Below is a working checklist of Mount Desert Island's mosses. Please send corrections and updates to info@vfthomas.com. Photographs are welcome. Thank you.
| Family | Genus | Specific Epithet | authority | common name | Source (full citation given after this table) |
| Amblystegiaceae | Amblystegium | serpens / var. juratzhanum | (Hedw.) BSG / (Schimp.) Rau & Herv. | ? | ANP (1994) |
| Amblystegiaceae | Amblystegium | serpens var. serpens | (Hedw.) BSG | ? | ANP (1994) |
| Amblystegiaceae | Calliergon | cordifolium | (Hedw.) Kindb. | ? | ANP (1994) |
| Amblystegiaceae | Calliergon | stramineum | (Brid.) Kindb. | ? | ANP (1994) |
| Amblystegiaceae | Campylium | chrysophyllum | (Brid.) J. Lange | ? | ANP (1994) |
| Amblystegiaceae | Campylium | hispidulum | (Brid.) Mitt. | ? | ANP (1994) |
| Amblystegiaceae | Campylium | polygamum | (BSG) C. Jens. | ? | ANP (1994) |
| Amblystegiaceae | Campylium | radicale | (P. Beauv.) Grout | ? | ANP (1994) |
| Amblystegiaceae | Campylium | stellatum | (Hedw.) C. Jens. | ? | ANP (1994) |
| Amblystegiaceae | Cratoneuron | filicinum | (Hedw.) Spruce | ? | ANP (1994) |
| Amblystegiaceae | Drepanocladus | aduncus var. aduncus | (Hedw.) Warnst. | ? | ANP (1994) |
| Amblystegiaceae | Hygroamblystegium | tenax | (Hedw.) Jenn. | ? | ANP (1994) |
| Amblystegiaceae | Hygrohypnum | eugyrium | (BSG) Loeske | ? | ANP (1994) |
| Amblystegiaceae | Hygrohypnum | micans | (Mitt.) Broth. | ? | ANP (1994) [see note 1 below] |
| Amblystegiaceae | Hygrohypnum | molle | (Dicks.) Loeske | ? | ANP (1994) [see note 1 below] |
| Amblystegiaceae | Hygrohypnum | ochraceum | (Turn. ex Wils.) Loeske | ? | ANP (1994) |
| Amblystegiaceae | Leptodictyum | humile | ? | ? | ANP (1994) |
| Amblystegiaceae | Leptodictyum | riparium | (Hedw.) Warnst. | ? | ANP (1994) |
| Amblystegiaceae | Platylomella | lescurii | (Sull.) Andr. | ? | ANP (1994) |
| Amblystegiaceae | Sanionia | uncinata | (Hedw.) Loeske | ? | ANP (1994) |
| Amblystegiaceae | Warnstorfia | fluitans | (Hedw.) Loeske | ? | ANP (1994) |
| Andreaeaceae | Andreaea | crassinervia | Bruch | ? | ANP (1994) |
| Andreaeaceae | Andreaea | rothii | F. Weber & D. Mohr | ? | ANP (1994) |
| Andreaeaceae | Andreaea | rupestris | Hedw. | ? | ANP (1994) |
| Anomodontaceae | Anomodon | attenuatus | (Hedw.) Hub. | ? | ANP (1994) |
| Anomodontaceae | Anomodon | rostratus | (Hedw.) Schimp. | ? | ANP (1994) |
| Anomodontaceae | Haplohymenium | triste | (Ces. ex De Not. | ? | ANP (1994) |
| Aulacomniaceae | Aulacomnium | androgynum | (Hedw.) Schwagr. | ? | ANP (1994) |
| Aulacomniaceae | Aulacomnium | palustre | (Hedw.) Schwagr. | ? | ANP (1994) |
| Aulacomniaceae | Aulacomnium | turgidum | (Wahlenb.) Schwagr. | ? | ANP (1994) |
| Bartramiaceae | Bartramia | pomiformis | Hedw. | ? | ANP (1994) |
| Bartramiaceae | Philonotis | fontana | (Hedw.) Brid. | ? | ANP (1994) |
| Bartramiaceae | Philonotis | muhlenbergii | Brid. | ? | ANP (1994) [see note 1 below] |
| Bartramiaceae | Plagiopus | oederianus | (Sw.) H. A. Crum & L. E. Anderson | ? | ANP (1994) |
| Brachytheciaceae | Brachythecium | acutum | (Mitt.) Sull. | ? | ANP (1994) |
| Brachytheciaceae | Brachythecium | campestre | (C. M.) BSG | ? | ANP (1994) |
| Brachytheciaceae | Brachythecium | digastrum | C. M. & Kindb. ex Macoun & Kindb. | ? | ANP (1994) |
| Brachytheciaceae | Brachythecium | erythrorrhizon | B. S. G. | ? | ANP (1994) [see note 1 below] |
| Brachytheciaceae | Brachythecium | oedipodium | (Mitt.) Jaeg. | ? | ANP (1994) [see note 1 below] |
| Brachytheciaceae | Brachythecium | plumosum | (Hedw.) BSG | ? | ANP (1994) |
| Brachytheciaceae | Brachythecium | reflexum | (Starke ex Web. & Mohr) BSG | ? | ANP (1994) |
| Brachytheciaceae | Brachythecium | rutabulum | (Hedw.) BSG | ? | ANP (1994) |
| Brachytheciaceae | Brachythecium | salebrosum | (Web. & Mohr) BSG | ? | ANP (1994) |
| Brachytheciaceae | Brachythecium | starkei | (Brid.) B. & S. | ? | ANP (1994) [see note 1 below] |
| Brachytheciaceae | Brachythecium | velutinum | (Hedw.) BSG | ? | ANP (1994) |
| Brachytheciaceae | Bryhnia | graminicolor | (Brid.) Grout | ? | ANP (1994) |
| Brachytheciaceae | Bryhnia | novae-angliae | (Sull. & Lesq. ex Sull.) Grout | ? | ANP (1994) |
| Brachytheciaceae | Eurhynchium | pulchellum | (Hedw.) Jenn. | ? | ANP (1994) |
| Brachytheciaceae | Eurhynchium | riparioides | (Hedw.) Rich. | ? | ANP (1994) [see note 1 below] |
| Brachytheciaceae | Isothecium | myosuroides | Brid. | ? | ANP (1994) [see note 1 below] |
| Brachytheciaceae | Steerecleus | serrulatus | ? | ? | ANP (1994) |
| Bryaceae | Bryum | argenteum | Hedw. | ? | ANP (1994) |
| Bryaceae | Bryum | caespiticium | Hedw. | ? | ANP (1994) |
| Bryaceae | Bryum | capillare | Hedw. | ? | ANP (1994) |
| Bryaceae | Bryum | lisae / var. cuspidatum | De Not. / (Bruch & Schimp.) Margad. | ? | ANP (1994) |
| Bryaceae | Bryum | miniatum | Lesq. | ? | ANP (1994) [see note 1 below] |
| Bryaceae | Bryum | pallens | Sw. | ? | ANP (1994) |
| Bryaceae | Bryum | pseudotriquetrum | (Hedw.) P. Gaertn., B. Mey. & Scherb. | ? | ANP (1994) |
| Bryaceae | Bryum | stenotrichum | C. M. | ? | ANP (1994) [see note 1 below] |
| Bryaceae | Bryum | turbinatum | (Hedw.) Turn. | ? | ANP (1994) [see note 1 below] |
| Bryaceae | Bryum | uliginosum | (Brid.) Bruch & Schimp. | ? | ANP (1994) |
| Bryaceae | Bryum | weigelii | Spreng. | ? | ANP (1994) |
| Bryaceae | Leptobryum | pyriforme | (Hedw.) Wilson | ? | ANP (1994) |
| Bryaceae | Pohlia | cruda | (Hedw.) Lindb. | ? | ANP (1994) |
| Bryaceae | Pohlia | nutans | (Hedw.) Lindb. | ? | ANP (1994) |
| Bryaceae | Pohlia | wahlenbergii | (F. Weber & D. Mohr) A. L. Andrews in Grout | ? | ANP (1994) |
| Climaciaceae | Climacium | americanum | Brid. | ? | ANP (1994) |
| Climaciaceae | Climacium | dendroides | (Hedw.) Web. & Mohr | ? | ANP (1994) |
| Dicranaceae | Dicranella | heteromalla | (Hedw.) Lindb. | ? | ANP (1994) |
| Dicranaceae | Dicranella | squarrosa | (Starke.) Schimp. | ? | ANP (1994) [see note 1 below] |
| Dicranaceae | Dicranella | varia | (With.) Schimp. | ? | ANP (1994) |
| Dicranaceae | Dicranodontium | denudatum | (Brid.) E. Britton in R. S. Williams | ? | ANP (1994) |
| Dicranaceae | Dicranum | flagellare | Hedw. | ? | ANP (1994) [see note 1 below] |
| Dicranaceae | Dicranum | fulvum | Hook. | ? | ANP (1994) [see note 1 below] |
| Dicranaceae | Dicranum (Spuria) | fuscescens | Turn. | ? | ANP (1994) |
| Dicranaceae | Dicranum (Dicranum) | majus | Turn. | ? | ANP (1994) |
| Dicranaceae | Dicranum | montanum | Hedw. | ? | ANP (1994) [see note 1 below] |
| Dicranaceae | Dicranum | muhlenbeckii | B. S. G. | ? | ANP (1994) [see note 1 below] |
| Dicranaceae | Dicranum (Spuria) | ontariense | W. L. Peterson | ? | ANP (1994) |
| Dicranaceae | Dicranum (Dicranum) | polysetum | Sw. | ? | ANP (1994) |
| Dicranaceae | Dicranum (Dicranum) | scoparium | Hedw. | ? | ANP (1994) |
| Dicranaceae | Dicranum (Spuria) | spurium | Hedw. | ? | ANP (1994) |
| Dicranaceae | Dicranum (Spuria) | undulatum | Brid. | ? | ANP (1994) |
| Dicranaceae | Oncophorus | wahlenbergii | Brid. | ? | ANP (1994) |
| Dicranaceae | Paraleucobryum | longifolium | (Hedw.) Loeske | ? | ANP (1994) |
| Dicranaceae | Rhabdoweisia | crispata | (With.) Lindb. | ? | ANP (1994) |
| Dicranaceae | Trematodon | ambiguus | (Hedw.) Hornsch. | ? | ANP (1994) [see note 1 below] |
| Diphysciaceae | Diphyscium | foliosum | (Hedw.) Mohr | ? | ANP (1994) [see note 1 below] |
| Ditrichaceae | Ceratodon | purpureus | (Hedw.) Brid. | ? | ANP (1994) |
| Ditrichaceae | Ditrichum | lineare | (Sw.) Lindb. | ? | ANP (1994) |
| Ditrichaceae | Ditrichum | pallidum | (Hedw.) Hampe | ? | ANP (1994) |
| Ditrichaceae | Pleuridium | subulatum | (Hedw.) Rabenh. | ? | ANP (1994) |
| Entodontaceae | Entodon | brevisetus | (Hook. & Wils. ex Wils.) Lindb. | ? | ANP (1994) [see note 1 below] |
| Fabroniaceae | Anacamptodon | splachnoides | (Froel. ex Brid.) Brid. | ? | ANP (1994) |
| Fissidentaceae | Fissidens | adianthoides | Hedw. | ? | ANP (1994) |
| Fissidentaceae | Fissidens | bushii | (Cardot & Ther.) Cardot & Ther. | ? | ANP (1994) |
| Fissidentaceae | Fissidens | dubius | P. Beauv. | ? | ANP (1994) |
| Fissidentaceae | Fissidens | osmundioides | Hedw. | ? | ANP (1994) |
| Fontinalaceae | Dichelyma | pallescens | BSG | ? | ANP (1994) |
| Fontinalaceae | Fontinalis | antipyretica var. antipyretica | Hedw. | ? | ANP (1994) |
| Fontinalaceae | Fontinalis | dalecarlica | BSG | ? | ANP (1994) |
| Fontinalaceae | Fontinalis | flaccida | Ren. & Card. | ? | ANP (1994) |
| Fontinalaceae | Fontinalis | novae-angliae var. novae-angliae | Sull. | ? | ANP (1994) |
| Fontinalaceae | Fontinalis | sullivantii | Lindb. | ? | ANP (1994) |
| Funariaceae | Funaria | hygrometrica | Hedw. | ? | ANP (1994) |
| Grimmiaceae | Grimmia | affinis | Hoppe & Hornsch. ex Hornsch. | ? | ANP (1994) [see note 1 below] |
| Grimmiaceae | Racomitrium | aciculare | (Hedw.) Brid. | ? | ANP (1994) |
| Grimmiaceae | Racomitrium | fasciculare | (Hedw.) Brid. | ? | ANP (1994) |
| Grimmiaceae | Racomitrium | heterostichum | (Hedw.) Brid. | ? | ANP (1994) [see note 1 below] |
| Grimmiaceae | Racomitrium | lanuginosum | (Hedw.) Brid. | ? | ANP (1994) |
| Grimmiaceae | Racomitrium | microcarpon | (Hedw.) Brid. | ? | ANP (1994) |
| Grimmiaceae | Racomitrium | sudeticum | (Funck) Bruch & Schimp. | ? | ANP (1994) |
| Grimmiaceae | Schistidium | rivulare | (Brid.) Podp. | ? | ANP (1994) |
| Grimmiaceae | Schistidium | apocarpum | (Hedw.) Burch & Schimp. in B. S. G. | ? | ANP (1994) [see note 1 below] |
| Grimmiaceae | Schistidium | maritima | (Turn.) Burch & Schimp. in B. S. G. | ? | ANP (1994) [see note 1 below] |
| Hedwigiaceae | Hedwigia | ciliata | (Hedw.) P.-Beauv. | ? | ANP (1994) |
| Hylocomiaceae | Hylocomium | splendens | (Hedw.) B. S. G. | ? | ANP (1994) [see note 1 below] |
| Hylocomiaceae | Pleurozium | schreberi | (Brid.) Mitt. | ? | ANP (1994) |
| Hylocomiaceae | Rhytidiadelphus | squarrosus | (Hedw.) Warnst. | ? | ANP (1994) |
| Hylocomiaceae | Rhytidiadelphus | triquetrus | (Hedw.) Warnst. | ? | ANP (1994) |
| Hylocomiaceae | Rhytidium | rugosum | (Hedw.) Kindb. | ? | ANP (1994) |
| Hypnaceae | Callicladium | haldanianum | (Grev.) Crum | ? | ANP (1994) |
| Hypnaceae | Herzogiella | striatella | (Brid.) Iwats. | ? | ANP (1994) |
| Hypnaceae | Herzogiella | turfacea | (Lindb.) Iwats. | ? | ANP (1994) |
| Hypnaceae | Homomallium | adnatum | (Hedw.) Broth. | ? | ANP (1994) |
| Hypnaceae | Hypnum | cupressiforme var. cupressiforme | Hedw. | ? | ANP (1994) |
| Hypnaceae | Hypnum | cupressiforme var. filiforme | Hedw. / ? | ? | ANP (1994) [see note 1 below] |
| Hypnaceae | Hypnum | curvifolium | Hedw. | ? | ANP (1994) |
| Hypnaceae | Hypnum | fertile | Sendtn. | ? | ANP (1994) |
| Hypnaceae | Hypnum | imponens | Hedw. | ? | ANP (1994) |
| Hypnaceae | Hypnum | lindbergii | Mitt. | ? | ANP (1994) |
| Hypnaceae | Hypnum | pallescens | (Hedw.) P.-Beauv. | ? | ANP (1994) |
| Hypnaceae | Isopterygium | tenerum | (Sw.) Mitt. | ? | ANP (1994) |
| Hypnaceae | Platydictya | jungermannioides | (Brid.) Crum | ? | ANP (1994) |
| Hypnaceae | Platygyrium | repens | (Brid.) BSG | ? | ANP (1994) |
| Hypnaceae | Pseudotaxiphyllium | elegans | (Brid.) Iwats. | ? | ANP (1994) [see note 1 below] |
| Hypnaceae | Ptilium | crista-castrensis | (Hedw.) De Not. | ? | ANP (1994) |
| Hypnaceae | Pylaisiella | intricata | (Hedw.) Grout | ? | ANP (1994) |
| Hypnaceae | Pylaisiella | selwynii | (Hedw.) Grout | ? | ANP (1994) |
| Hypnaceae | Pylaisiella | tenuirostris | (Bruch. & Schimp. ex Sull.) Buck | ? | ANP (1994) [see note 1 below] |
| Hypnaceae | Taxiphyllum | deplanatum | (Bruch & Schimp. ex Sull.) Fl. | ? | ANP (1994) |
| Leucobryaceae | Leucobryum | albidum | (Brid. ex P. Beauv.) Lindb. | ? | ANP (1994) |
| Leucobryaceae | Leucobryum | glaucum | (Hedw.) Angstr. ex Fr. | ? | ANP (1994) |
| Mniaceae | Cyrtomnium | hymenophylloides | (Hub.) Nuh ex T. Kop. | ? | ANP (1994) [see note 1 below] |
| Mniaceae | Mnium | hornum | Hedw. | ? | ANP (1994) [see note 1 below] |
| Mniaceae | Plagiomnium | affine | (Bland.) T. Kop. | ? | ANP (1994) [see note 1 below] |
| Mniaceae | Plagiomnium | ciliare | (C. Mill.) T. Kop. | ? | ANP (1994) [see note 1 below] |
| Mniaceae | Plagiomnium | cinclidioides | (Hub.) T. Kop. | ? | ANP (1994) [see note 1 below] |
| Mniaceae | Plagiomnium | cuspidatum | (Hedw.) T. Kop. | ? | ANP (1994) [see note 1 below] |
| Mniaceae | Plagiomnium | rostratum | (Schrad.) T. Kop. | ? | ANP (1994) [see note 1 below] |
| Mniaceae | Rhizomnium | magnifolium | (Horik.) T. Kop. | ? | ANP (1994) [see note 1 below] |
| Mniaceae | Rhizomnium | punctatum | (Hedw.) T. Kop. | ? | ANP (1994) [see note 1 below] |
| Neckeraceae | Homalia | trichomanoides | (Hedw.) BSG | ? | ANP (1994) |
| Neckeraceae | Neckera | complanata | (Hedw.) Hub. | ? | ANP (1994) [see note 1 below] |
| Neckeraceae | Neckera | pennata | Hedw. | ? | ANP (1994) |
| Orthotrichaceae | Amphidium | lapponicum | (Hedw.) Schimp. | ? | ANP (1994) [see note 1 below] |
| Orthotrichaceae | Amphidium | mougeotti | (Beuth.) Schimp. | ? | ANP (1994) [see note 1 below] |
| Orthotrichaceae | Orthotrichum | affine | Brid. | ? | ANP (1994) [see note 1 below] |
| Orthotrichaceae | Orthotrichum | anomalum | Hedw. | ? | ANP (1994) |
| Orthotrichaceae | Orthotrichum | pumilum | Sw. | ? | ANP (1994) |
| Orthotrichaceae | Orthotrichum | sordidum | Sull. & Lesq. ex Aust. | ? | ANP (1994) |
| Orthotrichaceae | Orthotrichum | stellatum | Brid. | ? | ANP (1994) |
| Orthotrichaceae | Orthotrichum | strangulatum | P.-Beauv. | ? | ANP (1994) |
| Orthotrichaceae | Ulota | coarctata | (P.-Beauv.) Hamm. | ? | ANP (1994) |
| Orthotrichaceae | Ulota | crispa | (Hedw.) Brid. | ? | ANP (1994) |
| Orthotrichaceae | Ulota | hutchinsiae | (Sm.) Hamm. | ? | ANP (1994) |
| Plagiotheciaceae | Plagiothecium | cavifolium | (Brid.) Iwats. | ? | ANP (1994) |
| Plagiotheciaceae | Plagiothecium | denticulatum | (Hedw.) BSG | ? | ANP (1994) |
| Plagiotheciaceae | Plagiothecium | laetum | BSG | ? | ANP (1994) |
| Polytrichaceae | Atrichum | angustatum | (Brid.) BSG | ? | ANP (1994) |
| Polytrichaceae | Atrichum | crispum | (James) Sull. | ? | ANP (1994) |
| Polytrichaceae | Atrichum | undulatum | (Hedw.) P.-Beauv.) | ? | ANP (1994) |
| Polytrichaceae | Pogonatum | pensilvanicum | (Hedw.) P.-Beauv. | ? | ANP (1994) |
| Polytrichaceae | Pogonatum | urnigerum | (Hedw.) P.-Beauv. | ? | ANP (1994) |
| Polytrichaceae | Polytrichastrum | apinum | (Hedw.) Rohl. | ? | ANP (1994) |
| Polytrichaceae | Polytrichum | commune var. commune | Hedw. | ? | ANP (1994) |
| Polytrichaceae | Polytrichum | commune / var. perigoniale | Hedw. / (Mx.) Hampe | ? | ANP (1994) |
| Polytrichaceae | Polytrichum | formosum | Hedw. | ? | ANP (1994) |
| Polytrichaceae | Polytrichum | juniperinum | Hedw. | ? | ANP (1994) |
| Polytrichaceae | Polytrichum | ohiense | Ren. & Card. | ? | ANP (1994) |
| Polytrichaceae | Polytrichum | pallidisetum | Funck | ? | ANP (1994) |
| Polytrichaceae | Polytrichum | piliferum | Hedw. | ? | ANP (1994) |
| Polytrichaceae | Polytrichum | strictum | Menz. ex Brid. | ? | ANP (1994) |
| Pottiaceae | Barbula | unguiculata | Hedw. | ? | ANP (1994) |
| Pottiaceae | Didymodon | asperifolius | (Mitt.) Crum, Steere & Anders. | ? | ANP (1994) [see note 1 below] |
| Pottiaceae | Didymodon | rigidulus | Hedw. | ? | ANP (1994) [see note 1 below] |
| Pottiaceae | Didymodon | vinealis var. luridus | ? / ? | ? | ANP (1994) [see note 1 below] |
| Pottiaceae | Phascum | cuspidatum | Hedw. | ? | ANP (1994) |
| Pottiaceae | Tortella | fragilis | (Drumm.) Limpr. | ? | ANP (1994) |
| Pottiaceae | Tortella | tortuosa | (Hedw.) Limpr. | ? | ANP (1994) |
| Pottiaceae | Tortula | ruralis | (Hedw.) Gaertn., Meyer & Scherb. | ? | ANP (1994) [see note 1 below] |
| Pottiaceae | Weissia | controversa | Hedw. | ? | ANP (1994) |
| Pterigynandraceae | Pterigynandrum | filiforme | Hedw. | ? | ANP (1994) |
| Schistostegaceae | Schistostega | pennata | (Hedw.) F. Weber & D. Mohr | ? | ANP (1994) |
| Seligeriaceae | Blindia | acuta | (Hedw.) Bruch & Schimp. | ? | ANP (1994) |
| Sematophyllaceae | Sematophyllum | marylandicum | (C. M.) E. G. Britt. | ? | ANP (1994) |
| Sphagnaceae | Sphagnum (Sphagnum) | affine | Renauld & Cardot | ? | ANP (1994) |
| Sphagnaceae | Sphagnum (Acutifolia) | capillifolium | (Ehrh.) Hedw. | ? | ANP (1994) |
| Sphagnaceae | Sphagnum (Sphagnum) | centrale | C. E. O. Jensen | ? | ANP (1994) |
| Sphagnaceae | Sphagnum (Rigida) | compactum | DC. in Lam. & DC. | ? | ANP (1994) |
| Sphagnaceae | Sphagnum (Cuspidata) | cuspidatum | Hoffm. | ? | ANP (1994) |
| Sphagnaceae | Sphagnum (Acutifolia) | fuscum | (Schimp.) H. Klinggr. | ? | ANP (1994) |
| Sphagnaceae | Sphagnum (Acutifolia) | girgensohnii | Russow | ? | ANP (1994) |
| Sphagnaceae | Sphagnum | imbricatum | Hornsch. ex Russ. | ? | ANP (1994) [see note 1 below] |
| Sphagnaceae | Sphagnum (Sphagnum) | magellanicum | Brid. | ? | ANP (1994) |
| Sphagnaceae | Sphagnum (Sphagnum) | palustre | L. | ? | ANP (1994) |
| Sphagnaceae | Sphagnum (Cuspidata) | pulchrum | (Lindb. ex Braithw.) Warnst. | ? | ANP (1994) |
| Sphagnaceae | Sphagnum (Acutifolia) | quinquefarium | (Lindb. ex Braithw.) Warnst. | ? | ANP (1994) |
| Sphagnaceae | Sphagnum (Acutifolia) | rubellum | Wilson | ? | ANP (1994) |
| Sphagnaceae | Sphagnum | subnitens | Russ. & Warnst. ex Warnst. | ? | ANP (1994) [see note 1 below] |
| Sphagnaceae | Sphagnum (Subsecunda) | subsecundum | Nees in Sturm | ? | ANP (1994) |
| Sphagnaceae | Sphagnum (Squarrosa) | teres | (Schimp.) Angstr. in C. Hartm. | ? | ANP (1994) |
| Sphagnaceae | Sphagnum (Cuspidata) | torreyanum | Sull. | ? | ANP (1994) |
| Splachnaceae | Splachnum | ampullaceum | Hedw. | ? | ANP (1994) |
| Tetraphidaceae | Tetraphis | pellucida | Hedw. | ? | ANP (1994) |
| Thuidiaceae | Myurella | sibirica | (C. Mull.) Reim | ? | ANP (1994) |
| Thuidiaceae | Thuidium | delicatulum var. delicatulum | (Hedw.) BSG | ? | ANP (1994) |
| Thuidiaceae | Thuidium | recognitum | (Hedw.) Lindb. | ? | ANP (1994) |