| Common Name | Scientific Name | Code |
| African dry rock moss | Grimmia pulvinata (Hedw.) Sm. var. africana (Hedw.) Hook. f. | GRPUA |
| Agassiz's schistidium moss | Schistidium agassizii Sull. & Lesq. in Sull. | SCAG70 |
| American dry rock moss | Grimmia americana Bartr. | GRAM2 |
| aquatic racomitrium moss | Racomitrium aquaticum (Brid. ex Schrad.) Brid. | RAAQ2 |
| Arizonia dry rock moss | Grimmia arizonae Ren. & Card. | GRAR5 |
| Britton's dry rock moss | Grimmia brittoniae Williams | GRBR4 |
| Coscinodon calyptratus | Grimmia calyptrata Hook. in Drumm. | GRCA70 |
| Coscinodon cribrosus | Grimmia cribrosa Hedw. | GRCR70 |
| coscinodon moss | Coscinodon arctolimnius (Steere) Steere | COAR14 |
| coscinodon moss | Coscinodon calyptratus (Hook. in Drumm.) C. Jens. ex Kindb. | COCA70 |
| coscinodon moss | Coscinodon cribrosus (Hedw.) Spruce | COCR70 |
| coscinodon moss | Coscinodon Spreng. | COSCI2 |
| Donn's dry rock moss | Grimmia donniana Sm. | GRDO |
| dryptodon moss | Dryptodon Brid. | DRYPT |
| dryptodon moss | Dryptodon patens (Hedw.) Brid. | DRPA9 |
| Dryptodon patens | Grimmia curvata (Brid.) De Sloover | GRCU4 |
| Dryptodon patens | Grimmia patens (Hedw.) Bruch & Schimp. in B.S.G. | GRPA6 |
| Dryptodon patens | Racomitrium patens (Hedw.) H?b. | RAPA11 |
| elongate racomitrium moss | Racomitrium elongatum Ehrh. ex Frisv. | RAEL3 |
| Flett's dry rock moss | Grimmia torquata Hornsch. in Grev. var. flettii (Holz.) Vaar. | GRTOF |
| Grimmia anomala | Grimmia hartmanii Schimp. var. anomala (Hampe ex Schimp.) M?nk. | GRHAA |
| Grimmia donniana | Grimmia donniana Sm. var. triformis (Carest. & De Not. in De Not.) Loeske | GRDOT |
| grimmia dry rock moss | Grimmia affinis Hoppe & Hornsch. ex Hornsch. | GRAF70 |
| grimmia dry rock moss | Grimmia anodon Bruch & Schimp. in B.S.G. | GRAN70 |
| grimmia dry rock moss | Grimmia anomala Hampe ex Schimp. | GRAN3 |
| grimmia dry rock moss | Grimmia atrata Miel. ex Hornsch. | GRAT2 |
| grimmia dry rock moss | Grimmia brevirostris Williams | GRBR3 |
| grimmia dry rock moss | Grimmia elatior Bruch ex Bals. & De Not. | GREL2 |
| grimmia dry rock moss | Grimmia elongata Kaulf. in Sturm | GREL3 |
| grimmia dry rock moss | Grimmia funalis (Schwaegr.) Bruch & Schimp. in B.S.G. | GRFU |
| grimmia dry rock moss | Grimmia hamulosa Lesq. | GRHA5 |
| grimmia dry rock moss | Grimmia Hedw. | GRIMM2 |
| grimmia dry rock moss | Grimmia incurva Schwaegr. | GRIN9 |
| grimmia dry rock moss | Grimmia laevigata (Brid.) Brid. | GRLA5 |
| grimmia dry rock moss | Grimmia mariniana Sayre | GRMA4 |
| grimmia dry rock moss | Grimmia mollis Bruch & Schimp. in B.S.G. | GRMO4 |
| grimmia dry rock moss | Grimmia pilifera P. Beauv. | GRPI3 |
| grimmia dry rock moss | Grimmia plagiopodia Hedw. | GRPL70 |
| grimmia dry rock moss | Grimmia poecilostoma Card. & Seb. in Seb. | GRPO2 |
| grimmia dry rock moss | Grimmia tenerrima Ren. & Card. | GRTE4 |
| grimmia dry rock moss | Grimmia teretinervis Limpr. | GRTE5 |
| grimmia dry rock moss | Grimmia torngakiana Brass. & Hedderson | GRTO2 |
| grimmia dry rock moss | Grimmia torquata Hornsch. in Grev. | GRTO4 |
| grimmia dry rock moss | Grimmia torquata Hornsch. in Grev. var. torquata | GRTOT |
| grimmia dry rock moss | Grimmia trichophylla Grev. | GRTR3 |
| Grimmia laevigata | Grimmia glauca sensu G. Jones in Grout | GRGL3 |
| Grimmia mollis | Hydrogrimmia mollis (Bruch & Schimp. in B.S.G.) Loeske | HYMO10 |
| Grimmia ovalis | Grimmia commutata H?b. | GRCO7 |
| Grimmia pulvinata var. pulvinata | Grimmia decipiens auct. Amer. var. hendersonii (Ren. & Card.) Sayre in Crum, Steere & Anderson | GRDEH |
| Grimmia pulvinata var. pulvinata | Grimmia hendersonii Ren. & Card. | GRHE5 |
| Grimmia pulvinata var. pulvinata | Grimmia indianensis (Sayre) Crum | GRIN10 |
| Grimmia pulvinata var. pulvinata | Grimmia trichophylla Grev. var. indianensis Sayre | GRTRI |
| Grimmia tenerrima | Grimmia alpestris (Web. & Mohr) Schleich. | GRAL |
| Grimmia tenerrima | Grimmia alpestris (Web. & Mohr) Schleich. var. caespiticia (Brid.) G. Jones in Grout | GRALC |
| Grimmia tenerrima | Grimmia alpestris (Web. & Mohr) Schleich. var. holzingeri (Card. & Th?r.) G. Jones in Grout | GRALH |
| Grimmia tenerrima | Grimmia alpestris (Web. & Mohr) Schleich. var. manniae (C. M?ll.) G. Jones in Grout | GRALM |
| Grimmia tenerrima | Grimmia alpestris (Web. & Mohr) Schleich. var. microstoma Bruch & Schimp. in B.S.G. | GRALM2 |
| Grimmia tenerrima | Grimmia donniana Sm. var. holzingeri (Card. & Th?r.) Wijk & Marg. | GRDOH |
| Grimmia tenerrima | Grimmia donniana Sm. var. manniae (C. M?ll.) Wijk & Marg. | GRDOM |
| Grimmia tenerrima | Grimmia sessitana De Not. var. subsulcata (Limpr.) Breidl. | GRSES |
| Grimmia tenerrima | Schistidium tenerrimum (Ren. & Card.) G. Roth | SCTE12 |
| Grimmia teretinervis | Schistidium teretinerve (Limpr.) Limpr. | SCTE13 |
| Grimmia torquata var. flettii | Grimmia flettii (Holz.) Card. in Holz. | GRFL6 |
| Grimmia trichophylla | Grimmia decipiens auct. Amer. | GRDE4 |
| Grimmia trichophylla | Grimmia densa Kindb. | GRDE5 |
| Grimmia trichophylla | Grimmia leibergii Par. | GRLE5 |
| Grimmia trichophylla | Grimmia trichophylla Grev. var. brachycarpa De Not. | GRTRB |
| Grimmia trichophylla | Grimmia trichophylla Grev. var. meridionalis C. M?ll. | GRTRM |
| Hartman's dry rock moss | Grimmia hartmanii Schimp. | GRHA6 |
| Herman's dry rock moss | Grimmia hermanii Crum | GRHE4 |
| indusiella moss | Indusiella Broth. & C. M?ll. in Broth. | INDUS |
| indusiella moss | Indusiella thianschanica Broth. & C. M?ll. in Broth. | INTH |
| jaffueliobryum moss | Jaffueliobryum raui (Aust.) Th?r. | JARA |
| jaffueliobryum moss | Jaffueliobryum Th?r. | JAFFU |
| Jaffueliobryum raui | Coscinodon raui (Aust.) Lesq. & James | CORA11 |
| Jaffueliobryum raui | Grimmia raui Aust. | GRRA2 |
| Jaffueliobryum wrightii | Coscinodon wrightii Sull. in Gray | COWR5 |
| Jaffueliobryum wrightii | Grimmia wrightii (Sull. in Gray) Aust. | GRWR |
| Lawton's racomitrium moss | Racomitrium lawtonae Irel. | RALA8 |
| Macoun's racomitrium moss | Racomitrium macounii Kindb. in Mac. | RAMA9 |
| montane dry rock moss | Grimmia montana Bruch & Schimp. in B.S.G. | GRMO5 |
| Moxley's dry rock moss | Grimmia moxleyi Williams in Holz. | GRMO6 |
| obtuseleaf schistidium moss | Schistidium obtusifolium Irel. & Crum | SCOB4 |
| Olney's dry rock moss | Grimmia olneyi Sull. | GROL |
| onecolor dry rock moss | Grimmia unicolor Hook. in Grev. | GRUN |
| orb dry rock moss | Grimmia orbicularis Bruch ex Wils. | GROR2 |
| oval dry rock moss | Grimmia ovalis (Hedw.) Lindb. | GROV70 |
| Pacific racomitrium moss | Racomitrium pacificum Irel. & Spence | RAPA9 |
| Pansch's racomitrium moss | Racomitrium panschii (C. M?ll.) Kindb. | RAPA10 |
| pulvinate dry rock moss | Grimmia pulvinata (Hedw.) Sm. | GRPU |
| pulvinate dry rock moss | Grimmia pulvinata (Hedw.) Sm. var. pulvinata | GRPUP |
| pulvinate schistidium moss | Schistidium pulvinatum (Hedw.) Brid. | SCPU12 |
| pygmy racomitrium moss | Racomitrium pygmaeum Frisv. | RAPY2 |
| Racomitrium affine | Racomitrium heterostichum (Hedw.) Brid. var. affine (Schleich. ex Web. & Mohr) Lesq. | RAHEA |
| Racomitrium affine | Racomitrium heterostichum (Hedw.) Brid. var. alopecurum H?b. | RAHEA2 |
| Racomitrium brevipes | Racomitrium sudeticum (Funck) Bruch & Schimp. in B.S.G. | RASUB |
| Racomitrium canescens var. latifolium | Racomitrium canescens (Hedw.) Brid. ssp. latifolium (C. Jens. in Lange & C. Jens.) Frisv. | RACAL5 |
| Racomitrium ericoides | Racomitrium canescens (Hedw.) Brid. | RACAE |
| Racomitrium ericoides | Racomitrium canescens (Hedw.) Brid. var. strictum Schlieph. in Limpr. | RACAS2 |
| Racomitrium heterostichum | Racomitrium heterostichum (Hedw.) Brid. var. gracilescens Bruch & Schimp. in B.S.G. | RAHEG |
| Racomitrium lanuginosum | Racomitrium hypnoides Lindb. | RAHY5 |
| Racomitrium lanuginosum | Racomitrium lanuginosum (Hedw.) Brid. var. subimberbe (Hartm.) Lindb. | RALAS |
| Racomitrium macounii | Racomitrium heterostichum (Hedw.) Brid. var. macounii (Kindb. in Mac.) G. Jones in Grout | RAHEM |
| Racomitrium macounii | Racomitrium macounii Kindb. in Mac. ssp. alpinum (Lawt.) Frisv. | RAMAA2 |
| Racomitrium macounii | Racomitrium sudeticum (Funck) Bruch & Schimp. in B.S.G. | RASUA |
| Racomitrium microcarpon | Racomitrium heterostichum (Hedw.) Brid. var. microcarpon (Hedw.) Boul. | RAHEM2 |
| Racomitrium microcarpon | Racomitrium heterostichum (Hedw.) Brid. var. ramulosum (Lindb.) Corb. | RAHER |
| Racomitrium microcarpon | Racomitrium ramulosum Lindb. | RARA4 |
| racomitrium moss | Racomitrium aciculare (Hedw.) Brid. | RAAC4 |
| racomitrium moss | Racomitrium affine (Schleich. ex Web. & Mohr) Lindb. | RAAF2 |
| racomitrium moss | Racomitrium brevipes Kindb. in Mac. | RABR |
| racomitrium moss | Racomitrium brevisetum Lindb. | RABR2 |
| racomitrium moss | Racomitrium Brid. | RACOM |
| racomitrium moss | Racomitrium canescens (Hedw.) Brid. | RACA11 |
| racomitrium moss | Racomitrium canescens (Hedw.) Brid. var. canescens | RACAC5 |
| racomitrium moss | Racomitrium depressum Lesq. | RADE6 |
| racomitrium moss | Racomitrium ericoides (Web. ex Brid.) Brid. | RAER2 |
| racomitrium moss | Racomitrium fasciculare (Hedw.) Brid. | RAFA6 |
| racomitrium moss | Racomitrium heterostichum (Hedw.) Brid. | RAHE8 |
| racomitrium moss | Racomitrium lanuginosum (Hedw.) Brid. | RALA70 |
| racomitrium moss | Racomitrium microcarpon (Hedw.) Brid. | RAMI8 |
| racomitrium moss | Racomitrium muticum (Kindb. in Mac.) Frisv. | RAMU4 |
| racomitrium moss | Racomitrium obesum Frisv. | RAOB4 |
| racomitrium moss | Racomitrium sudeticum (Funck) Bruch & Schimp. in B.S.G. | RASU9 |
| racomitrium moss | Racomitrium varium (Mitt.) Jaeg. | RAVA3 |
| racomitrium moss | Racomitrium venustum Frisv. | RAVE2 |
| Racomitrium occidentale | Racomitrium heterostichum (Hedw.) Brid. var. occidentale Ren. & Card. | RAHEO |
| Racomitrium sudeticum | Racomitrium heterostichum (Hedw.) Brid. var. sudeticum (Funck) Bauer | RAHES |
| Schistidium agassizii | Grimmia agassizii (Sull. & Lesq. in Sull.) Jaeg. | GRAG |
| Schistidium agassizii | Grimmia alpicola Sw. ex Hedw. | GRAL70 |
| Schistidium agassizii | Schistidium alpicola (Hedw.) Limpr. | SCAL8 |
| Schistidium andreaeopsis | Schistidium holmenianum Steere & Brass. | SCHO4 |
| Schistidium apocarpum | Grimmia alpicola auct. Amer. var. dupretii (Th?r.) Crum | GRALD |
| Schistidium apocarpum | Grimmia apocarpa Hedw. | GRAP70 |
| Schistidium apocarpum | Grimmia apocarpa Hedw. var. ambigua (Sull.) G. Jones in Grout | GRAPA |
| Schistidium apocarpum | Grimmia apocarpa Hedw. var. atrofusca (Schimp.) Husn. | GRAPA2 |
| Schistidium apocarpum | Grimmia apocarpa Hedw. var. brunnescens (Limpr.) M?nk. | GRAPB |
| Schistidium apocarpum | Grimmia apocarpa Hedw. var. conferta (Funck) Spreng. | GRAPC |
| Schistidium apocarpum | Grimmia apocarpa Hedw. var. dupretii (Th?r.) Sayre | GRAPD |
| Schistidium apocarpum | Grimmia apocarpa Hedw. var. gracilis R?hl. | GRAPG |
| Schistidium apocarpum | Grimmia apocarpa Hedw. var. nigrescens Mol. | GRAPN |
| Schistidium apocarpum | Grimmia apocarpa Hedw. var. obscuroviridis Crum | GRAPO |
| Schistidium apocarpum | Grimmia apocarpa Hedw. var. stricta (Turn.) Hook. & Tayl. | GRAPS |
| Schistidium apocarpum | Grimmia apocarpa Hedw. var. tenerrima Nees & Hornsch. | GRAPT3 |
| Schistidium apocarpum | Grimmia atricha C. M?ll. & Kindb. in Mac. & Kindb. | GRAT3 |
| Schistidium apocarpum | Grimmia coloradensis Aust. | GRCO6 |
| Schistidium apocarpum | Grimmia dupretii Th?r. | GRDU3 |
| Schistidium apocarpum | Grimmia gracilis (Web. & Mohr ex Nees et al.) Schleich. ex Limpr. | GRGR4 |
| Schistidium apocarpum | Grimmia stricta Turn. | GRST5 |
| Schistidium apocarpum | Schistidium alpicola (Hedw.) Limpr. var. dupretii (Th?r.) Crum | SCALD |
| Schistidium apocarpum | Schistidium ambiguum Sull. | SCAM8 |
| Schistidium apocarpum | Schistidium apocarpum (Hedw.) Bruch & Schimp. in B.S.G. var. ambiguum (Sull.) G. Jones in Grout | SCAPA2 |
| Schistidium apocarpum | Schistidium apocarpum (Hedw.) Bruch & Schimp. in B.S.G. var. atrofuscum (Schimp.) C. Jens. ex Weim. | SCAPA3 |
| Schistidium apocarpum | Schistidium apocarpum (Hedw.) Bruch & Schimp. in B.S.G. var. brunnescens (Limpr.) Herz. | SCAPB |
| Schistidium apocarpum | Schistidium apocarpum (Hedw.) Bruch & Schimp. in B.S.G. var. confertum (Funck) H. M?ller | SCAPC |
| Schistidium apocarpum | Schistidium apocarpum (Hedw.) Bruch & Schimp. in B.S.G. var. dupretii (Th?r.) Wijk & Marg. | SCAPD |
| Schistidium apocarpum | Schistidium apocarpum (Hedw.) Bruch & Schimp. in B.S.G. var. gracile (Web. & Mohr ex Nees et al.) Bruch & Schimp. in B.S.G. | SCAPG |
| Schistidium apocarpum | Schistidium apocarpum (Hedw.) Bruch & Schimp. in B.S.G. var. nigrescens (Mol.) Loeske | SCAPN |
| Schistidium apocarpum | Schistidium apocarpum (Hedw.) Bruch & Schimp. in B.S.G. var. strictum (Turn.) Moore | SCAPS |
| Schistidium apocarpum | Schistidium atrofuscum (Schimp.) Limpr. | SCAT6 |
| Schistidium apocarpum | Schistidium brunnescens Limpr. | SCBR10 |
| Schistidium apocarpum | Schistidium gracile (Web. & Mohr ex Nees et al.) Schleich. ex Limpr. | SCGR6 |
| Schistidium apocarpum | Schistidium strictum (Turn.) T. Kop. & Isov. | SCST9 |
| Schistidium cinclidodonteum | Grimmia cinclidodontea C. M?ll. in R?ll | GRCI2 |
| Schistidium heterophyllum | Grimmia heterophylla Kindb. in Mac. & Kindb. | GRHE6 |
| Schistidium maritimum | Grimmia maritima Turn. | GRMA5 |
| schistidium moss | Schistidium andreaeopsis (C. M?ll.) Laz. | SCAN10 |
| schistidium moss | Schistidium apocarpum (Hedw.) Bruch & Schimp. in B.S.G. | SCAP70 |
| schistidium moss | Schistidium Brid. | SCHIS4 |
| schistidium moss | Schistidium cinclidodonteum (C. M?ll. in R?ll) Bremer | SCCI5 |
| schistidium moss | Schistidium cryptocarpum Nog. & Blum | SCCR5 |
| schistidium moss | Schistidium heterophyllum (Kindb. in Mac. & Kindb.) McIntosh | SCHE4 |
| schistidium moss | Schistidium tenerum (Zett.) Nyh. | SCTE11 |
| schistidium moss | Schistidium trichodon (Brid.) Poelt | SCTR7 |
| Schistidium obtusifolium | Grimmia subanodon Ochyra | GRSU11 |
| Schistidium occidentale | Grimmia alpicola auct. Amer. var. rivularis (Brid.) Wahlenb. | GRALA |
| Schistidium occidentale | Grimmia occidentalis Lawt. | GROC2 |
| Schistidium occidentale | Grimmia pacifica Lawt. | GRPA5 |
| Schistidium pulvinatum | Grimmia apocarpa Hedw. var. pulvinata (Hedw.) G. Jones in Grout | GRAPP |
| Schistidium pulvinatum | Grimmia flaccida (De Not.) Lindb. | GRFL5 |
| Schistidium pulvinatum | Grimmia hoffmannii C. M?ll. | GRHO3 |
| Schistidium pulvinatum | Grimmia sphaerica Schimp. | GRSP4 |
| Schistidium pulvinatum | Schistidium apocarpum (Hedw.) Bruch & Schimp. in B.S.G. var. pulvinatum (Hedw.) C. Jens. in Weim. | SCAPP |
| Schistidium rivulare var. latifolium | Grimmia alpicola auct. Amer. var. latifolia (Zett.) Moll. | GRALL |
| Schistidium rivulare var. latifolium | Grimmia platyphylla Mitt. | GRPL5 |
| Schistidium rivulare var. latifolium | Schistidium alpicola (Hedw.) Limpr. var. latifolia (Zett.) Limpr. | SCALL |
| Schistidium rivulare var. latifolium | Schistidium platyphyllum (Mitt.) Kindb. | SCPL4 |
| Schistidium rivulare var. latifolium | Schistidium rivulare (Brid.) Podp. ssp. latifolium (Zett.) Bremer | SCRIL2 |
| Schistidium rivulare var. rivulare | Grimmia alpicola auct. Amer. | GRAL2 |
| Schistidium rivulare var. rivulare | Grimmia alpicola auct. Amer. var. rivularis (Brid.) Wahlenb. | GRALR |
| Schistidium rivulare var. rivulare | Grimmia rivularis Brid. | GRRI2 |
| Schistidium rivulare var. rivulare | Schistidium alpicola (Hedw.) Limpr. var. rivulare (Brid.) Limpr. | SCALR |
| Schistidium rivulare var. rivulare | Schistidium alpicola auct. plur. | SCAL7 |
| Schistidium tenerum | Grimmia tenera Zett. | GRTE6 |
| Schistidium tenerum | Grimmia tenuicaulis Williams | GRTE7 |
| seaside schistidium moss | Schistidium maritimum (Turn.) Bruch & Schimp. in B.S.G. | SCMA9 |
| streamside schistidium moss | Schistidium rivulare (Brid.) Podp. | SCRI4 |
| streamside schistidium moss | Schistidium rivulare (Brid.) Podp. var. rivulare | SCRIR |
| western racomitrium moss | Racomitrium occidentale (Ren. & Card.) Ren. & Card. | RAOC2 |
| western schistidium moss | Schistidium occidentale (Lawt.) Churchill | SCOC9 |
| wideleaf racomitrium moss | Racomitrium canescens (Hedw.) Brid. var. latifolium C. Jens. | RACAL4 |
| wideleaf schistidium moss | Schistidium rivulare (Brid.) Podp. var. latifolium (Zett.) Crum & Anderson | SCRIL |
| Wright's jaffueliobryum moss | Jaffueliobryum wrightii (Sull. in Gray) Th?r. | JAWR |