaria ovata ssp. virginiana | Scutellaria ovata Hill var. virginiana (Epling) Core | SCOVV4 |
| Scutellaria parvula var. australis | Scutellaria australis (Fassett) Epling | SCAU5 |
| Scutellaria parvula var. missouriensis | Scutellaria ambigua Nutt. | SCAM4 |
| Scutellaria parvula var. missouriensis | Scutellaria leonardii Epling | SCLE |
| Scutellaria parvula var. missouriensis | Scutellaria nervosa Pursh var. ambigua (Nutt.) Fern. | SCNEA |
| Scutellaria parvula var. missouriensis | Scutellaria parvula Michx. var. leonardii (Epling) Fern. | SCPAL |
| Scutellaria potosina ssp. platyphylla var. platyphylla | Scutellaria platyphylla (Epling) B.L. Turner & P. Delprete | SCPL5 |
| Scutellaria potosina ssp. potosina var. grahamiana | Scutellaria potosina Brandeg. var. grahmiana B.L. Turner [orthographic error] | SCPOG |
| Scutellaria potosina ssp. potosina var. tessellata | Scutellaria potosina Brandeg. ssp. parviflora Epling | SCPOP |
| Scutellaria potosina ssp. potosina var. tessellata | Scutellaria tessellata Epling | SCTE4 |
| Scutellaria racemosa | Scutellaria minor auct. non Huds. [misapplied] | SCMI14 |
| Scutellaria resinosa | Scutellaria wrightii auct. non Gray [misapplied] | SCWR4 |
| Scutellaria sapphirina | Scutellaria nana Gray var. sapphirina Barneby | SCNAS |
| Scutellaria siphocampyloides | Scutellaria angustifolia Pursh var. canescens Gray | SCANC |
| Scutellaria siphocampyloides | Scutellaria austiniae Eastw. | SCAU |
| Scutellaria siphocampyloides | Scutellaria siphocamyploides Vatke [orthographic error] | SCSI |
| Scutellaria tuberosa | Scutellaria tuberosa Benth. ssp. australis (Jepson) Epling | SCTUA |
| Scutellaria tuberosa | Scutellaria tuberosa Benth. ssp. similis (Jepson) Epling | SCTUS2 |
| Scutellaria tuberosa | Scutellaria tuberosa Benth. var. similis Jepson | SCTUS |
| Scutellaria wrightii | Scutellaria brevifolia Gray | SCBR9 |
| Scutellaria wrightii | Scutellaria resinosa Torr. var. brevifolia (Gray) Penl. | SCREB |
| seaside beebalm | Monarda maritima (Cory) Correll | MOMA5 |
| selfheal | Prunella L. | PRUNE |
| serpentine monardella | Monardella purpurea T.J. Howell | MOPU2 |
| serpentine savory | Satureja viminea L. | SAVI7 |
| shellflower | Moluccella laevis L. | MOLA |
| Shelton's monardella | Monardella sheltonii (Torr.) T.J. Howell | MOSH |
| shortspike hedgenettle | Stachys pycnantha Benth. | STPY |
| showy false dragonhead | Physostegia pulchella Lundell | PHPU9 |
| showy skullcap | Scutellaria serrata Andr. | SCSE5 |
| shrubby blue sage | Salvia ballotiflora Benth. | SABA5 |
| shrubby germander | Teucrium fruticans L. | TEFR3 |
| shrubby Jerusalem sage | Phlomis fruticosa L. | PHFR4 |
| Sierra mint | Pycnanthemum californicum Torr. ex Durand | PYCA |
| Sierra monardella | Monardella candicans Benth. | MOCA3 |
| Sierra skullcap | Scutellaria bolanderi Gray | SCBO2 |
| Sierra skullcap | Scutellaria bolanderi Gray ssp. austromontana Epling | SCBOA |
| Sierra skullcap | Scutellaria bolanderi Gray ssp. bolanderi | SCBOB |
| silver sage | Salvia argentea L. | SAAR25 |
| simplebeak ironwort | Sideritis romana L. | SIRO3 |
| Sinai Jerusalem sage | Phlomis aurea Decne. | PHAU12 |
| Siskiyou bluecurls | Trichostema simulatum Jepson | TRSI |
| Siskiyou monardella | Monardella siskiyouensis Hardham | MOSI3 |
| skullcap | Scutellaria L. | SCUTE |
| slender false dragonhead | Physostegia intermedia (Nutt.) Engelm. & Gray | PHIN8 |
| slender false pennyroyal | Hedeoma acinoides Scheele | HEAC |
| slender wild basil | Clinopodium gracile (Benth.) Kuntze | CLGR4 |
| slenderleaf false dragonhead | Physostegia leptophylla Small | PHLE9 |
| slenderleaf sage | Salvia leptophylla Benth. | SALE2 |
| small coastal germander | Teucrium cubense Jacq. | TECU |
| small coastal germander | Teucrium cubense Jacq. var. cubense | TECUC |
| small coastal germander | Teucrium cubense Jacq. var. densum Jepson | TECUD2 |
| small coastal germander | Teucrium cubense Jacq. var. laevigatum (Vahl) Shinners | TECUL2 |
| small skullcap | Scutellaria parvula Michx. | SCPA7 |
| small skullcap | Scutellaria parvula Michx. var. australis Fassett | SCPAA2 |
| small skullcap | Scutellaria parvula Michx. var. parvula | SCPAP3 |
| Small's skullcap | Scutellaria multiglandulosa (Kearney) Small ex Harper | SCMU4 |
| smallflower bluecurls | Trichostema micranthum Gray | TRMI3 |
| smallflower phyllostegia | Phyllostegia parviflora (Gaud.) Benth. | PHPA14 |
| smallflower phyllostegia | Phyllostegia parviflora (Gaud.) Benth. var. glabriuscula Gray | PHPAG |
| smallflower phyllostegia | Phyllostegia parviflora (Gaud.) Benth. var. parviflora | PHPAP3 |
| smallleaf giant hyssop | Agastache parvifolia Eastw. | AGPA2 |
| smooth hedgenettle | Stachys tenuifolia Willd. | STTE |
| smooth rock skullcap | Scutellaria saxatilis Riddell | SCSA5 |
| softhair false pennyroyal | Hedeoma mollis Torr. | HEMO |
| solenostemon | Solenostemon Thonn. | SOLEN2 |
| Solenostemon rotundifolius | Coleus parviflorus Benth. | COPA34 |
| Solenostemon rotundifolius | Coleus rotundifolius (Poiret) A. Chev. & E. Perrot | CORO9 |
| Solenostemon rotundifolius | Coleus tuberosus (Blume) Benth. | COTU6 |
| Solenostemon scutellarioides | Coleus blumei Benth. | COBL |
| Solenostemon scutellarioides | Coleus pumilus Blanco | COPU6 |
| Solenostemon scutellarioides | Coleus scutellarioides (L.) Benth. | COSC7 |
| Solenostemon scutellarioides | Plectranthus blumei (Benth.) Launert | PLBL2 |
| Solenostemon scutellarioides | Plectranthus scutellarioides (L.) R. Br. | PLSC5 |
| Sonoma hedgenettle | Stachys stricta Greene | STST |
| Sonoran giant hyssop | Agastache wrightii (Greenm.) Woot. & Standl. | AGWR |
| South American skullcap | Scutellaria racemosa Pers. | SCRA |
| southern Mexican sage | Salvia disjuncta Fernald | SADI9 |
| southern monardella | Monardella australis Abrams | MOAU3 |
| southern mountainmint | Pycnanthemum pycnanthemoides (Leavenworth) Fern. | PYPY |
| southern mountainmint | Pycnanthemum pycnanthemoides (Leavenworth) Fern. var. pycnanthemoides | PYPYP |
| southern mountainmint | Pycnanthemum pycnanthemoides (Leavenworth) Fern. var. viridifolium Fern. | PYPYV |
| spearmint | Mentha spicata L. | MESP3 |
| speckled spur flower | Plectranthus ciliatus E. Mey. | PLCI6 |
| splitlip hempnettle | Galeopsis bifida Boenn. | GABI3 |
| spotless balm | Dicerandra immaculata Lakela | DIIM |
| spotted beebalm | Monarda fruticulosa Epling | MOFR2 |
| spotted beebalm | Monarda punctata L. | MOPU |
| spotted beebalm | Monarda punctata L. ssp. immaculata Pennell | MOPUI2 |
| spotted beebalm | Monarda punctata L. ssp. punctata | MOPUP |
| spotted beebalm | Monarda punctata L. ssp. punctata var. arkansana (McClintock & Epling) Shinners | MOPUA |
| spotted beebalm | Monarda punctata L. ssp. punctata var. correllii B.L. Turner | MOPUC3 |
| spotted beebalm | Monarda punctata L. ssp. punctata var. coryi (McClintock & Epling) Shinners | MOPUC |
| spotted beebalm | Monarda punctata L. ssp. punctata var. intermedia (McClintock & Epling) Waterfall | MOPUI3 |
| spotted beebalm | Monarda punctata L. ssp. punctata var. lasiodonta Gray | MOPUL |
| spotted beebalm | Monarda punctata L. ssp. punctata var. occidentalis (Epling) Palmer & Steyermark | MOPUO |
| spotted beebalm | Monarda punctata L. ssp. punctata var. punctata | MOPUP2 |
| spotted beebalm | Monarda punctata L. ssp. punctata var. villicaulis (Pennell) Palmer & Steyermark | MOPUV |
| spotted henbit | Lamium maculatum L. | LAMA |
| spreading false pennyroyal | Hedeoma diffusa Greene | HEDI |
| St. John's phyllostegia | Phyllostegia micrantha St. John | PHMI22 |
| Stachydeoma graveolens | Hedeoma graveolens Chapman ex Gray | HEGR12 |
| Stachys affinis | Stachys sieboldii Miq. | STSI5 |
| Stachys affinis | Stachys tuberifera Naudin | STTU2 |
| Stachys ajugoides | Stachys ajugoides Benth. var. ajugoides Benth. [superfluous autonym] | STAJA3 |
| Stachys aspera | Stachys ambigua (Gray) Britt. | STAM8 |
| Stachys aspera | Stachys grayana House | STGR9 |
| Stachys aspera | Stachys hyssopifolia Michx. var. ambigua Gray | STHYA |
| Stachys aspera | Stachys tenuifolia Willd. var. aspera (Michx.) Fern. | STTEA |
| Stachys bergii | Stachys rigida Nutt. ex Benth. ssp. lanata Epling | STRIL |
| Stachys byzantina | Stachys olympica Poir. | STOL2 |
| Stachys chamissonis var. cooleyae | Stachys ciliata Epling | STCI2 |
| Stachys chamissonis var. cooleyae | Stachys cooleyae Heller | STCO14 |
| Stachys cordata | Stachys nuttallii Shuttlw. ex Benth. | STNU2 |
| Stachys cordata | Stachys riddellii House | STRI4 |
| Stachys cordata | Stachys salvioides Small | STSA4 |
| Stachys cordata | Stachys subcordata Rydb. | STSU |
| Stachys crenata | Stachys agraria auct. non Cham. & Schlecht. [misapplied] | STAG |
| Stachys cretica | Stachys germanica L. var. italica (P. Mill.) Briq. [excluded] | STGEI2 |
| Stachys cretica | Stachys italica P. Mill. [excluded] | STIT2 |
| Stachys hyssopifolia | Stachys atlantica Britt. | STAT2 |
| Stachys hyssopifolia | Stachys hyssopifolia Michx. var. lythroides (Small) J. Nelson | STHYL |
| Stachys hyssopifolia | Stachys lythroides Small | STLY2 |
| Stachys latidens | Stachys tenuifolia Willd. var. latidens (Small ex Britt.) J. Nelson | STTEL |
| Stachys macrantha | Betonica grandiflora Stephan ex Willd. | BEGR |
| Stachys macrantha | Stachys grandiflora (Stephan ex Willd.) Benth. nom. illeg. | STGR7 |
| Stachys mexicana | Stachys ciliata Dougl. ex Benth. | STCI7 |
| Stachys mexicana | Stachys emersonii Piper | STEM |
| Stachys ocymastrum | Stachys hirta L. | STHI6 |
| Stachys officinalis | Betonica officinalis L. | BEOF |
| Stachys palustris | Stachys palustris L. var. elliptica Clos | STPAE |
| Stachys palustris | Stachys palustris L. var. petiolata Clos | STPAP7 |
| Stachys palustris | Stachys palustris L. var. segetum (Mutel) Grogn. | STPAS |
| Stachys pilosa var. arenicola | Stachys arenicola Britt. | STAR5 |
| Stachys pilosa var. arenicola | Stachys palustris L. ssp. arenicola (Britt.) Gill | STPAA2 |
| Stachys pilosa var. pilosa | Stachys asperrima Rydb. | STAS3 |
| Stachys pilosa var. pilosa | Stachys borealis Rydb. | STBO4 |
| Stachys pilosa var. pilosa | Stachys homotricha (Fern.) Rydb. | STHO3 |
| Stachys pilosa var. pilosa | Stachys palustris L. ssp. pilosa (Nutt.) Epling | STPAP2 |
| Stachys pilosa var. pilosa | Stachys palustris L. var. homotricha Fern. | STPAH |
| Stachys pilosa var. pilosa | Stachys palustris L. var. nipigonensis Jennings | STPAN |
| Stachys pilosa var. pilosa | Stachys palustris L. var. phaneropoda Weatherby | STPAP5 |
| Stachys pilosa var. pilosa | Stachys palustris L. var. pilosa (Nutt.) Fern. | STPAP6 |
| Stachys pilosa var. pilosa | Stachys palustris L. var. puberula Jennings | STPAP10 |
| Stachys pilosa var. pilosa | Stachys scopulorum Greene | STSC6 |
| Stachys pilosa var. pilosa | Stachys teucriifolia Rydb. | STTE10 |
| Stachys pilosa var. pilosa | Stachys teucriiformis Rydb. | STTE9 |
| Stachys rigida var. quercetorum | Stachys rigida Nutt. ex Benth. ssp. quercetorum (Heller) Epling | STRIQ |
| Stachys rigida var. rigida | Stachys ajugoides Benth. var. rigida Jepson & Hoover | STAJR |
| Stachys rigida var. rigida | Stachys rigida Nutt. ex Benth. ssp. rivularis (Heller) Epling | STRIR |
| Stachys tenuifolia | Stachys glabra Riddell | STGL4 |
| Stachys tenuifolia | Stachys hispida Pursh | STHI |
| Stachys tenuifolia | Stachys palustris L. var. hispida (Pursh) Boivin | STPAH2 |
| Stachys tenuifolia | Stachys palustris L. var. macrocalyx Jennings | STPAM |
| Stachys tenuifolia | Stachys tenuifolia Willd. var. hispida (Pursh) Fern. | STTEH |
| Stachys tenuifolia | Stachys tenuifolia Willd. var. perlonga Fern. | STTEP |
| Stachys tenuifolia | Stachys tenuifolia Willd. var. platyphylla Fern. | STTEP2 |
| staggerweed | Stachys arvensis (L.) L. | STAR |
| Stanfield's beebalm | Monarda stanfieldii Small | MOST5 |
| Stebbins's hedgenettle | Stachys stebbinsii G. Mulligan & D. Munro | STST17 |
| stenogyne | Stenogyne Benth. | STENO |
| Stenogyne angustifolia | Stenogyne angustifolia Gray var. hillebrandii Sherff | STANH |
| Stenogyne angustifolia | Stenogyne angustifolia Gray var. mauiensis Sherff | STANM |
| Stenogyne angustifolia | Stenogyne angustifolia Gray var. meeboldii Sherff | STANM2 |
| Stenogyne angustifolia | Stenogyne angustifolia Gray var. salicifolia Sherff | STANS |
| Stenogyne angustifolia | Stenogyne angustifolia Gray var. spathulata Sherff | STANS2 |
| Stenogyne calaminthoides | Stenogyne calaminthoides Gray var. subrotunda Sherff | STCAS |
| Stenogyne calaminthoides | Stenogyne calaminthoides Gray var. waimeana Sherff | STCAW |
| Stenogyne kaalae ssp. kaalae | Stenogyne kaalae Wawra var. latisepala Sherff | STKAL |
| Stenogyne kaalae ssp. sherffii | Stenogyne sherffii O. Deg. | STSH |
| Stenogyne kamehamehae | Stenogyne affinis Forbes var. retrorsa O. Deg. & Sherff | STAFR |
| Stenogyne kamehamehae | Stenogyne kamehamehae Wawra var. albiflora Sherff | STKAA |
| Stenogyne kamehamehae | Stenogyne serpens Hbd. | STSE4 |
| Stenogyne macrantha | Stenogyne macrantha Benth. var. grayi Mann | STMAG2 |
| Stenogyne macrantha | Stenogyne macrantha Benth. var. latifolia Hbd. | STMAL |
| Stenogyne microphylla | Stenogyne affinis Forbes | STAF |
| Stenogyne microphylla | Stenogyne crenata Gray | STCR5 |
| Stenogyne microphylla | Stenogyne crenata Gray var. muricata O. Deg. & Sherff | STCRM |
| Stenogyne microphylla | Stenogyne diffusa Gray | STDI5 |
| Stenogyne microphylla | Stenogyne diffusa Gray var. glabra Wawra | STDIG |
| Stenogyne microphylla | Stenogyne vagans Hbd. | STVA2 |
| Stenogyne oxygona | Stenogyne calaminthoides Gray var. oxydonta Sherff | STCAO |
| Stenogyne purpurea | Stenogyne kealiae Wawra var. angustata O. Deg. & Sherff | STKEA |
| Stenogyne purpurea | Stenogyne purpurea Mann var. brevipedunculata Wawra | STPUB |
| Stenogyne purpurea | Stenogyne purpurea Mann var. forbesii Sherff | STPUF |
| Stenogyne purpurea | Stenogyne purpurea Mann var. leptophylla Sherff | STPUL |
| Stenogyne rotundifolia | Stenogyne affinis Forbes var. degeneri Sherff | STAFD |
| Stenogyne rotundifolia | Stenogyne glabrata (Hbd.) Sherff | STGL2 |
| Stenogyne rotundifolia | Stenogyne rotundifolia Gray var. oblonga Sherff | STROO |
| Stenogyne rotundifolia | Stenogyne sessilis Benth. var. hexanthoides O. Deg. & Sherff | STSEH2 |
| Stenogyne rugosa | Stenogyne kaalae Wawra var. coriacea O. Deg. & Sherff | STKAC |
| Stenogyne rugosa | Stenogyne mollis (Sherff) St. John | STMO4 |
| Stenogyne rugosa | Stenogyne rugosa Benth. var. mollis Sherff | STRUM2 |
| Stenogyne rugosa | Stenogyne rugosa Benth. var. subulata Sherff | STRUS |
| Stenogyne scrophularioides | Stenogyne biflora (Sherff) St. John | STBI4 |
| Stenogyne scrophularioides | Stenogyne hirsutula St. John | STHI4 |
| Stenogyne scrophularioides | Stenogyne macrantha Benth. var. amicarum O. Deg. & Sherff | STMAA |
| Stenogyne scrophularioides | Stenogyne macrantha Benth. var. gracilis Sherff | STMAG |
| Stenogyne scrophularioides | Stenogyne scandens Sherff | STSC3 |
| Stenogyne scrophularioides | Stenogyne scrophularioides Benth. var. biflora Sherff | STSCB |
| Stenogyne scrophularioides | Stenogyne scrophularioides Benth. var. nelsonii (Benth.) Sherff | STSCN |
| Stenogyne scrophularioides | Stenogyne scrophularioides Benth. var. remyi Sherff | STSCR |
| Stenogyne scrophularioides | Stenogyne scrophularioides Benth. var. skottsbergii Sherff | STSCS |
| Stenogyne scrophularioides | Stenogyne sororia Sherff | STSO |
| Stenogyne sessilis | Stenogyne sessilis Benth. var. hexantha Sherff | STSEH |
| Stenogyne sessilis | Stenogyne sessilis Benth. var. lanaiensis Sherff | STSEL |
| Stenogyne sessilis | Stenogyne sessilis Benth. var. wilkesii Sherff | STSEW |
| sticky sage | Salvia glutinosa L. | SAGL12 |
| sticky skullcap | Scutellaria resinosa Torr. | SCRE3 |
| stiff hedgenettle | Stachys recta L. | STRE6 |
| stone mountainmint | Pycnanthemum curvipes (Greene) E. Grant & Epling | PYCU |
| stoneroot | Collinsonia verticillata Baldw. | COVE3 |
| streambed phyllostegia | Phyllostegia vestita Benth. | PHVE4 |
| summer savory | Satureja hortensis L. | SAHO3 |
| sweet basil | Ocimum basilicum L. | OCBA |
| sweet marjoram | Origanum majorana L. | ORMA |
| sweet-smelling monardella | Monardella beneolens Shevock, Ertter & Jokerst | MOBE5 |
| synandra | Synandra Nutt. | SYNAN |
| tall skullcap | Scutellaria altissima L. | SCAL4 |
| taperleaf water horehound | Lycopus rubellus Moench | LYRU |
| Teucrium canadense var. canadense | Teucrium canadense L. var. angustatum Gray | TECAA |
| Teucrium canadense var. canadense | Teucrium canadense L. var. littorale (Bickn.) Fern. | TECAL |
| Teucrium canadense var. canadense | Teucrium canadense L. var. virginicum (L.) Eat. | TECAV |
| Teucrium canadense var. canadense | Teucrium littorale Bickn. | TELI5 |
| Teucrium canadense var. hypoleucum | Teucrium canadense L. var. nashii (Kearney) Shinners | TECAN |
| Teucrium canadense var. hypoleucum | Teucrium nashii Kearney | TENA |
| Teucrium canadense var. occidentale | Teucrium boreale Bickn. | TEBO3 |
| Teucrium canadense var. occidentale | Teucrium canadense L. ssp. occidentale (Gray) W.A. Weber | TECAO2 |
| Teucrium canadense var. occidentale | Teucrium canadense L. ssp. viscidum (Piper) Taylor & MacBryde p.p. | TECAV2 |
| Teucrium canadense var. occidentale | Teucrium canadense L. var. boreale (Bickn.) Shinners | TECAB |
| Teucrium canadense var. occidentale | Teucrium occidentale Gray | TEOC |
| Teucrium canadense var. occidentale | Teucrium occidentale Gray var. boreale (Bickn.) Fern. | TEOCB |
| Teucrium cubense var. densum | Teucrium cubense Jacq. ssp. depressum (Small) McClintock & Epling | TECUD |
| Teucrium cubense var. densum | Teucrium depressum Small | TEDE2 |
| Teucrium cubense var. laevigatum | Teucrium cubense Jacq. ssp. laevigatum (Vahl) McClintock & Epling | TECUL |
| Texas sage | Salvia texana (Scheele) Torr. | SATE3 |
| Texas sandmint | Rhododon ciliatus (Benth.) Epling | RHCI4 |
| Texas skullcap | Scutellaria texana B.L. Turner | SCTE15 |
| thickleaf monardella | Monardella hypoleuca Gray | MOHY |
| thickleaf monardella | Monardella hypoleuca Gray ssp. hypoleuca | MOHYH |
| Thieret's skullcap | Scutellaria thieretii Shinners | SCTH |
| thinleaf mountainmint | Pycnanthemum montanum Michx. | PYMO2 |
| thistle sage | Salvia carduacea Benth. | SACA8 |
| Thomas's sage | Salvia thomasiana Urban | SATH2 |
| thorn-mint | Acanthomintha (Gray) Gray | ACANT2 |
| threadleaf giant hyssop | Agastache rupestris (Greene) Standl. | AGRU |
| thyme | Thymus L. | THYMU |
| thymeleaf dragonhead | Dracocephalum thymiflorum L. | DRTH |
| thymeleaf mesamint | Pogogyne serpylloides (Torr.) Gray | POSE2 |
| thymus | Thymus capitatus (L.) Hoffsgg. & Link | THCA10 |
| Thymus kosteletzkyanus | Thymus marschallianus Willd. | THMA11 |
| Thymus kosteletzkyanus | Thymus pannonicus All. | THPA11 |
| Thymus praecox ssp. arcticus | Thymus arcticus (Dur.) Ronniger | THAR8 |
| Thymus praecox ssp. arcticus | Thymus drucei Ronniger | THDR2 |
| Thymus praecox ssp. arcticus | Thymus serpyllum auct. non L. [misapplied] | THSE |
| Thymus pulegioides | Thymus serpyllum L. ssp. chamaedrys (Fries) Voll. | THSEC |
| Thymus pulegioides | Thymus serpyllum L. var. albus hort. | THSEA |
| Thymus thracicus | Thymus lanicaulis Ronniger | THLA11 |
| Todsen's false pennyroyal | Hedeoma todsenii Irving | HETO2 |
| Torrey's mountainmint | Pycnanthemum torrei Benth. | PYTO |
| TransPecos giant hyssop | Agastache breviflora (Gray) Epling | AGBR |
| Trichostema brachiatum | Isanthus brachiatus (L.) B.S.P. | ISBR3 |
| Trichostema brachiatum | Isanthus brachiatus (L.) B.S.P. var. linearis Fassett | ISBRL |
| Trichostema brachiatum | Tetraclea viscida Lundell | TEVI2 |
| Trichostema dichotomum | Trichostema dichotomum L. var. puberulum Fern. & Grisc. | TRDIP |
| Trichostema dichotomum | Trichostema pilosum Roth | TRPI5 |
| Trichostema rubisepalum | Trichostema laxum Gray var. rubisepalum (Elmer) Jepson | TRLAR |
| Trichostema setaceum | Trichostema dichotomum L. var. lineare (Walt.) Pursh | TRDIL |
| Trichostema setaceum | Trichostema lineare Walt. | TRLI5 |
| tropical bushmint | Hyptis mutabilis (A. Rich.) Briq. | HYMU2 |
| tropical sage | Salvia misella Kunth | SAMI12 |
| tuberous Jerusalem sage | Phlomis tuberosa L. | PHTU2 |
| turpentine weed | Trichostema laxum Gray | TRLA5 |
| twocleft stenogyne | Stenogyne bifida Hbd. | STBI3 |
| ulihi phyllostegia | Phyllostegia glabra (Gaud.) Benth. | PHGL7 |
| ulihi phyllostegia | Phyllostegia glabra (Gaud.) Benth. var. glabra | PHGLG |
| ulihi phyllostegia | Phyllostegia glabra (Gaud.) Benth. var. lanaiensis Sherff | PHGLL2 |
| veiny false pennyroyal | Hedeoma plicata Torr. | HEPL |
| veiny monardella | Monardella douglasii Benth. ssp. venosa (Torr.) Jokerst | MODOV2 |
| veiny skullcap | Scutellaria nervosa Pursh | SCNE2 |
| velvet phyllostegia | Phyllostegia velutina (Sherff) St. John | PHVE8 |
| vinegarweed | Trichostema lanceolatum Benth. | TRLA4 |
| Virginia mountainmint | Pycnanthemum virginianum (L.) T. Dur. & B.D. Jackson ex B.L. Robins. & Fern. | PYVI |
| Virginia skullcap | Scutellaria ovata Hill ssp. virginiana Epling | SCOVV3 |
| Virginia water horehound | Lycopus virginicus L. | LYVI4 |
| Waianae Range phyllostegia | Phyllostegia mollis Benth. | PHMO7 |
| Waimea phyllostegia | Phyllostegia knudsenii Hbd. | PHKN |
| wall germander | Teucrium chamaedrys L. | TECH4 |
| wand sage | Salvia virgata Jacq. | SAVI18 |
| Warnockia scutellarioides | Brazoria scutellarioides Engelm. & Gray | BRSC2 |
| water mint | Mentha aquatica L. | MEAQ |
| waterhorehound | Lycopus L. | LYCOP4 |
| West Indian sage | Salvia occidentalis Sw. | SAOC5 |
| western false dragonhead | Physostegia parviflora Nutt. ex Gray | PHPA10 |
| western germander | Teucrium canadense L. var. occidentale (Gray) McClintock & Epling | TECAO |
| western giant hyssop | Agastache occidentalis (Piper) Heller | AGOC |
| white bergamot | Monarda clinopodia L. | MOCL |
| white birds-in-a-nest | Macbridea alba Chapman | MAAL7 |
| white deadnettle | Lamium album L. | LAAL |
| white giant hyssop | Agastache micrantha (Gray) Woot. & Standl. | AGMI |
| White Mountain false pennyroyal | Hedeoma pulcherrima Woot. & Standl. | HEPU12 |
| White Pine skullcap | Scutellaria sapphirina (Barneby) Olmstead | SCSA6 |
| white sage | Salvia apiana Jepson | SAAP2 |
| white sage | Salvia apiana Jepson var. apiana | SAAPA |
| whiteleaf mountainmint | Pycnanthemum albescens Torr. & Gray | PYAL |
| whitespot | Stachys sylvatica L. | STSY2 |
| whitestem hedgenettle | Stachys albens Gray | STAL |
| whitewort | Leucas martinicensis (Jacq.) Ait. f. | LEMA7 |
| whorled mountainmint | Pycnanthemum verticillatum (Michx.) Pers. | PYVE |
| whorled mountainmint | Pycnanthemum verticillatum (Michx.) Pers. var. pilosum (Nutt.) Cooperrider | PYVEP |
| whorled mountainmint | Pycnanthemum verticillatum (Michx.) Pers. var. verticillatum | PYVEV |
| whorled plectranthus | Plectranthus verticillatus (L. f.) Druce | PLVE2 |
| wild basil | Clinopodium vulgare L. | CLVU |
| wild bergamot | Monarda fistulosa L. | MOFI |
| wild bergamot | Monarda fistulosa L. ssp. brevis (Fosberg & Artz) Scora, comb. nov. ined. | MOFIB2 |
| wild bergamot | Monarda fistulosa L. ssp. fistulosa | MOFIF |
| wild bergamot | Monarda fistulosa L. ssp. fistulosa var. fistulosa | MOFIF2 |
| wild bergamot | Monarda fistulosa L. ssp. fistulosa var. mollis (L.) Benth. | MOFIM3 |
| wild bergamot | Monarda fistulosa L. ssp. fistulosa var. rubra Gray | MOFIR |
| wild bergamot | Monarda fistulosa L. ssp. fistulosa var. stipitatoglandulosa (Waterfall) Scora, comb. nov. ined. | MOFIS |
| wild clary | Salvia verbenaca L. | SAVE12 |
| wild mint | Mentha arvensis L. | MEAR4 |
| wild pennyroyal | Piloblephis rigida (Bartr. ex Benth.) Raf. | PIRI5 |
| willowy monardella | Monardella linoides Gray ssp. viminea (Greene) Abrams | MOLIV |
| winter savory | Satureja montana L. | SAMO6 |
| woodbalm | Lepechinia calycina (Benth.) Epling ex Munz | LECA3 |
| woodland calamint | Calamintha sylvatica Bromf. | CASY6 |
| woodland calamint | Calamintha sylvatica Bromf. ssp. ascendens (Jord.) P.W. Ball | CASYA |
| woodland germander | Teucrium scorodonia L. | TESC |
| woodland islandmint | Haplostachys linearifolia (Drake) Sherff | HALI4 |
| woodland sage | Salvia ?sylvestris L. (pro sp.) [nemorosa ? pratensis] | SASY |
| woolly bluecurls | Trichostema lanatum Benth. | TRLA3 |
| woolly hedgenettle | Stachys byzantina K. Koch | STBY |
| woolly sage | Salvia funerea M.E. Jones | SAFU2 |
| Wright's skullcap | Scutellaria wrightii Gray | SCWR2 |
| yellow archangel | Lamiastrum galeobdolon (L.) Ehrend. & Polatschek | LAGA2 |
| yellow bugle | Ajuga chamaepitys (L.) Schreb. | AJCH |
| yellow giant hyssop | Agastache nepetoides (L.) Kuntze | AGNE2 |
| yellow monardella | Monardella nana Gray | MONA |
| yellow monardella | Monardella nana Gray ssp. arida (Hall) Abrams | MONAA |
| yellow monardella | Monardella nana Gray ssp. nana | MONAN2 |
| yellow monardella | Monardella nana Gray ssp. tenuiflora (S. Wats. ex Gray) Abrams | MONAT |
| yerba buena | Clinopodium douglasii (Benth.) Kuntze | CLDO2 |
| yerba de la pastora | Salvia divinorum Epling & Jativa | SADI7 |
| Yucatan sage | Salvia micrantha Vahl | SAMI11 |
| Yucatan sage | Salvia micrantha Vahl var. micrantha | SAMIM2 |
| Ziegler's sage | Salvia columbariae Benth. var. ziegleri Munz | SACOZ |
Plant Names