| Common Name | Scientific Name | Code |
| n/a | Achyranthes bidentata Blume [excluded] | ACBI9 |
| n/a | Achyranthes canescens R. Br. | ACCA37 |
| n/a | Alternanthera echinocephala (Hook. f.) Christoph. [excluded] | ALEC2 |
| n/a | Alternanthera trigyna L. [excluded] | ALTR15 |
| n/a | Amaranthus ?texensis Henrickson [scleropoides ? crassipes] | AMTE9 |
| n/a | Amaranthus ?tucsonensis Henrickson [hybridus ? ?] | AMTU2 |
| n/a | Amaranthus acutilobus Uline & Bray [excluded] | AMAC6 |
| n/a | Amaranthus blitum L. var. emarginatus (Moq. ex Uline & Bray) comb. nov. ined. | AMBLE2 |
| n/a | Amaranthus blitum L. var. pseudogracilis (Thellung) Costea | AMBLP |
| n/a | Amaranthus chihuahuensis S. Wats. [excluded] | AMCH8 |
| n/a | Amaranthus crassipes Schlecht. var. warnockii Henrickson | AMCRW |
| n/a | Amaranthus graecizans L. ssp. sylvestris (Vill.) Brenan | AMGRS |
| n/a | Amaranthus powellii S. Wats. ssp. bouchonii (Thellung) Costea & Carretero | AMPOB2 |
| n/a | Deeringia amaranthoides (Lam.) Merr. | DEAM4 |
| n/a | Deeringia R. Br. | DEERI2 |
| n/a | Digera Forssk. | DIGER |
| n/a | Psilotrichum Blume | PSILO9 |
| n/a | Psilotrichum trichotomum Blume | PSTR4 |
| n/a | Tidestromia oblongifolia (S. Wats.) Standl. ssp. cryptantha (S. Wats.) Wiggins [excluded] | TIOBC2 |
| Achyranthes aspera var. aspera | Achyranthes indica (L.) P. Mill. | ACIN4 |
| Achyranthes aspera var. aspera | Centrostachys aspera (L.) Standl. | CEAS3 |
| Achyranthes aspera var. aspera | Centrostachys indica (L.) Standl. | CEIN6 |
| Achyranthes mutica | Achyranthes nelsonii St. John | ACNE3 |
| Achyranthes splendens var. rotundata | Achyranthes splendens Mart. ex Moq. var. reflecta Hbd. | ACSPR |
| aerva | Aerva Forssk. | AERVA |
| aerva | Aerva lanata (L.) A. L. Juss. ex Schultes | AELA |
| Aerva javanica | Aerva tomentosa Forsskal | AETO2 |
| African amaranth | Amaranthus muricatus (Gillies ex Moq.) Gillies ex Hieron. | AMMU3 |
| albahaca | Celosia virgata Jacq. | CEVI4 |
| alligatorweed | Alternanthera philoxeroides (Mart.) Griseb. | ALPH |
| Alternanthera bettzichiana | Achyranthes bettzichiana (Regel) Standl. | ACBE3 |
| Alternanthera bettzichiana | Achyranthes ficoidea (L.) Lam. ssp. bettzichiana (Regel) Baker | ACFIB |
| Alternanthera bettzichiana | Alternanthera amoena (Lemaire) Voss | ALAM11 |
| Alternanthera bettzichiana | Alternanthera tenella Colla var. versicolor (Lem.) Veldkamp | ALTEV |
| Alternanthera brasiliana | Achyranthes brasiliana (L.) Standl. | ACBR2 |
| Alternanthera brasiliana | Alternanthera dentata (Moench) Stuchlik ex R.E. Fries | ALDE2 |
| Alternanthera brasiliana | Alternanthera jacquinii (Schrad.) Griseb. ex Kuntze | ALJA |
| Alternanthera brasiliana | Gomphrena brasiliana L. | GOBR3 |
| Alternanthera caracasana | Achyranthes peploides (Humb. & Bonpl. ex J.A. Schultes) Britt. & P. Wilson | ACPE3 |
| Alternanthera caracasana | Alternanthera peploides (Humb. & Bonpl. ex J.A. Schultes) Urban | ALPE6 |
| Alternanthera crucis | Achyranthes portoricensis (Kuntze) Standl. | ACPO5 |
| Alternanthera crucis | Alternanthera dolichocephala (Urban) Urban | ALDO2 |
| Alternanthera crucis | Alternanthera portoricensis Kuntze | ALPO5 |
| Alternanthera echinocephala | Alternanthera menziesii St. John [excluded] | ALME7 |
| Alternanthera ficoidea | Achyranthes ficoidea auct. non (L.) Lam. [misapplied] | ACFI2 |
| Alternanthera ficoidea | Alternanthera tenella Colla | ALTE4 |
| Alternanthera flavescens | Achyranthes ramosissima auct. non (Mart.) Standl. [misapplied] | ACRA2 |
| Alternanthera flavescens | Alternanthera floridana (Chapman) Small | ALFL4 |
| Alternanthera flavescens | Alternanthera ramosissima auct. non (Mart.) Chod. [misapplied] | ALRA3 |
| Alternanthera flavogrisea | Alternanthera tenella Colla ssp. flavogrisea (Urban) Mears & Veldkamp | ALTEF |
| Alternanthera hassleriana | Alternanthera hasslerana Chodat ex Chodat & Hassler [orthographic variant] | ALHA4 |
| Alternanthera maritima | Achyranthes maritima (Mart.) Standl. | ACMA6 |
| Alternanthera paronichyoides var. paronichyoides | Achyranthes paronichyoides auct. non (L.) Lam. [misapplied] | ACPA4 |
| Alternanthera paronichyoides var. paronichyoides | Alternanthera polygonoides auct. non (L.) R. Br. ex Sweet [misapplied] | ALPO6 |
| Alternanthera philoxeroides | Achyranthes philoxeroides (Mart.) Standl. | ACPH |
| Alternanthera pungens | Achyranthes leiantha (Seub.) Standl. | ACLE5 |
| Alternanthera pungens | Achyranthes repens L. | ACRE5 |
| Alternanthera pungens | Alternanthera achyrantha (L.) R. Br. ex Sweet | ALAC6 |
| Alternanthera pungens | Alternanthera repens (L.) Link, non J.F. Gmel. | ALRE2 |
| Alternanthera sessilis | Achyranthes sessilis (L.) Desf. ex Steud. | ACSE4 |
| Alternanthera sessilis | Alternanthera glabra Moq. | ALGL11 |
| Alternanthera sessilis | Gomphrena sessilis L. | GOSE2 |
| Amaranthus acanthochiton | Acanthochiton wrightii Torr. | ACWR6 |
| Amaranthus acutilobus | Euxolus emarginatus A. Braun & Bouch? [excluded] | EUEM2 |
| Amaranthus albus | Amaranthus albus L. var. pubescens (Uline & Bray) Fern. | AMALP3 |
| Amaranthus albus | Amaranthus graecizans auct. non L. p.p. [misapplied] | AMGR |
| Amaranthus albus | Amaranthus graecizans L. var. pubescens Uline & Bray | AMGRP |
| Amaranthus albus | Amaranthus pubescens (Uline & Bray) Rydb. | AMPU |
| Amaranthus arenicola | Amaranthus torreyi auct. non (Gray) Benth. ex S. Wats. [misapplied] | AMTO |
| Amaranthus australis | Acnida alabamensis Standl. | ACAL3 |
| Amaranthus australis | Acnida australis Gray | ACAU4 |
| Amaranthus australis | Acnida cuspidata Bertero ex Spreng. | ACCU3 |
| Amaranthus bigelovii | Amaranthus torreyi auct. non (Gray) Benth. ex S. Wats. [misapplied] | AMTO |
| Amaranthus blitoides | Amaranthus graecizans auct. non L. p.p. [misapplied] | AMGR |
| Amaranthus blitum var. blitum | Amaranthus ascendens Loisel. | AMAS |
| Amaranthus blitum var. blitum | Amaranthus viridis auct. non L. [misapplied] | AMVI6 |
| Amaranthus blitum var. emarginatus | Amaranthus blitum L. ssp. emarginatus (Moq. ex Uline & Bray) Carretero, Garmendia & Pedrol | AMBLE |
| Amaranthus blitum var. emarginatus | Amaranthus lividus auct. non L. [misapplied] | AMLI |
| Amaranthus blitum var. pseudogracilis | Amaranthus lividus L. ssp. polygonoides (Moq.) Probst | AMLIP2 |
| Amaranthus blitum var. pseudogracilis | Amaranthus lividus L. var. polygonoides (Moq.) Thellung | AMLIP |
| Amaranthus californicus | Amaranthus albomarginatus Uline & Bray | AMAL4 |
| Amaranthus californicus | Amaranthus microphyllus Shinners | AMMI5 |
| Amaranthus cannabinus | Acnida cannabina L. | ACCA11 |
| Amaranthus caudatus | Amaranthus edulis Speg. | AMED |
| Amaranthus cruentus | Amaranthus hybridus L. ssp. cruentus (L.) Thellung | AMHYC |
| Amaranthus cruentus | Amaranthus hybridus L. var. cruentus (L.) Moq. | AMHYC2 |
| Amaranthus cruentus | Amaranthus paniculatus L. | AMPA10 |
| Amaranthus fimbriatus | Amaranthus fimbriatus (Torr.) Benth. ex S. Wats. var. fimbriatus (Torr.) Benth. ex S. Wats. [superfluous autonym] | AMFIF |
| Amaranthus floridanus | Acnida floridana S. Wats. | ACFL2 |
| Amaranthus greggii | Amaranthus annectens Blake | AMAN |
| Amaranthus greggii | Amaranthus myrianthus Standl. | AMMY |
| Amaranthus hybridus | Amaranthus chlorostachys Willd. | AMCH7 |
| Amaranthus hybridus | Amaranthus incurvatus Tim. ex Gren. & Godr. | AMIN6 |
| Amaranthus hybridus | Amaranthus patulus Bertol. | AMPA11 |
| Amaranthus hypochondriacus | Amaranthus hybridus L. ssp. hypochondriacus (L.) Thellung | AMHYH |
| Amaranthus hypochondriacus | Amaranthus leucocarpus S. Wats. | AMLE2 |
| Amaranthus polygonoides | Amaranthus berlandieri (Moq.) Uline & Bray | AMBE |
| Amaranthus polygonoides | Amaranthus polygonoides L. ssp. berlandieri (Moq.) Thellung | AMPOB |
| Amaranthus powellii ssp. bouchonii | Amaranthus bouchonii Thellung | AMBO |
| Amaranthus powellii ssp. powellii | Amaranthus bracteosus Uline & Bray | AMBR4 |
| Amaranthus powellii ssp. powellii | Amaranthus retroflexus L. var. powellii (S. Wats.) Boivin | AMREP |
| Amaranthus powellii ssp. powellii | Amaranthus viscidulus Greene | AMVI4 |
| Amaranthus retroflexus | Amaranthus retroflexus L. var. salicifolius I.M. Johnston | AMRES |
| Amaranthus tricolor | Amaranthus gangeticus L. | AMGA |
| Amaranthus tuberculatus | Acnida altissima (Riddell) Moq. ex Standl. | ACAL5 |
| Amaranthus tuberculatus | Acnida altissima (Riddell) Moq. ex Standl. var. prostrata (Uline & Bray) Fern. | ACALP |
| Amaranthus tuberculatus | Acnida altissima (Riddell) Moq. ex Standl. var. subnuda (S. Wats.) Fern. | ACALS |
| Amaranthus tuberculatus | Acnida concatenata (Moq.) Small | ACCO8 |
| Amaranthus tuberculatus | Acnida subnuda (S. Wats.) Standl. | ACSU |
| Amaranthus tuberculatus | Acnida tamariscina (Nutt.) Wood var. prostrata Uline & Bray | ACTAP |
| Amaranthus tuberculatus | Acnida tamariscina auct. non (Nutt.) Wood [misapplied] | ACTA |
| Amaranthus tuberculatus | Acnida tuberculata Moq. | ACTU |
| Amaranthus tuberculatus | Amaranthus altissimus Riddell | AMAL5 |
| Amaranthus tuberculatus | Amaranthus ambigens Standl. | AMAM7 |
| Amaranthus tuberculatus | Amaranthus rudis Sauer | AMRU |
| Amaranthus tuberculatus | Amaranthus tamariscinus auct. non Nutt. [misapplied] | AMTA3 |
| Amaranthus tuberculatus | Amaranthus tuberculatus (Moq.) Sauer var. prostratus (Uline & Bray) B.L. Robins. | AMTUP |
| Amaranthus tuberculatus | Amaranthus tuberculatus (Moq.) Sauer var. subnudus S. Wats. | AMTUS |
| Amaranthus venulosus | Amaranthus fimbriatus (Torr.) Benth. ex S. Wats. var. denticulatus (Torr.) Uline & Bray | AMFID |
| Amaranthus viridis | Amaranthus gracilis Desf. | AMGR10 |
| Amaranthus viridis | Amaranthus viridus L. [orthographic error] | AMVI5 |
| Amaranthus watsonii | Amaranthus torreyi auct. non (Gray) Benth. ex S. Wats. [misapplied] | AMTO |
| Arizona honeysweet | Tidestromia oblongifolia (S. Wats.) Standl. | TIOB |
| Arizona snakecotton | Froelichia arizonica Thornb. ex Standl. | FRAR2 |
| arrasa con todo | Gomphrena serrata L. | GOSE |
| Australian amaranth | Amaranthus lineatus R. Br. | AMLI2 |
| Bigelow's amaranth | Amaranthus bigelovii Uline & Bray | AMBI |
| bloodleaf | Iresine P. Br. | IRESI |
| blunt chaff flower | Achyranthes mutica Gray | ACMU2 |
| blutaparon | Blutaparon Raf. | BLUTA |
| Blutaparon vermiculare | Caraxeron vermiculare (L.) Raf. | CAVE13 |
| Blutaparon vermiculare | Cruzeta vermicularis (L.) G. Maza | CRVE10 |
| Blutaparon vermiculare | Lithophila vermicularis (L.) Uline ex Millsp. | LIVE7 |
| Blutaparon vermiculare | Philoxerus vermicularis (L.) R. Br. ex Sm. | PHVE |
| bonebract amaranth | Amaranthus scleropoides Uline & Bray | AMSC |
| Brazilian joyweed | Alternanthera brasiliana (L.) Kuntze | ALBR5 |
| broadleaf papala | Charpentiera obovata Gaud. | CHOB2 |
| Brown's amaranth | Amaranthus brownii Christoph. & Caum | AMBR5 |
| calicoplant | Alternanthera bettzichiana (Regel) Voss | ALBE |
| California amaranth | Amaranthus californicus (Moq.) S. Wats. | AMCA |
| carelessweed | Amaranthus palmeri S. Wats. | AMPA |
| Celosia argentea | Celosia argentea L. var. cristata (L.) Kuntze | CEARC |
| Celosia argentea | Celosia cristata L. | CECR2 |
| Celosia argentea | Celosia margaritacea L. | CEMA17 |
| chaff flower | Achyranthes L. | ACHYR2 |
| chamissoa | Chamissoa Kunth | CHAMI |
| Chamissoa altissima | Achyranthes altissima Jacq. | ACAL4 |
| Chamissoa altissima | Celosia paniculata L. 1763, non 1753 | CEPA10 |
| cock's comb | Celosia L. | CELOS |
| common globe amaranth | Gomphrena globosa L. | GOGL |
| cottonflower | Gossypianthus Hook. | GOSSY2 |
| crispleaf amaranth | Amaranthus crispus (Lesp. & Thev.) N. Terracc. | AMCR2 |
| cyathula | Cyathula Blume | CYATH2 |
| Cyathula prostrata | Achyranthes prostrata L. | ACPR2 |
| devil's horsewhip | Achyranthes aspera L. | ACAS |
| devil's horsewhip | Achyranthes aspera L. var. aspera | ACASA |
| devil's horsewhip | Achyranthes aspera L. var. pubescens (Moq.) Townsend | ACASP |
| Digera muricata | Digera arvensis Forssk. | DIAR14 |
| Drummond's snakecotton | Froelichia drummondii Moq. | FRDR |
| ellipticleaf papala | Charpentiera elliptica (Hbd.) Heller | CHEL |
| false amaranth | Digera muricata (L.) Mart. | DIMU8 |
| false chaff flower | Chamissoa altissima (Jacq.) Kunth | CHAL10 |
| fleshy honeysweet | Tidestromia carnosa (Steyermark) I.M. Johnston | TICA2 |
| Florida amaranth | Amaranthus floridanus (S. Wats.) Sauer | AMFL3 |
| fringed amaranth | Amaranthus fimbriatus (Torr.) Benth. ex S. Wats. | AMFI |
| fringed amaranth | Amaranthus venulosus S. Wats. | AMVE2 |
| Froelichia floridana var. campestris | Froelichia campestris Small | FRCA7 |
| Froelichia gracilis | Froelichia braunii Standl. | FRBR2 |
| Froelichia gracilis | Oplotheca gracilis Hook. | OPGR4 |
| globe amaranth | Gomphrena L. | GOMPH |
| globe amaranth | Gomphrena martiana Gill. ex Moq. | GOMA2 |
| Gomphrena caespitosa | Gomphrena viridis Woot. & Standl. | GOVI2 |
| Gomphrena haageana | Gomphrena tuberifera Torr. | GOTU |
| Gomphrena serrata | Gomphrena celosioides auct. non Mart. [misapplied] | GOCE |
| Gomphrena serrata | Gomphrena decumbens Jacq. | GODE6 |
| Gomphrena serrata | Gomphrena dispersa Standl. | GODI2 |
| Gossypianthus lanuginosus var. lanuginosus | Gossypianthus lanuginosus (Poir.) Moq. var. sheldonii Uline & Bray | GOLAS |
| Gossypianthus lanuginosus var. lanuginosus | Gossypianthus rigidiflorus Hook. | GORI |
| Gossypianthus lanuginosus var. lanuginosus | Gossypianthus sheldonii (Uline & Bray) Small | GOSH3 |
| Gossypianthus lanuginosus var. lanuginosus | Guilleminea lanuginosa (Poir.) Hook. f. | GULA |
| Gossypianthus lanuginosus var. lanuginosus | Guilleminea lanuginosa (Poir.) Hook. f. var. rigidiflora (Hook.) Mears | GULAR |
| Gossypianthus lanuginosus var. lanuginosus | Guilleminea lanuginosa (Poir.) Hook. f. var. sheldonii (Uline & Bray) Mears | GULAS |
| Gossypianthus lanuginosus var. tenuiflorus | Gossypianthus tenuiflorus Hook. | GOTE4 |
| Gossypianthus lanuginosus var. tenuiflorus | Guilleminea lanuginosa (Poir.) Hook. f. var. tenuiflora (Hook.) Mears | GULAT |
| greenstripe | Amaranthus acanthochiton Sauer | AMAC |
| Gregg's amaranth | Amaranthus greggii S. Wats. | AMGR2 |
| Guilleminea densa var. densa | Brayulinea densa (Humb. & Bonpl. ex Willd.) Small | BRDE6 |
| Guilleminea densa var. densa | Illecebrum densum Humb. & Bonpl. ex Willd. | ILDE2 |
| guineaflower | Hermbstaedtia odorata (Burchell) T. Cooke | HEOD |
| hairy joyweed | Alternanthera flavogrisea Urban | ALFL5 |
| Hassler's alternanthera | Alternanthera hassleriana Chodat ex Chodat & Hassler | ALHA3 |
| Hawai'i chaff flower | Achyranthes atollensis St. John | ACAT |
| Hawai'i rockwort | Nototrichium sandwicense (Gray) Hbd. | NOSA |
| Herbst's bloodleaf | Iresine herbstii Hook. | IRHE3 |
| hermbstaedtia | Hermbstaedtia Reichenb. | HERMB |
| Hermbstaedtia odorata | Hermbstaedtia elegans Moq. | HEEL5 |
| honeysweet | Tidestromia Standl. | TIDES |
| Iresine angustifolia | Iresine elatior A. Rich. ex Willd. | IREL2 |
| Iresine angustifolia | Iresine paniculata Poir. | IRPA8 |
| Iresine argentata | Trommsdorffia argentea Mart. | TRAR8 |
| Iresine diffusa | Iresine canescens Humb. & Bonpl. ex Willd. | IRCA5 |
| Iresine diffusa | Iresine celosia L. | IRCE5 |
| Iresine diffusa | Iresine celosioides L. | IRCE2 |
| Iresine diffusa | Iresine elongata Humb. & Bonpl. ex Willd. | IREL3 |
| Iresine diffusa | Iresine paniculata (L.) Kuntze, non Poir. | IRPA9 |
| Iresine flavescens | Iresine keyensis Millsp. | IRKE |
| Iresine leptoclada | Dicraurus leptocladus Hook. f. | DILE |
| Iresine palmeri | Hebanthe palmeri S. Wats. | HEPA16 |
| Iresine rhizomatosa | Iresine celosioides auct. non L. [misapplied] | IRCE3 |
| island puzzle | Aerva sericea Moq. | AESE |
| Japanese chaff flower | Achyranthes japonica (Miq.) Nakai | ACJA |
| Japanese chaff flower | Achyranthes japonica (Miq.) Nakai var. hachijoensis Honda | ACJAH |
| Java aerva | Aerva javanica (Burman f.) A. L. Juss. ex Schultes | AEJA |
| jojo | Pfaffia grandiflora (Hook.) R.E. Fries | PFGR |
| Joseph's-coat | Amaranthus tricolor L. | AMTR2 |
| joyweed | Alternanthera Forssk. | ALTER2 |
| Juba's bush | Iresine diffusa Humb. & Bonpl. ex Willd. | IRDI |
| Juda's bush | Iresine rhizomatosa Standl. | IRRH |
| kaala rockwort | Nototrichium humile Hbd. | NOHU |
| khakiweed | Alternanthera pungens Kunth | ALPU3 |
| Koolau Range papala | Charpentiera ovata Gaud. | CHOV2 |
| Koolau Range papala | Charpentiera ovata Gaud. var. niuensis Sohmer | CHOVN |
| Koolau Range papala | Charpentiera ovata Gaud. var. ovata | CHOVO |
| largefruit amaranth | Amaranthus deflexus L. | AMDE |
| Linden's bloodleaf | Iresine lindenii Van Houtte | IRLI |
| lithophila | Lithophila Sw. | LITHO4 |
| love-lies-bleeding | Amaranthus caudatus L. | AMCA3 |
| mat amaranth | Amaranthus blitoides S. Wats. | AMBL |
| matweed | Guilleminea Kunth | GUILL |
| Maui chaff flower | Achyranthes splendens Mart. ex Moq. | ACSP3 |
| Maui chaff flower | Achyranthes splendens Mart. ex Moq. var. rotundata Hbd. | ACSPR2 |
| Maui chaff flower | Achyranthes splendens Mart. ex Moq. var. splendens | ACSPS |
| Mediterranean amaranth | Amaranthus graecizans L. | AMGR13 |
| Na Pali rockwort | Nototrichium divaricatum D.H. Lorence | NODI |
| Napali coast papala | Charpentiera densiflora Sohmer | CHDE3 |
| Nealley's globe amaranth | Gomphrena nealleyi Coult. & Fisher | GONE |
| Nototrichium humile | Nototrichium humile Hbd. var. parvifolium O. Deg. & Sherff | NOHUP |
| Nototrichium humile | Nototrichium humile Hbd. var. subrhomboideum Sherff | NOHUS |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. decipiens Sherff | NOSAD |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. dubium Sherff | NOSAD2 |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. forbesii Sherff | NOSAF |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. helleri Sherff | NOSAH |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. kauaiense (Gray) Hbd. | NOSAK2 |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. kolekolense Sherff | NOSAK |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. lanaiense Sherff | NOSAL3 |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. lanceolatum Sherff | NOSAL4 |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. latifolium Sherff | NOSAL5 |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. leptopodum O. Deg. & Sherff | NOSAL |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. longispicatum Hbd. | NOSAL2 |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. macrophyllum Sherff | NOSAM |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. mauiense O. Deg. & Sherff | NOSAM2 |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. niihauense St. John | NOSAN |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. olokeleanum Sherff | NOSAO |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. pulchelloides O. Deg. & Sherff | NOSAP |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. pulchellum Sherff | NOSAP2 |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. subcordatum O. Deg. & Sherff | NOSAS |
| Nototrichium sandwicense | Nototrichium sandwicense (Gray) Hbd. var. syringifolium Sherff | NOSAS2 |
| Nototrichium sandwicense | Nototrichium viride Hbd. | NOVI |
| Nototrichium sandwicense | Nototrichium viride Hbd. var. kalaupapae St. John | NOVIK |
| Nototrichium sandwicense | Nototrichium viride Hbd. var. oblongifolium Sherff | NOVIO |
| Nototrichium sandwicense | Nototrichium viride Hbd. var. subtruncatum Sherff | NOVIS |
| Palmer's bloodleaf | Iresine palmeri (S. Wats.) Standl. | IRPA |
| Palmer's cock's comb | Celosia palmeri S. Wats. | CEPA5 |
| papala | Charpentiera Gaud. | CHARP |
| pastureweed | Cyathula prostrata (L.) Blume | CYPR10 |
| pearly globe amaranth | Gomphrena nitida Rothrock | GONI |
| pfaffia | Pfaffia Mart. | PFAFF |
| Pfaffia grandiflora | Iresine grandiflora Hook. | IRGR |
| philoxerus | Philoxerus portulacoides A. St. Hil. | PHPO11 |
| philoxerus | Philoxerus R. Br. | PHILO4 |
| pigweed | Amaranthus L. | AMARA |
| plains snakecotton | Froelichia floridana (Nutt.) Moq. | FRFL |
| plains snakecotton | Froelichia floridana (Nutt.) Moq. var. campestris (Small) Fern. | FRFLC |
| plains snakecotton | Froelichia floridana (Nutt.) Moq. var. floridana | FRFLF |
| Powell's amaranth | Amaranthus powellii S. Wats. | AMPO2 |
| Powell's amaranth | Amaranthus powellii S. Wats. ssp. powellii | AMPOP |
| Prince-of-Wales feather | Amaranthus hypochondriacus L. | AMHY2 |
| Pringle's amaranth | Amaranthus pringlei S. Wats. | AMPR |
| prostrate pigweed | Amaranthus albus L. | AMAL |
| purple amaranth | Amaranthus blitum L. | AMBL2 |
| purple amaranth | Amaranthus blitum L. var. blitum | AMBLB |
| red amaranth | Amaranthus cruentus L. | AMCR4 |
| redroot amaranth | Amaranthus retroflexus L. | AMRE |
| Rio Grande globe amaranth | Gomphrena haageana Klotzsch | GOHA |
| rockwort | Nototrichium (Gray) Hbd. | NOTOT |
| roughfruit amaranth | Amaranthus tuberculatus (Moq.) Sauer | AMTU |
| sandhill amaranth | Amaranthus arenicola I.M. Johnston | AMAR |
| sanguinaria | Alternanthera ficoidea (L.) Beauv. | ALFI8 |
| seaside amaranth | Amaranthus pumilus Raf. | AMPU2 |
| seaside joyweed | Alternanthera maritima (Mart.) St.-Hil. | ALMA10 |
| sessile joyweed | Alternanthera sessilis (L.) R. Br. ex DC. | ALSE4 |
| shrubby honeysweet | Tidestromia suffruticosa (Torr.) Standl. | TISU |
| silver cock's comb | Celosia argentea L. | CEAR3 |
| silverhead | Blutaparon vermiculare (L.) Mears | BLVE |
| slender amaranth | Amaranthus viridis L. | AMVI |
| slender snakecotton | Froelichia gracilis (Nutt.) Moq. | FRGR3 |
| slim amaranth | Amaranthus hybridus L. | AMHY |
| small matweed | Guilleminea densa (Humb. & Bonpl. ex J.A. Schultes) Moq. | GUDE |
| small matweed | Guilleminea densa (Humb. & Bonpl. ex J.A. Schultes) Moq. var. aggregata Uline & Bray | GUDEA |
| small matweed | Guilleminea densa (Humb. & Bonpl. ex J.A. Schultes) Moq. var. densa | GUDED |
| smooth joyweed | Alternanthera paronichyoides St.-Hil. | ALPA17 |
| smooth joyweed | Alternanthera paronichyoides St.-Hil. var. amazonica Huber | ALPAA2 |
| smooth joyweed | Alternanthera paronichyoides St.-Hil. var. paronichyoides | ALPAP |
| snakecotton | Froelichia Moench | FROEL |
| Sonoran globe amaranth | Gomphrena sonorae Torr. | GOSO |
| southern amaranth | Amaranthus australis (Gray) Sauer | AMAU |
| spiny amaranth | Amaranthus spinosus L. | AMSP |
| spleen amaranth | Amaranthus dubius Mart. ex Thellung | AMDU |
| spreading amaranth | Amaranthus crassipes Schlecht. | AMCR |
| spreading amaranth | Amaranthus crassipes Schlecht. var. crassipes | AMCRC |
| Standley's bloodleaf | Iresine heterophylla Standl. | IRHE |
| talustuft | Lithophila muscoides Sw. | LIMU4 |
| Texas shrub | Iresine leptoclada (Hook. f.) Henrickson & Sundberg | IRLE |
| Texas snakecotton | Froelichia interrupta (L.) Moq. | FRIN |
| Thunberg's amaranthus | Amaranthus thunbergii Moq. | AMTH2 |
| tidalmarsh amaranth | Amaranthus cannabinus (L.) Sauer | AMCA2 |
| Tidestromia carnosa | Tidestromia lanuginosa (Nutt.) Standl. var. carnosa (Steyermark) Cory | TILAC |
| Tidestromia lanuginosa | Cladothrix lanuginosa Nutt. | CLLA7 |
| Torrey's amaranthus | Amaranthus torreyi (Gray) Benth. ex S. Wats. | AMTO6 |
| Trans-Pecos amaranth | Amaranthus obcordatus (Gray) Standl. | AMOB |
| TransPecos honeysweet | Tidestromia gemmata I.M. Johnston | TIGE |
| tropical amaranth | Amaranthus polygonoides L. | AMPO |
| tropical bloodleaf | Iresine argentata (Mart.) D. Dietr. | IRAR |
| tufted globe amaranth | Gomphrena caespitosa Torr. | GOCA |
| Waianae Range papala | Charpentiera tomentosa Sohmer | CHTO3 |
| Waianae Range papala | Charpentiera tomentosa Sohmer var. maakuaensis Sohmer | CHTOM |
| Waianae Range papala | Charpentiera tomentosa Sohmer var. tomentosa | CHTOT |
| washerwoman | Alternanthera caracasana Kunth | ALCA5 |
| Watson's amaranth | Amaranthus watsonii Standl. | AMWA |
| West Indian cock's comb | Celosia nitida Vahl | CENI |
| West Indian joyweed | Alternanthera crucis (Moq.) Boldingh | ALCR8 |
| white snowplant | Iresine angustifolia Euph. | IRAN |
| woolflower | Celosia trigyna L. | CETR7 |
| woolly cottonflower | Gossypianthus lanuginosus (Poir.) Moq. | GOLA2 |
| woolly cottonflower | Gossypianthus lanuginosus (Poir.) Moq. var. lanuginosus | GOLAL |
| woolly cottonflower | Gossypianthus lanuginosus (Poir.) Moq. var. tenuiflorus (Hook.) Mears ex Henrickson | GOLAT |
| woolly tidestromia | Tidestromia lanuginosa (Nutt.) Standl. | TILA2 |
| Wright's amaranth | Amaranthus wrightii S. Wats. | AMWR |
| yellow bloodleaf | Iresine flavescens Humb. & Bonpl. ex Willd. | IRFL |
| yellow joyweed | Alternanthera flavescens Kunth | ALFL |