31
A very tentative and preliminary list of North American liverworts and hornworts, doubtless containing errors and omissions, but forming a basis for updating the spreadsheet of recognized genera and numbers of species, November 2010. Liverworts Blasiales Blasiaceae Blasia L. Blasia pusilla L. Fossombroniales Calyculariaceae Calycularia Mitt. Calycularia crispula Mitt. Calycularia laxa Lindb. & Arnell Fossombroniaceae Fossombronia Raddi Fossombronia alaskana Steere & Inoue Fossombronia brasiliensis Steph. Fossombronia cristula Austin Fossombronia foveolata Lindb. Fossombronia hispidissima Steph. Fossombronia lamellata Steph. Fossombronia macounii Austin Fossombronia marshii J. R. Bray & Stotler Fossombronia pusilla (L.) Dumort. Fossombronia longiseta (Austin) Austin Note: Fossombronia longiseta was based on a mixture of material belonging to three different species of Fossombronia; Schuster (1992a p. 395) lectotypified F. longiseta with the specimen of Austin, Hepaticae Boreali-Americani 118 at H. An SEM of one spore from this specimen was previously published by Scott and Pike (1988 fig. 19) and it is clearly F. pusilla. It is not at all clear why Doyle and Stotler (2006) apply the name to F. hispidissima.

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Page 1: A very tentative and preliminary list of North …...A very tentative and preliminary list of North American liverworts and hornworts, doubtless containing errors and omissions, but

A very tentative and preliminary list of North American liverworts and hornworts, doubtless containing errors and omissions, but forming a basis for updating the spreadsheet of recognized genera and numbers of species, November 2010.

Liverworts

BlasialesBlasiaceae

Blasia L.

Blasia pusilla L.

FossombronialesCalyculariaceae

Calycularia Mitt.

Calycularia crispula Mitt.

Calycularia laxa Lindb. & Arnell

Fossombroniaceae

Fossombronia Raddi

Fossombronia alaskana Steere & InoueFossombronia brasiliensis Steph.Fossombronia cristula AustinFossombronia foveolata Lindb.Fossombronia hispidissima Steph.Fossombronia lamellata Steph.Fossombronia macounii AustinFossombronia marshii J. R. Bray & StotlerFossombronia pusilla (L.) Dumort.

Fossombronia longiseta (Austin) AustinNote: Fossombronia longiseta was based on a mixture of material belonging to three

different species of Fossombronia; Schuster (1992a p. 395) lectotypified F. longiseta with the specimen of Austin, Hepaticae Boreali-Americani 118 at H. An SEM of one spore from this specimen was previously published by Scott and Pike (1988 fig. 19) and it is clearly F. pusilla. It is not at all clear why Doyle and Stotler (2006) apply the name to F. hispidissima.

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Fossombronia texana Lindb.Fossombronia wondraczekii (Corda) Dumort.Fossombronia zygospora R.M. Schust.

Petalophyllum Nees & Gottsche ex Lehm.

Petalophyllum ralfsii (Wilson) Nees & Gottsche ex Lehm.

Moerckiaceae

Moerckia Gottsche

Moerckia blyttii (Moerch) Brockm.Moerckia hibernica (Hook.) Gottsche

Pallaviciniaceae

Pallavicinia A. Gray, nom. cons.

Pallavicinia lyellii (Hook.) Carruth.

Pelliaceae

Pellia Raddi, nom. cons.

Pellia appalachiana R.M. Schust. (pro hybr.)Pellia endiviifolia (Dicks.) Dumort.Pellia endiviifolia (Dicks.) Dumort. ssp. alpicola R.M. Schust.Pellia endiviifolia (Dicks.) Dumort. ssp. endiviifoliaPellia epiphylla (L.) CordaPellia megaspora R.M. Schust.Pellia neesiana (Gottsche) Limpr.Pellia neesiana (Gottsche) Limpr. ssp. columbiana (Krajina & Brayshaw) R.M. Schust.Pellia neesiana (Gottsche) Limpr. ssp. neesiana

HaplomitrialesHaplomitriaceae

Haplomitrium Nees, nom. cons.

Haplomitrium hookeri (Sm.) NeesHaplomitrium hookeri (Sm.) Nees var. hookeri

JungermannialesAcrobolbaceae

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Acrobolbus Nees

Acrobolbus ciliatus (Mitt.) Schiffn.

Antheliaceae

Anthelia (Dumort.) Dumort.

Anthelia julacea (L.) Dumort.Anthelia juratzkana (Limpr.) Trevis.

Arnelliaceae

Arnellia Lindb.

Arnellia fennica (Gottsche) Lindb.

Calypogejaceae

Calypogeia Raddi, nom. cons.

Calypogeia fissa (L.) RaddiCalypogeia fissa (L.) Raddi ssp. fissaCalypogeia fissa (L.) Raddi ssp. neogaea R.M. Schust.Calypogeia integristipula Steph.Calypogeia muelleriana (Schiffn.) Müll. Frib.Calypogeia muelleriana (Schiffn.) Müll. Frib. ssp. blomquistii R.M. Schust.Calypogeia muelleriana (Schiffn.) Müll. Frib. ssp. muellerianaCalypogeia neesiana (C. Massal. & Carestia) Müll. Frib.Calypogeia peruviana Nees & Mont.Calypogeia sphagnicola (Arnell & J. Perss.) Warnst. & LoeskeCalypogeia suecica (Arnell & J. Perss.) Müll. Frib.Calypogeia sullivantii Austin

Eocalypogeia (R.M. Schust.) R.M. Schust. Fragmenta Floristica et Geobotanica 40: 861. 1995.

Eocalypogeia schusterana (S. Hatt. & Mizut.) R.M. Schust.Metacalypogeia schusterana S. Hatt. & Mizut.  Miscellanea Bryologica et Lichenologica 4:

121. 1967.

Cephaloziaceae

Cephalozia (Dumort. emend. Schiffn.) Dumort.

Cephalozia affinis Lindb. ex Steph.Cephalozia bicuspidata (L.) Dumort.Cephalozia bicuspidata (L.) Dumort. ssp. ambigua (C. Massal.) R.M. Schust.

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Cephalozia bicuspidata (L.) Dumort. ssp. bicuspidataCephalozia bicuspidata (L.) Dumort. ssp. lammersiana (Huebener) R.M. Schust.Cephalozia bicuspidata (L.) Dumort. ssp. otaruensis (Steph.) S. Hatt.Cephalozia catenulata (Huebener) Lindb.Cephalozia connivens (Dicks.) Lindb.Cephalozia connivens (Dicks.) Lindb. var. bifida R.M. Schust.Cephalozia connivens (Dicks.) Lindb. var. compacta (Warnst.) NicholsCephalozia connivens (Dicks.) Lindb. var. connivensCephalozia lacinulata J.B. Jack ex SpruceCephalozia leucantha SpruceCephalozia loitlesbergeri Schiffn.Cephalozia lunulifolia (Dumort.) Dumort.Cephalozia macounii (Austin) AustinCephalozia macrostachya Kaal.Cephalozia macrostachya Kaal. ssp. australis R.M. Schust.Cephalozia macrostachya Kaal. ssp. macrostachyaCephalozia pachycaulis R.M. Schust.Cephalozia pleniceps (Austin) Lindb.Cephalozia pleniceps (Austin) Lindb. var. caroliniana R.M. Schust.Cephalozia pleniceps (Austin) Lindb. var. plenicepsCephalozia pleniceps (Austin) Lindb. var. sphagnorum (C. Massal.) Jörg.

Cladopodiella H. Buch

Cladopodiella fluitans (Nees) H. BuchCladopodiella francisci (Hook.) H. Buch ex Jörg.

Hygrobiella Spruce

Hygrobiella laxifolia (Hook.) Spruce

Nowellia Mitt.

Nowellia curvifolia (Dicks.) Mitt.

Odontoschisma (Dumort.) Dumort.

Odontoschisma denudatum (Mart.) Dumort.Odontoschisma denudatum (Mart.) Dumort. var. denudatumOdontoschisma denudatum (Mart.) Dumort. var. laevissima R.M. Schust.Odontoschisma elongatum (Lindb.) A. EvansOdontoschisma gibbsiae A. EvansOdontoschisma macounii (Austin) Underw.Odontoschisma prostratum (Sw.) Trevis.Odontoschisma sphagni (Dicks.) Dumort.

Pleurocladula Grolle

Pleurocladula albescens (Hook.) Grolle

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Schofieldia J.D. Godfrey

Schofieldia monticola J.D. Godfrey

Cephaloziellaceae

Cephaloziella (Spruce) Schiffn., nom. cons.

Cephaloziella arctica Bryhn & DouinCephaloziella arctica Bryhn & Douin ssp. arcticaCephaloziella arctogena (R.M. Schust.) Konst.Cephaloziella aspericaulis Jörg.Cephaloziella biloba (Lindenb.) Müll. Frib.Cephaloziella brinkmani DouinCephaloziella dentata (Raddi) Mig.Cephaloziella divaricata (Sm.) Schiffn.Cephaloziella divaricata (Sm.) Schiffn. var. divaricataCephaloziella divaricata (Sm.) Schiffn. var. polystratosa (R.M. Schust. & Damsh.) Potemk.Cephaloziella divaricata (Sm.) Schiffn. var. scabra (M. Howe) SchljakovCephaloziella elachista (J.B. Jack) Schiffn.Cephaloziella elegans HeegCephaloziella grimsulana (J.B. Jack) Lacout.Cephaloziella grimsulana (J.B. Jack) Lacout. var. angustiloba (Douin) Jörg.Cephaloziella grimsulana (J.B. Jack) Lacout. var. grimsulanaCephaloziella hampeana (Nees) Schiffn.Cephaloziella hyalina DouinCephaloziella integerrima (Lindb.) Warnst.Cephaloziella mammillifera R.M. Schust. & Damsh.Cephaloziella massalongi (Spruce) Müll. Frib.Cephaloziella minima (Austin) DouinCephaloziella obtusilobula R.M. Schust.Cephaloziella patulifolia (Steph.) DouinCephaloziella phyllacantha (C. Massal. & Carestia) Müll. Frib.Cephaloziella rappii DouinCephaloziella rubella (Nees) Warnst.Cephaloziella rubella (Nees) Warnst. ssp. arctogena (Heeg) R.M. Schust.Cephaloziella rubella (Nees) Warnst. ssp. rubellaCephaloziella rubella (Nees) Warnst. ssp. rubella var. bifida (Schreb. ex Schmidel) DouinCephaloziella rubella (Nees) Warnst. ssp. rubella var. elgans (Austin) Müll. Frib.Cephaloziella rubella (Nees) Warnst. ssp. rubella var. pulchella (C.E.O. Jensen) R.M. Schust.Cephaloziella rubella (Nees) Warnst. ssp. rubella var. rubellaCephaloziella rubella (Nees) Warnst. ssp. rubella var. sullivantii (Austin) Müll. Frib.Cephaloziella spinicaulis DouinCephaloziella spinigera (Lindb.) Jörg.Cephaloziella stellulifera (Taylor) Schiffn.Cephaloziella turneri (Hook.) Müll. Frib.Cephaloziella uncinata R.M. Schust.Cephaloziella uncinata R.M. Schust. var. brevigyna R.M. Schust. & Damsh.Cephaloziella uncinata R.M. Schust. var. sphagnicola R.M. Schust.Cephaloziella uncinata R.M. Schust. var. uncinata

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Cylindrocolea R.M. Schust.

Cylindrocolea andersoni R.M. Schust.Cylindrocolea obliqua (Douin) R.M. Schust.Cylindrocolea rhizantha (Mont.) R.M. Schust.

Chonecoleaceae

Chonecolea Grolle

Chonecolea doellingeri (Nees) Grolle

Frullaniaceae

Frullania Raddi

Frullania appalachiana R.M. Schust.Frullania arietina TaylorFrullania asagrayana Mont.Frullania bolanderi AustinFrullania brittoniae A. EvansFrullania californica (Austin) A. EvansFrullania catalinae A. EvansFrullania chilcootiensis Steph.Frullania cobrensis Gottsche ex Steph.Frullania cucullata Lindenb. & GottscheFrullania donnellii AustinFrullania eboracensis GottscheFrullania ericoides (Nees) NeesFrullania franciscana M. HoweFrullania gibbosa NeesFrullania gymnotis Nees & Mont.Frullania hattoriana J.D. Godfrey & G. GodfreyFrullania inflata GottscheFrullania inflata Gottsche var. communis R.M. Schust.Frullania inflata Gottsche var. inflataFrullania jackii GottscheFrullania kunzei Lehm. & Lindenb.Frullania kunzei Lehm. & Lindenb. var. kunzeiFrullania kunzei Lehm. & Lindenb. var. maritima R.M. Schust.Frullania nisquallensis Sull.Frullania oakesiana AustinFrullania obcordata (Lehm. & Lindenb.) Lehm. & Lindenb.Frullania plana Sull.Frullania riojaneirensis (Raddi) SpruceFrullania riparia Hampe ex Lehm.Frullania sabaliana R.M. Schust.Frullania selwyniana PearsonFrullania stylifera (R.M. Schust.) R.M. Schust.Frullania taxodiocola R.M. Schust.

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Gyrothyraceae

Gyrothyra M. Howe

Gyrothyra underwoodiana M. Howe

GymnomitriaceaeApomarsupella R.M. Schust. J. Hattori Bot. Lab. 80: 79. 1996.

Apomarsupella revoluta (Nees) R.M. Schust. J. Hattori Bot. Lab. 80: 82. 1996.

Apomarsupella revoluta subsp. novoguineanensis R.M. Schust. J. Hattori Bot. Lab. 80: 90. f. 15--16. 1996.

Gymnomitrion Corda, nom. cons.Gymnomitrium Corda emend Mitt.

Gymnomitrion apiculatum (Schiffn.) Müll. Frib.Gymnomitrion concinnatum (Lightf.) CordaGymnomitrion corallioides NeesGymnomitrion laceratum (Steph.) Horik.Gymnomitrion mucrophorum R.M. Schust.Gymnomitrion obtusum (Lindb.) Pears.Gymnomitrion pacificum Grolle

Marsupella Dumort.

Marsupella adusta (Nees) SpruceMarsupella alpina (Gottsche ex Limpr.) BernetMarsupella arctica (Berggr.) Bryhn & Kaal.Marsupella boeckii (Austin) Lindb. ex Kaal.Marsupella bolanderi (Austin) Underw.Marsupella brevissima (Dumort.) GrolleMarsupella commutata (Limpr.) BernetMarsupella condensata (Ångstr.) Schiffn.Marsupella emarginata (Ehrh.) Dumort.Marsupella emarginata (Ehrh.) Dumort. ssp. emarginataMarsupella emarginata (Ehrh.) Dumort. ssp. emarginata var. aquatica (Ehrh.) Dumort.Marsupella emarginata (Ehrh.) Dumort. ssp. emarginata var. emarginataMarsupella emarginata (Ehrh.) Dumort. ssp. tubulosa (Steph.) N. Kitag.Marsupella emarginata (Ehrh.) Dumort. ssp. tubulosa (Steph.) N. Kitag. var. latiloba R.M.

Schust.Marsupella funckii (F. Weber & D. Mohr) Dumort.Marsupella paroica R.M. Schust.Marsupella revoluta (Nees) Dumort.Marsupella sparsifolia (Lindb.) Dumort.Marsupella sphacelata (Gieseke) Dumort.Marsupella spiniloba R.M. Schust. & Damsh.Marsupella sprucei (Limpr.) Bernet

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Nardia Gray Nat. Arr. Brit. Pl. 1: 694. 1821.

Nardia breidleri (Limpr.) Lindb. Helsingfors Dagblad 1880((311)): 2. 1880.Nardia compressa (Hook.) Gray Nat. Arr. Brit. Pl. 7: 784. 1821.Nardia geoscyphus (De Not.) Lindb. Not. Sällsk. Fauna Fl. Fenn. Förh. 13: 371. 1874.Nardia geoscyphus var. bifida R.M. Schust.Nardia geoscyphus var. geoscyphus Nardia insecta Lindb. Musci Scand. 8. 1879.Nardia lescurii (Austin) Underw. Bull. Illinois State Lab. Nat. Hist. 2: 115. 1884.Nardia scalaris (Schrad.) Gray Nat. Arr. Brit. Pl. 1: 694. 1821.

Prasanthus Lindb. Kongl. Svenska Vetenskapsakad. Handl. 23(5): 62. 1889.

Prasanthus suecicus Lindb. Kongl. Svenska Vetenskapsakad. Handl. 23(5): 62. 1889.

Solenostoma Mitt. J. Proc. Linn. Soc., Bot. 8: 51. 1865.Plectocolea Dum.Jungermannia s. lat. in part

Solenostoma caespiticium (Lindenb.) StephaniJungermannia caespiticia Lindenb.

Solenostoma crenuliformis (Aust.) Steph.Jungermannia crenuliformis Austin

Solenostoma fossombronioides (Austin) R.M. Schust. Hepat. Anthocerotae N. Amer. 2: 1027. 1969.Jungermannia fossombronioides Austin

Solenostoma gracillimum (Sm.) R.M. Schust., Nov. Stirp. Pug.Jungermannia gracillima Sm.

Solenostoma hyalinum (Lyell) Mitt. Nat. Hist. Azores 319. 1870.Jungermannia hyalina Lyell

Solenostoma obovatum (Nees) R.M. Schust. Hepat. Anthocerotae N. Amer. 1969.Jungermannia obovata Nees

Solenostoma obscurum (A. Evans) R.M. Schust. Rhodora 59: 252. 1957.Jungermannia evansii Vána

Solenostoma pyriflorum Stephani Sp. Hepat. 6: 83. 1917.Jungermannia pyriflora Steph.

Solenostoma pyriflorum subsp. pyriflorumJungermannia pyriflora Steph. ssp. pyriflora

Solenostoma pyriflorum subsp. purpureum R.M. Schust. & Damsh. Meddel. Grønland 199: 176. f. 12: 1--9. 1974.Jungermannia pyriflora Steph. ssp. purpurea (R.M. Schust. & Damsh.) Stotler & Stotl.-

Crand.Solenostoma pyriflorum var. innovatum R.M. Schust. & Damsh. Meddel. Grønland 199: 179. f.

12: 1--6. 1974.Jungermannia pyriflora Steph. ssp. purpurea (R.M. Schust. & Damsh.) Stotler & Stotl.-

Crand. var. innovata (R.M. Schust.) Stotler & Stotl.-Crand.Solenostoma rubrum (Gottsche ex Underw) R.M. Schust.

Jungermannia rubra Gottsche ex Underw.Solenostoma schusterianum (J.D. Godfrey & G. Godfrey) Vá?a, Hentschel & J. Heinrichs

Cryptog. Bryol. 31(2): 137. [2010].

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Jungermannia schusterana J.D. Godfrey & G. GodfreySolenostoma sphaerocarpum (Hook.) Stephani

Jungermannia sphaerocarpa Hook.Solenostoma subellipticum (Lindb. ex Heeg) R.M. Schust. Hepat. Anthocerotae N. Amer. 2: 1021.

1969.Jungermannia subelliptica (Lindb. ex Kaal.) Levier

Herbertaceae

Herbertus Gray

Herbertus aduncus (Dicks.) GrayHerbertus aduncus (Dicks.) Gray ssp. aduncusHerbertus aduncus (Dicks.) Gray ssp. tenuis H.A. Mill. & E.B. ScottHerbertus hawaiiensis H.A. Mill.Herbertus dicranus (Tayl. & Gott.) Trev.

Herbertus himalayanus auct., not (Steph.) H.A. Mill.Herbertus sakuraii (Warnst.) S. Hatt.Herbertus sakuraii (Warnst.) S. Hatt. ssp. articus Inoue & SteereHerbertus sakuraii (Warnst.) S. Hatt. ssp. sakuraiiHerbertus sendtneri (Nees) Lindb.Herbertus stramineus (Dumort.) Trevis.

Jamesoniellaceae

Jamesoniella (Spruce) Carrington

Jamesoniella autumnalis (DC.) Steph.Jamesoniella autumnalis (DC.) Steph. var. autumnalisJamesoniella autumnalis (DC.) Steph. var. heterostipa (A. Evans) Frye & L. ClarkJamesoniella autumnalis (DC.) Steph. var. myriocarpa (Brinkm.) Frye & L. ClarkJamesoniella autumnalis (DC.) Steph. var. nipponica (S. Hatt.) S. Hatt.Jamesoniella undulifolia (Nees) Müll. Frib.

Jubulaceae

Jubula Dumort., nom. cons.

Jubula pensylvanica (Steph.) A. Evans

JungermanniaceaeCryptocolea R.M. Schust. Amer. Midl. Naturalist 49: 414. 1953.

Cryptocolea imbricata R.M. Schust. Amer. Midl. Naturalist 49: 417. 1953.

Eremonotus Lindb. & Kaal. ex Pearson Hepat. Brit. Isl. 200. 1900.Anomomarsupella R.M. Schust. Nova Hedwigia 17: 78. 1969.

Eremonotus myriocarpus (Carrington) Pearson Hepat. Brit. Isl. 201. 1900.

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Anomomarsupella cephalozielloides R.M. Schust. Nova Hedwigia 17: 79. 1969.

Geocalyx Nees Naturgesch. Eur. Leberm. 1: 97. 1833.

Geocalyx graveolens (Schrad.) Nees Naturgesch. Eur. Leberm. 2: 397. 1836.

Harpanthus Nees Naturgesch. Eur. Leberm. 2: 351. 1836.

Harpanthus drummondii (Taylor) Grolle Oesterr. Bot. Z. 112: 274. 1965.

Harpanthus flotovianus (Nees) Nees Naturgesch. Eur. Leberm. 2: 353. 1836.

Harpanthus scutatus (F. Weber & D. Mohr) Spruce Trans. Bot. Soc. Edinburgh 3: 209. 1850.

Jungermannia L. 1753.Aplozia (Dumort.) Dumort.

Jungermannia atrovirens Dumort.Jungermannia tristis Nees

Jungermannia borealis Damsh. & VánaSolenostoma oblongifolium auct. not (K. Müll.); K. Müll.

Jungermannia confertissima NeesJungermannia exsertifolia Steph.Jungermannia exsertifolia Steph. ssp. cordifolia (Dumort.) VánaJungermannia exsertifolia Steph. ssp. cordifolia (Dumort.) Vána var. pendletonii (Pearson) VánaJungermannia karl-muelleri GrolleJungermannia karl-muelleri Grolle ssp. heteroicum (R.M. Schust.) Stotler & Stotl.-Crand.Jungermannia karl-muelleri Grolle ssp. karl-muelleriJungermannia polaris Lindb.Jungermannia pumila With.

Leiocolea (K. Müller) H. Buch Memoranda Soc. Fauna Fl. Fenn. 8: 288. 1933.Obtusifolium S. Arnell

Leiocolea badensis (Gottsche) Jörg. Norg. Leverm. 166. 1934.Lophozia badensis (Gottsche ex Rabenh.) Schiffn.Lophozia badensis (Gottsche ex Rabenh.) Schiffn. var. apiculata R.M. Schust.Lophozia badensis (Gottsche ex Rabenh.) Schiffn. var. badensis

Leiocolea bantriensis (Hook.) Joerg.Lophozia bantriensis (Hook.) Steph.Lophozia hornschuchiana (Nees) Schiffn.

Leiocolea collaris (Nees) Shljak.Lophozia collaris (Nees) Dumort.Leiocolea alpestris (F. Weber) Isov.Leiocolea muelleri (Nees ex Lindenb.) Joerg.

Leiocolea gillmanii (Aust.) A. EvansLophozia gillmanii (Austin) R.M. Schust.Lophozia gillmanii (Austin) R.M. Schust. var. ciliolata R.M. Schust.Lophozia gillmanii (Austin) R.M. Schust. var. gillmanii

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Leiocolea heterocolpos (Thed.) H. BuchLophozia heterocolpos (Thed. ex Hartm.) M. HoweLophozia heterocolpos (Thed. ex Hartm.) M. Howe var. arctica R.M. Schust. & Damsh.Lophozia heterocolpos (Thed. ex Hartm.) M. Howe var. harpanthoides (Bryhn & Kaal.)

R.M. Schust.Lophozia heterocolpos (Thed. ex Hartm.) M. Howe var. heterocolpos

Leiocolea obtusa (Lindb.) H. BuchLophozia obtusa (Lindb.) A. EvansObtusifolium obtusum (Lindb.) S. Arnell

Leiocolea rutheana (Limpr.) K. Müller Kleine Kryptogamenfl. 1: 40. 1940.Lophozia rutheana (Limpr.) M. Howe

Liochlaena Nees Syn. Hepat. 150. 1845.

Liochlaena lanceolata Nees Nat. Pflanzenfam. 1845.Jungermannia leiantha GrolleSolenostoma lanceolata (L.) Stephani

Liochlaena subulata (A. Evans) Schljakov Pechen. Mhi Severa SSSR 4: 71. 1981.Jungermannia subulata A. Evans

Mesoptychia (Lindb.) A. Evans Ottawa Naturalist 17: 15. 1903.

Mesoptychia sahlbergii (Lindb. & Arnell) A. Evans Ottawa Naturalist 17: 15. 1903.

Undescribed genus

Anonymus gemmiparus (A. Evans) uncombinedChiloscyphus gemmiparus A. Evans

Lejeuneaceae

Acrolejeunea (Spruce) Schiffn., nom. cons.

Acrolejeunea heterophylla (A. Evans) Grolle & Gradst.

Aphanolejeunea A. Evans

Aphanolejeunea cornutissima R.M. Schust.Aphanolejeunea diaphana (A. Evans) R.M. Schust.Aphanolejeunea diaphana (A. Evans) R.M. Schust. var. cristulata (R.M. Schust.) R.M. Schust.Aphanolejeunea diaphana (A. Evans) R.M. Schust. var. diaphanaAphanolejeunea ephemeroides R.M. Schust.Aphanolejeunea minuta R.M. Schust.Aphanolejeunea tuberculata (A. Evans) R.M. Schust.

Brachiolejeunea (Spruce) Schiffner Hepat. (Engl.-Prantl) 128. 1893 [1893].

Brachiolejeunea bahamensis A. Evans Bull. Torrey Bot. Club 35: 383. 1908.

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Brachiolejeunea corticalis (Lehm. & Lindenb.) Schiffner Hedwigia 33: 180. 1894.

Caudalejeunea (Spruce) Schiffn.

Caudalejeunea lehmanniana (Gottsche) A. Evans

Ceratolejeunea (Spruce) Schiffn.

Ceratolejeunea cubensis (Mont.) Schiffn.Ceratolejeunea laetefusca (Austin) R.M. Schust.Ceratolejeunea rubiginosa Steph.

Cheilolejeunea (Spruce) Schiffn.

Cheilolejeunea adnata (Kunze) GrolleCheilolejeunea clausa (Nees & Mont.) R.M. Schust.Cheilolejeunea evansii (M.S. Taylor) R.M. Schust.Cheilolejeunea myriantha (Nees & Mont.) R.M. Schust.Cheilolejeunea polyantha A. EvansCheilolejeunea polyantha A. Evans var. caduciloba R.M. Schust.Cheilolejeunea polyantha A. Evans var. polyanthaCheilolejeunea rigidula (Nees & Mont.) R.M. Schust.

Cololejeunea (Spruce) Schiffn.

Cololejeunea biddlecomiae (Austin) A. EvansCololejeunea cardiocarpa (Mont.) R.M. Schust.Cololejeunea contractiloba A. EvansCololejeunea macounii (Spruce ex Underw.) A. EvansCololejeunea minutissima (Sm.) Schiffn.Cololejeunea minutissima (Sm.) Schiffn. ssp. minutissimaCololejeunea minutissima (Sm.) Schiffn. ssp. myriocarpa (Nees & Mont.) R.M. Schust.Cololejeunea ornata A. EvansCololejeunea setiloba A. EvansCololejeunea subcristata A. Evans

Diplasiolejeunea (Spruce) Schiffn.

Diplasiolejeunea rudolphiana Steph.

Drepanolejeunea (Spruce) Schiffn.

Drepanolejeunea appalachiana R.M. Schust.Drepanolejeunea sabaliana R.M. Schust.

Harpalejeunea (Spruce) Schiffn.

Harpalejeunea ovata (Hook.) Schiffn.

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Harpalejeunea ovata (Hook.) Schiffn. ssp. integra R.M. Schust.Harpalejeunea stricta (Lindenb. & Gottsche) Steph.

Lejeunea Lib., nom. cons.Crossotolejeunea (Spruce) SchiffnerHygrolejeunea (Spruce) SchiffnerMicrolejeunea Stephani

Lejeunea alaskana (R.M. Schust. & Steere) Inoue & SteereHygrolejeunea alaskana R.M. Schust. & Steere  Bulletin of the Torrey Botanical Club 85:

190. 1958.Lejeunea autoica R.M. Schust.Lejeunea bermudiana (A. Evans) R.M. Schust.

Crossotolejeunea bermudiana A. EvansLejeunea blomquistii R.M. Schust.Lejeunea brittoniae (Evans) Grolle

Rectolejeunea brittoniae A. EvansLejeunea caespitosa Lindenb.Lejeunea calcicola R.M. Schust.Lejeunea calcicola R.M. Schust. var. calcicolaLejeunea cardoti Steph.Lejeunea cavifolia (Ehrh.) Lindb. emend. H. BuchLejeunea cladiophora (R.M. Schust.) R.M. Schust.Lejeunea cladogyna A. EvansLejeunea dimorphophylla R.M. Schust.Lejeunea evansiana (R.M. Schust.) Schaf.-Verw. Candollea 56: 64. 2001.

Rectolejeunea evansiana R.M. Schust.Lejeunea flava (Sw.) NeesLejeunea flava (Sw.) Nees ssp. flavaLejeunea floridana A. EvansLejeunea glaucescens GottscheLejeunea glaucescens Gottsche var. acrogyna R.M. Schust.Lejeunea glaucescens Gottsche var. glaucescensLejeunea glaucescens Gottsche var. obsoleta R.M. Schust.Lejeunea laetevirens Nees & Mont.

Microlejeunea laetevirens (Nees & Mont.) A. EvansLejeunea lamacerina (Steph.) Schiffn.Lejeunea lamacerina (Steph.) Schiffn. ssp. geminata R.M. Schust.Lejeunea maxonii (Evans) X.-L. He

Rectolejeunea maxonii A. EvansLejeunea minutiloba A. EvansLejeunea minutiloba A. Evans var. heterogyna R.M. Schust.Lejeunea minutiloba A. Evans var. minutilobaLejeunea phyllobola Nees & Mont.

Rectolejeunea phyllobola (Nees & Mont.) A. EvansLejeunea ruthii (A. Evans) R.M. Schust.

Microlejeunea ruthii A. EvansLejeunea ruthii (A. Evans) R.M. Schust. var. alata R.M. Schust.Lejeunea ruthii (A. Evans) R.M. Schust. var. ruthiiLejeunea sharpii (R.M. Schust.) R.M. Schust.Lejeunea spiniloba Lindenb. & Gott.

Rectolejeunea spiniloba (Lindenb. & Gottsche) R.M. Schust.Lejeunea trinitensis Lindenb. in G.L.N.

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Rectolejeunea pililoba (Spruce) R.M. Schust.Lejeunea ulicina (Taylor) Gottsche

Microlejeunea ulicina (Taylor) StephaniLejeunea ulicina (Taylor) Gottsche ssp. bullata (Taylor) R.M. Schust.

Microlejeunea bullata (Tayl.) Steph.Lejeunea ulicina (Taylor) Gottsche ssp. ulicina

Leptolejeunea (Spruce) Schiffn.

Leptolejeunea elliptica (Lehm. & Lindenb.) Schiffn.

Leucolejeunea A. Evans

Leucolejeunea clypeata (Schwein.) A. EvansLeucolejeunea conchifolia A. EvansLeucolejeunea unciloba (Lindenb.) A. EvansLeucolejeunea xanthocarpa (Lehm. & Lindenb.) A. Evans

Lopholejeunea (Spruce) Schiffn., nom. cons.

Lopholejeunea muelleriana (Gottsche) Schiffn.Lopholejeunea muelleriana (Gottsche) Schiffn. ssp. floridana R.M. Schust.Lopholejeunea subfusca (Nees) Schiffn.

Mastigolejeunea (Spruce) Schiffn.

Mastigolejeunea auriculata (Wilson & Hook.) Schiffn.

Neurolejeunea (Spruce) Schiffn.

Neurolejeunea breutelii (Gottsche) A. Evans

Rectolejeunea A. Evans

Rectolejeunea berteroana (Gottsche) A. Evans

Taxilejeunea (Spruce) Schiffn.

Taxilejeunea obtusangula (Spruce) A. Evans

Lepidoziaceae

Bazzania A. Gray, nom. cons.

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Bazzania ambigua (Lindenb.) Trevis.Bazzania denudata (Torr. ex Gottsche & Lindenb. & Nees) Trevis.Bazzania nudicaulis A. EvansBazzania pearsonii Steph.Bazzania tricrenata (Wahlenb.) Lindb.Bazzania trilobata (L.) A. GrayBazzania trilobata (L.) A. Gray var. depauperata (Müll. Frib.) GrolleBazzania trilobata (L.) A. Gray var. trilobata

Dendrobazzania R.M. Schust. & W.B. Schofield

Dendrobazzania griffithiana (Steph.) R.M. Schust. & W.B. Schofield

Kurzia G. MartensMicrolepidozia (Spruce) Jörg.

Kurzia makinoana (Steph.) GrolleKurzia pauciflora (Dicks.) GrolleKurzia setacea (Weber) GrolleKurzia sylvatica (A. Evans) GrolleKurzia trichoclados (Muell. Frib.) Grolle

Lepidozia (Dumort.) Dumort., nom. cons.

Lepidozia filamentosa (Lehm. & Lindenb.) Lindenb.Lepidozia reptans (L.) Dumort.Lepidozia sandvicensis Lindenb.

Telaranea Spruce ex Schiffn.

Telaranea nematodes (Gottsche ex Austin) M. Howe

Lophocoleaceae

Chiloscyphus Corda, nom. cons.Lophocolea (Dumort.) Dumort.

Chiloscyphus apalachicolus (R.M. Schust.) J.J. Engel & R.M. Schust. Nova Hedwigia 39: 410. 1984 [1985].Lophocolea apalachicola R.M. Schust.Note: This is surely a synonym of Lophocolea longiflora Hampe ex Gott. from the

Neotropics, which has never been transferred to Chiloscyphus.Chiloscyphus appalachianus (R.M. Schust.) J.J. Engel & R.M. Schust. Nova Hedwigia 39: 410.

1984 [1985].Lophocolea appalachiana R.M. Schust.

Chiloscyphus latifolius (Nees) J. J. Engel & R. M. Schust.Chiloscyphus cuspidatus (Nees) J. J. Engel & R. M. Schust.Lophocolea bidentata (L.) Dumort.

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Lophocolea cuspidata (Nees) Limpr.Chiloscyphus martianus (Nees) J.J. Engel & R.M. Schust. Nova Hedwigia 39: 419. 1984 [1985].

Lophocolea martiana NeesChiloscyphus minor (Nees) J.J. Engel & R.M. Schust. Nova Hedwigia 39: 419. 1984 [1985].

Lophocolea minor NeesChiloscyphus muricatus (Lehm.) J.J. Engel & R.M. Schust. Nova Hedwigia 39: 419. 1984

[1985].Lophocolea muricata (Lehm.) Nees

Chiloscyphus pallescens (Ehrh. ex Hoffm.) Dumort.Chiloscyphus pallescens (Ehrh. ex Hoffm.) Dumort. var. fragilis (Roth) Müll. Frib.Chiloscyphus pallescens (Ehrh. ex Hoffm.) Dumort. var. pallescensChiloscyphus polyanthos (L.) CordaChiloscyphus polyanthos (L.) Corda var. polyanthosChiloscyphus polyanthos (L.) Corda var. rivularis (Schrad.) NeesChiloscyphus profundus (Nees) J. J. Engel & R. M. Schust.

Lophocolea heterophylla (Schrad.) Dumort.Lophocolea heterophylla (Schrad.) Dumort. ssp. cladogyna R.M. Schust.Lophocolea heterophylla (Schrad.) Dumort. ssp. heterophylla

Leptoscyphus Mitt.

Leptoscyphus cuneifolius (Hook.) Mitt.

Mastigophoraceae

Mastigophora Nees, nom. cons.

Mastigophora woodsii (Hook.) Nees

Myliaceae

Mylia Gray, nom. cons.

Mylia anomala (Hook.) GrayMylia taylorii (Hook.) Gray

Plagiochilaceae

Pedinophyllum (Lindb.) Lindb.

Pedinophyllum interruptum (Nees) Kaal.

Plagiochila (Dumort.) Dumort., nom. cons.

Plagiochila arctica Bryhn & Kaal.Plagiochila arctica Bryhn & Kaal. var. arcticaPlagiochila arctica Bryhn & Kaal. var. intermedia R.M. Schust.Plagiochila arctica Bryhn & Kaal. var. subarctica (Jörg.) Inoue

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Plagiochila aspleniformis R.M. Schust.Plagiochila asplenioides (L.) Dumort.Plagiochila austinii A. EvansPlagiochila caduciloba H.L. Blomq.Plagiochila columbiana A. EvansPlagiochila crispata Gottsche

Plagiochila undata Sull. ssp. crispata (Gottsche) R.M. Schust.Plagiochila diffusa Steph.

Sometimes listed as a synonym of Plagiochila micropteryx Gott., but P. diffusa is recognized by Heinrichs et al., Bryologist 107: 489. 2004.

Plagiochila exigua Tayl.Plagiochila corniculata auct., non (Dumort.) Dumort.

Plagiochila floridana A. EvansPlagiochila invisa (R.M. Schust.) R.M. Schust.Plagiochila miradorensis GottschePlagiochila miradorensis Gottsche var. convoluta R.M. Schust.Plagiochila miradorensis Gottsche var. miradorensisPlagiochila montagnei Nees

Plagiochila hypnoides Lindenb.Plagiochila parvifolia Lindenb.

Plagiochila yokogurensis Steph.Plagiochila yokogurensis Steph. ssp. fragilifolia R.M. Schust.

Plagiochila patula (Sw.) Dum.Plagiochila dubia Lindenb. & GottschePlagiochila dubia Lindenb. & Gottsche var. dubiaPlagiochila dubia Lindenb. & Gottsche var. integrifolia R.M. Schust.

Plagiochila punctata (Tayl.) Tayl.Plagiochila porelloides (Torr. ex Nees) Lindenb.Plagiochila raddiana Lindenb.

Plagiochila ludoviciana Sull.Plagiochila satoi S. Hatt.Plagiochila schofieldiana InouePlagiochila semidecurrens Lehm. & Lindenb.Plagiochila semidecurrens Lehm. & Lindenb. var. alaskana (A. Evans) Inoue

Plagiochila alaskana A. EvansPlagiochila fryei A. Evans

Plagiochila semidecurrens Lehm. & Lindenb. var. semidecurrensPlagiochila retrorsa Gott.

Plagiochila sharpii H.L. Blomq.Plagiochila sharpii H.L. Blomq. ssp. sharpiiPlagiochila sharpii H.L. Blomq. ssp. yakusimensis (S. Hatt.) R.M. Schust.

Plagiochila sciophylla Nees ex Lindenb.Plagiochila acanthophylla GottschePlagiochila acanthophylla Gottsche ssp. ciliigera (R.M. Schust.) R.M. Schust. Plagiochila euryphyllon CarlPlagiochila euryphyllon Carl ssp. echinata (R.M. Schust.) Inoue

Plagiochila sullivantii Gottsche ex A. EvansPlagiochila sullivantii Gottsche ex A. Evans var. spinigera R.M. Schust.Plagiochila sullivantii Gottsche ex A. Evans var. sullivantiiPlagiochila undata Sull.Plagiochila virginica A. EvansPlagiochila virginica A. Evans var. caroliniana R.M. Schust.Plagiochila virginica A. Evans var. euryphylla R.M. Schust.Plagiochila virginica A. Evans var. virginica

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Pleuroziaceae

Pleurozia Dumort.

Pleurozia purpurea Lindb.

Porellaceae

Ascidiota C. Massal.

Ascidiota blepharophylla C. Massal.Ascidiota blepharophylla C. Massal. ssp. alaskana Steere & R.M. Schust.

Porella L.

Porella bolanderi (Austin) PearsonPorella cordaeana (Huebener) MoorePorella japonica (Sande Lac.) Mitt.Porella japonica (Sande Lac.) Mitt. ssp. appalachiana R.M. Schust.Porella navicularis (Lehm. & Lindenb.) Lindb.Porella pinnata L.Porella platyphylla (L.) Pfeiff.Porella roellii Steph.Porella swartziana (Weber) Trevis.Porella vernicosa Lindb.Porella vernicosa Lindb. ssp. fauriei (Stephani) M. HaraPorella fauriei (Steph.) S. Hatt.Porella wataugensis (Sull.) Underw.

Pseudolepicoleaceae

Blepharostoma (Dumort. emend. Lindb.) Dumort.

Blepharostoma arachnoideum M. HoweBlepharostoma trichophyllum (L.) Dumort.Blepharostoma trichophyllum (L.) Dumort. ssp. brevirete (Bryhn & Kaal.) R.M. Schust.Blepharostoma trichophyllum (L.) Dumort. ssp. trichophyllum

Pseudolepicolea Fulford & J. Taylor

Pseudolepicolea fryei (Perss.) Grolle & Ando

Ptilidiaceae

Ptilidium Nees

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Ptilidium californicum (Austin) PearsonPtilidium ciliare (L.) HampePtilidium pulcherrimum (Weber) Vain.

ScapaniaceaeAnastrepta (Lindb.) Schiffner Hepat. (Engl.-Prantl) 85. 1893.

Anastrepta orcadensis (Hook.) Schiffner Hepat. (Engl.-Prantl) 85. 1893.

Anastrophyllum (Spruce) Schiffn.Crossocalyx Meyl.Sphenolobus (Lindb.) Berggr.

Anastrophyllum assimile (Mitt.) Steph.Anastrophyllum donianum (Hook.) Schiffn.Anastrophyllum helleranum (Nees) R.M. Schust.Anastrophyllum michauxii (F. Weber) H. Buch ex A. EvansAnastrophyllum minutum (Schreb.) R.M. Schust.

Eremonotus minutus (Schreb.) R.M. Schust. 1960.Anastrophyllum minutum (Schreb.) R.M. Schust. var. grandis (Gottsche ex Lindb.) R.M. Schust.Anastrophyllum minutum (Schreb.) R.M. Schust. var. minutumAnastrophyllum saxicola (Schrad.) R.M. Schust.Anastrophyllum sphenoloboides R.M. Schust.Anastrophyllum tenue H. Williams

Barbilophozia LoeskeOrthocaulis H. Buch

Barbilophozia atlantica (Kaal.) Müll. Frib.Barbilophozia attenuata (Mart.) LoeskeBarbilophozia barbata (Schmid. ex Schreb.) LoeskeBarbilophozia binsteadii (Kaal.) LoeskeBarbilophozia cavifolia (H. Buch & S.W. Arnell) Stotler & Stotl.-Crand.Barbilophozia floerkei (F. Weber & D. Mohr) LoeskeBarbilophozia hatcheri (A. Evans) LoeskeBarbilophozia hyperborea (R.M. Schust.) Stotler & Stotl.-Crand. ex Potemk.Barbilophozia kunzeana (Huebener) GamsBarbilophozia lycopodioides (Wallr.) LoeskeBarbilophozia quadriloba (Lindb.) LoeskeBarbilophozia quadriloba (Lindb.) Loeske var. collenchymatica (R.M. Schust.) Stotler & Stotl.-

Crand.Barbilophozia quadriloba (Lindb.) Loeske var. glareosa (Jörg.) Stotler & Stotl.-Crand.Barbilophozia quadriloba (Lindb.) Loeske var. quadrilobaBarbilophozia rubescens (R.M. Schust. & Damsh.) Kartt. & L. Söderstr.

Chandonanthus Mitt.

Chandonanthus hirtellus (Weber) Mitt.

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Douinia (C.E.O. Jensen) H. Buch

Douinia ovata (Dicks.) H. Buch

Diplophyllum (Dumort.) Dumort., nom. cons.Macrodiplophyllum Perss.

Diplophyllum albicans (L.) Dumort.Diplophyllum andrewsii A. EvansDiplophyllum apiculatum (A. Evans) Steph.Diplophyllum apiculatum (A. Evans) Steph. var. apiculatumDiplophyllum apiculatum (A. Evans) Steph. var. taxifolioides R.M. Schust.Diplophyllum imbricatum (M. Howe) Müll. Frib.

Macrodiplophyllum imbricatum (M. Howe) Perss.Diplophyllum microdontum (Mitt.) H. BuchDiplophyllum obtusatum (R.M. Schust.) R.M. Schust.Diplophyllum obtusifolium (Hook.) Dumort.Diplophyllum plicatum Lindb.

Macrodiplophyllum plicatum (Lindb.) Perss.Diplophyllum taxifolium (Wahlenb.) Dumort.Diplophyllum taxifolium (Wahlenb.) Dumort. var. macrosticta H. BuchDiplophyllum taxifolium (Wahlenb.) Dumort. var. mucronatum R.M. Schust.Diplophyllum taxifolium (Wahlenb.) Dumort. var. taxifolium

Gymnocolea (Dumort.) Dumort.

Gymnocolea acutiloba (Schiffn.) Müll. Frib.Gymnocolea borealis (Frisvoll & Moen) R.M. Schust.Gymnocolea fascinifera Potemk.Gymnocolea inflata (Huds.) Dumort.Gymnocolea inflata (Huds.) Dumort. var. heterostipa (Carrington & Spruce) Müll. Frib.Gymnocolea inflata (Huds.) Dumort. var. inflata

Lophozia (Dumort.) Dumort.Isopaches H. BuchMassula K. Müll. ex Schljakov

Lophozia alboviridis R.M. Schust.Lophozia ascendens (Warnst.) R.M. Schust.Lophozia bicrenata (Schmidel ex Hoffm.) Dumort.Lophozia bicrenata (Schmidel ex Hoffm.) Dumort. var. bicrenataLophozia bicrenata (Schmidel ex Hoffm.) Dumort. var. immersa R.M. Schust. & Damsh.Lophozia capitata (Hook.) MacounLophozia debiliformis R.M. Schust. & Damsh.Lophozia debiliformis R.M. Schust. & Damsh. var. concolor R.M. Schust. & Damsh.Lophozia debiliformis R.M. Schust. & Damsh. var. debiliformisLophozia decolorans (Limpr.) Steph.Lophozia elongata Steph.

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Lophozia excisa (Dicks.) Dumort.Lophozia excisa (Dicks.) Dumort. var. elegans R.M. Schust.Lophozia excisa (Dicks.) Dumort. var. excisaLophozia excisa (Dicks.) Dumort. var. infuscata R.M. Schust. & Damsh.Lophozia excisa (Dicks.) Dumort. var. succulenta R.M. Schust. & Damsh.Lophozia grandiretis (Lindb. ex Kaal.) Schiffn.Lophozia grandiretis (Lindb. ex Kaal.) Schiffn. var. grandiretisLophozia grandiretis (Lindb. ex Kaal.) Schiffn. var. parviretis R.M. Schust.Lophozia groenlandica (Nees) MacounLophozia heteromorpha R.M. Schust. & Damsh.Lophozia holmenianum Inoue & SteereLophozia hyperarctica R.M. Schust.Lophozia incisa (Schrad.) Dumort.Lophozia incisa (Schrad.) Dumort. ssp. incisaLophozia incisa (Schrad.) Dumort. ssp. incisa var. incisaLophozia incisa (Schrad.) Dumort. ssp. incisa var. inermis Müll. Frib.Lophozia jurensis Meyl. ex Müll. Frib.

Lophozia latifolia R.M. Schust.Lophozia laxa (Lindb.) Grolle

Lophozia marchica (Nees) Steph.Lophozia longidens (Lindb.) MacounLophozia longidens (Lindb.) Macoun ssp. arctica R.M. Schust.Lophozia longidens (Lindb.) Macoun ssp. longidensLophozia opacifolia Culm. ex Meyl.

Lophozia incisa (Schrad.) Dumort. ssp. opacifolia (Culm. ex Meyl.) R.M. Schust. & Damsh.

Lophozia pellucida R.M. Schust.Lophozia pellucida R.M. Schust. var. minor R.M. Schust.Lophozia pellucida R.M. Schust. var. pellucidaLophozia perssonii H. Buch & S.W. ArnellLophozia polaris (R.M. Schust.) R.M. Schust. & Damsh.

Lophozia alpestris subsp. polaris R.M. Schust.Lophozia polaris (R.M. Schust.) R.M. Schust. & Damsh. var. polarisLophozia polaris (R.M. Schust.) R.M. Schust. & Damsh. var. sphagnorum (R.M. Schust.) R.M.

Schust. & Damsh.Lophozia rubrigemma R.M. Schust.Lophozia rufescens SchljakovLophozia savicziae SchljakovLophozia subapiculata R.M. Schust. & Damsh.Lophozia sudetica (Nees ex Huebener) Grolle

Lophozia alpestris auct. not (Schleich.) A. EvansLophozia ehrhartiana auct non (Weber) Inoue & Steere

Lophozia sudetica (Nees ex Huebener) Grolle var. anomala (Schljakov) SchljakovLophozia sudetica (Nees ex Huebener) Grolle var. sudeticaLophozia ventricosa (Dicks.) Dumort.Lophozia ventricosa (Dicks.) Dumort. var. confusa R.M. Schust.Lophozia ventricosa (Dicks.) Dumort. var. grandiretis (H. Buch & S.W. Arnell) R.M. Schust. &

Damsh.Lophozia ventricosa (Dicks.) Dumort. var. longiflora (Nees) Macoun

Lophozia longiflora (Nees) Schiffn.Lophozia porphyroleuca (Nees) Schiffn.Lophozia guttulata (Lindb. & Arnell) A. Evans

Lophozia ventricosa (Dicks.) Dumort. var. rigida R.M. Schust.Lophozia ventricosa (Dicks.) Dumort. var. silvicola (H. Buch) E.W. Jones

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Lophozia ventricosa (Dicks.) Dumort. var. ventricosaLophozia wenzelii (Nees) Steph.Lophozia wenzelii (Nees) Steph. var. lapponica H. Buch & S.W. ArnellLophozia wenzelii (Nees) Steph. var. wenzelii

Scapania (Dumort.) Dumort., nom. cons.Scapaniella H. Buch

Scapania aequiloba (Schwägr.) Dumort.Scapania americana Müll. Frib.Scapania apiculata SpruceScapania bolanderi AustinScapania brevicaulis TaylorScapania calcicola (Arnell & J. Perss.) InghamScapania calcicola (Arnell & J. Perss.) Ingham ssp. calcicolaScapania calcicola (Arnell & J. Perss.) Ingham ssp. ligulifolia (R.M. Schust.) Damsh. & D.G.

LongScapania calciphila R.M. Schust.Scapania carinthiaca J.B. Jack ex Lindb.Scapania compacta (Roth) Dumort.Scapania crassiretis BryhnScapania curta (Mart.) Dumort.Scapania curta (Mart.) Dumort. var. curtaScapania curta (Mart.) Dumort. var. grandiretis R.M. Schust.Scapania curta (Mart.) Dumort. var. isoloba R.M. Schust.Scapania cuspiduligera (Nees) Müll. Frib.Scapania cuspiduligera (Nees) Müll. Frib. var. cuspiduligeraScapania cuspiduligera (Nees) Müll. Frib. var. diplophyllopsis R.M. Schust.Scapania degenii Schiffn. ex Müll. Frib.Scapania degenii Schiffn. ex Müll. Frib. var. degeniiScapania degenii Schiffn. ex Müll. Frib. var. dubia R.M. Schust.Scapania glaucocephala (Taylor) Austin

Scapaniella glaucocephala (Taylor) EvansScapania gymnostomophila Kaal.Scapania hians Steph. ex Müll. Frib.Scapania hyperborea Jörg.Scapania invisa R.M. Schust.Scapania irrigua (Nees) Gottsche & Lindenb. & NeesScapania irrigua (Nees) Gottsche & Lindenb. & Nees ssp. irriguaScapania irrigua (Nees) Gottsche & Lindenb. & Nees ssp. rufescens (Loeske) R.M. Schust.Scapania kaurinii RyanScapania lingulata H. BuchScapania lingulata H. Buch var. lingulataScapania lingulata H. Buch var. microphylla (Warnst.) R.M. Schust.Scapania massalongi (Müll. Frib.) Müll. Frib.Scapania mucronata H. BuchScapania mucronata H. Buch ssp. mucronataScapania mucronata H. Buch ssp. praetervisa (Meyl.) R.M. Schust.Scapania mucronata H. Buch ssp. praetervisa (Meyl.) R.M. Schust. var. polaris R.M. Schust.Scapania mucronata H. Buch ssp. praetervisa (Meyl.) R.M. Schust. var. praetervisa (Meyl.) H.

BuchScapania nemorea (L.) GrolleScapania obcordata (Berggr.) S.W. Arnell

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Scapania obscura (Arnell & C.E.O. Jensen) Schiffn.Scapania ornithopodioides (With.) PearsonScapania paludicola Loeske & Müll. Frib.Scapania paludicola Loeske & Müll. Frib. var. paludicolaScapania paludicola Loeske & Müll. Frib. var. rotundiloba R.M. Schust.Scapania paludicola Loeske & Müll. Frib. var. viridigemma R.M. Schust.Scapania paludosa (Müll. Frib.) Müll. Frib.Scapania paradoxa R.M. Schust.Scapania paradoxa R.M. Schust. var. paradoxaScapania paradoxa R.M. Schust. var. ramosa R.M. Schust.Scapania parvifolia Warnst.Scapania perssonii R.M. Schust.Scapania pseudocalcicola R.M. Schust.Scapania pulcherrima R.M. Schust.Scapania saxicola R.M. Schust.Scapania scandica (Arnell & H. Buch) MacvicarScapania scandica (Arnell & H. Buch) Macvicar var. argutedentata H. BuchScapania scandica (Arnell & H. Buch) Macvicar var. dimorpha R.M. Schust.Scapania scandica (Arnell & H. Buch) Macvicar var. scandicaScapania serrulata R.M. Schust.Scapania simmonsii Bryhn & Kaal.Scapania spitzbergensis (Lindb.) Müll. Frib.Scapania subalpina (Nees) Dumort.Scapania tundrae (Arnell) H. BuchScapania uliginosa (Sw. ex Lindenb.) Dumort.Scapania umbrosa (Schrad.) Dumort.Scapania undulata (L.) Dumort.Scapania undulata (L.) Dumort. var. aequatiformis De Not.Scapania undulata (L.) Dumort. var. oakesii (Austin) H. BuchScapania undulata (L.) Dumort. var. undulataScapania zemliae S.W. Arnell

Sphenolobopsis R.M. Schust. & N. Kitag.Cephaloziopsis (Spruce) Schiffner

Sphenolobopsis pearsonii (Spruce) R.M. Schust.

Tetralophozia (R.M. Schust.) Schljakov

Tetralophozia filiformis (Steph.) UrmiTetralophozia setiformis (Ehrh.) Schljakov

Temnoma setiformis (Ehrh.) M. A. Howe

Tritomaria Schiffn. ex LoeskeSaccobasis H. Buch

Tritomaria exsecta (Schrad.) LoeskeTritomaria exsectiformis (Breidl.) LoeskeTritomaria exsectiformis (Breidl.) Loeske ssp. arctica R.M. Schust.Tritomaria exsectiformis (Breidl.) Loeske ssp. exsectiformisTritomaria heterophylla R.M. Schust.

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Tritomaria polita (Nees) Jörg.Saccobasis polita (Nees) Buch

Tritomaria polita (Nees) Jörg. ssp. politaTritomaria polita (Nees) Jörg. ssp. polymorpha R.M. Schust.Tritomaria quinquedentata (Huds.) H. BuchTritomaria quinquedentata (Huds.) H. Buch ssp. quinquedentataTritomaria quinquedentata (Huds.) H. Buch ssp. quinquedentata var. grandiretis H. Buch &

S.W. ArnellTritomaria quinquedentata (Huds.) H. Buch ssp. quinquedentata var. quinquedentataTritomaria quinquedentata (Huds.) H. Buch ssp. turgida (Lindb.) Damsh.Tritomaria scitula (Taylor) Jörg.

Radulaceae

Radula Dumort., nom. cons.

Radula auriculata Steph.Radula australis AustinRadula bolanderi GottscheRadula brunnea Steph.Radula complanata (L.) Dumort.Radula complanata (L.) Dumort. ssp. complanataRadula complanata (L.) Dumort. ssp. lindenbergiana (Gottsche ex C. Hartm.) R.M. Schust.Radula flaccida Lindenb. & GottscheRadula floridana CastleRadula mollis Lindenb. & GottscheRadula obconica Sull.Radula obtusiloba Steph.Radula obtusiloba Steph. ssp. polyclada (A. Evans) S. Hatt.Radula prolifera S.W. ArnellRadula sullivantii AustinRadula tenax Lindb.Radula voluta Taylor

Trichocoleaceae

Trichocolea Dumort., nom. cons.

Trichocolea tomentella (Ehrh.) Dumort.

MarchantialesAytoniaceae

Asterella P. Beauv., nom. cons.

Asterella bolanderi (Austin) Underw.Asterella californica (Hampe) Underw.Asterella echinella (Gottsche) Underw.Asterella lindenbergiana (Corda) Lindb.

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Asterella palmeri (Austin) Underw.Asterella saccata (Wahlenb.) A. EvansAsterella tenella (L.) P. Beauv.

Cryptomitrium Austin ex Underw.

Cryptomitrium tenerum (Hook.) Austin ex Underw.

Mannia Opiz, nom. cons.

Mannia californica (Gottsche ex Underw.) L.C. WheelerMannia fragrans (Balb.) Frye & L. ClarkMannia gracilis (F. Weber) D. B. Schill & D.G. Long

Asterella gracilis (F. Weber) Underw.Mannia paradoxa R.M. Schust.Mannia pilosa (Hornem.) Frye & L. ClarkMannia sibirica (Müll. Frib.) Frye & L. ClarkMannia triandra (Scop.) Grolle

Plagiochasma Lehm. & Lindenb., nom. cons.

Plagiochasma crenulatum GottschePlagiochasma cuneatum A. EvansPlagiochasma intermedium Lindenb. & GottschePlagiochasma landii A. EvansPlagiochasma rupestre (J.R. Forst. & G. Forst.) Steph.Plagiochasma wrightii Sull.

Reboulia Raddi, nom. cons.

Reboulia hemisphaerica (L.) RaddiReboulia hemisphaerica (L.) Raddi ssp. acrogyna (R.M. Schust.) R.M. Schust.Reboulia hemisphaerica (L.) Raddi ssp. australis R.M. Schust.Reboulia hemisphaerica (L.) Raddi ssp. dioica R.M. Schust.

CleveaceaeAthalamia Falc.

Athalamia hyalina (Sommerf.) S. Hatt.Athalamia hyalina (Sommerf.) S. Hatt. var. californica (M. Howe) R.M. Schust.Athalamia californica M. Howe

Athalamia pygmaea R.M. Schust.

Sauteria Nees

Sauteria alpina (Nees) Nees

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Peltolepis Lindb.

Peltolepis quadrata (Saut.) Müll. Frib.Peltolepis grandis (Lindb.) Lindb.

Conocephalaceae

Conocephalum Hill, nom. cons.

Conocephalum conicum (L.) Dumort.Conocephalum salebrosum Szweykowski, Buczkowska & Odrzykoski

Corsiniaceae

Corsinia Raddi

Corsinia coriandrina (Spreng.) Lindb.

Dumortieraceae

Dumortiera Nees

Dumortiera hirsuta (Sw.) NeesDumortiera hirsuta (Sw.) Nees ssp. hirsutaDumortiera hirsuta (Sw.) Nees ssp. nepalensis (Taylor) R.M. Schust.

Dumortiera nepalensis (Taylor) Nees

Lunulariaceae

Lunularia Adans.

Lunularia cruciata (L.) Dumort.

Marchantiaceae

Bucegia Radian

Bucegia romanica Radian

Marchantia L.

Marchantia inflexa Nees & Mont.Marchantia paleacea Bertol.Marchantia paleacea Bertol. ssp. paleacea

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Marchantia polymorpha L.Marchantia alpestris (Nees) BurgeffMarchantia aquatica (Nees) BurgeffMarchantia polymorpha L. ssp. montivagans Bischl. & Boissel.-Dub.Marchantia polymorpha L. ssp. polymorphaMarchantia polymorpha L. ssp. ruderalis Bischl. & Boissel.-Dub.

Preissia Corda

Preissia quadrata (Scop.) NeesPreissia quadrata (Scop.) Nees ssp. hyperborea R.M. Schust.Preissia quadrata (Scop.) Nees ssp. quadrata

Oxymitraceae

Oxymitra Bisch. ex Lindb.

Oxymitra incrassata (Brot.) Sergio & Sim-SimOxymitra androgyna M. HoweOxymitra paleacea Bisch.

Ricciaceae

Ricciocarpos Corda

Ricciocarpos natans (L.) Corda

Riccia L., nom. cons.

Riccia albida Sull. ex AustinRiccia atromarginata LevierRiccia atromarginata Levier ssp. atromarginataRiccia beyrichiana Hampe ex Lehm. & Lindenb.Riccia bifurca Hoffm.Riccia californica AustinRiccia campbelliana M. HoweRiccia canaliculata Hoffm.Riccia cavernosa Hoffm.Riccia crystallina LinnaeusRiccia curtisii (James ex Austin) Austin

Riccia leptothallus R.M. Schust.Riccia howei R.M. Schust. nom. illegit.

Riccia dictyospora M. HoweRiccia fluitans L.

Riccia rhenana Lorb. ex Müll. Frib.Riccia frostii AustinRiccia glauca L.Riccia glauca L. var. ciliaris Warnst.Riccia glauca L. var. glaucaRiccia gougetiana Durieu & Mont.

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Riccia donnellii AustinRiccia hirta (Austin) Underw.Riccia iodocheila M. A. Howe

Riccia atromarginata Levier ssp. iodocheila (M. Howe) R.M. Schust.Riccia lamellosa RaddiRiccia macallisteri M. HoweRiccia mauryana Steph.

Riccia dorsiverrucosa HässelRiccia andina Müll. Frib.Riccia andina Müll. Frib. ssp. chionophora R.M. Schust.

Riccia membranacea Gottsche & Lindenb.Riccia nigrella DC.Riccia ozarkiana McGregorRiccia setigera R.M. Schust. nom. illegit.Riccia sorocarpa Bisch.Riccia sorocarpa Bisch. ssp. arctica R.M. Schust.Riccia sorocarpa Bisch. ssp. erythrophora R.M. Schust.Riccia sorocarpa Bisch. ssp. sorocarpaRiccia stenophylla SpruceRiccia sullivantii Austin

Riccia huebeneriana Lindenb. ssp. sullivantii (Austin) R.M. Schust.Riccia tenella D.L. JacobsRiccia trichocarpa M. HoweRiccia warnstorfii Limpr. ex Warnst.

Riccia eldeeniae Jacobs

ExcludeRiccia albolimbata S.W. Arnell - an African speciesRiccia setigera Schuster nom. illegit. Riccia violacea M. A. Howe [Not U.S. acc. Jovet 1991]

Targioniaceae

Targionia L.

Targionia hypophylla L.

MetzgerialesAneuraceae (not distinct from Metzgeriaceae)

Aneura Dumort.Cryptothallus Malmb.

Aneura maxima (Schiffn.) Steph.Aneura mirabilis (Malmb.) Wickett & Goffinet

Cryptothallus mirabilis Malmb.Aneura pinguis (L.) Dumort.

Aneura pinguis (L.) Dumort. var. angustior (Hook.) R.M. Schust.Aneura pinguis (L.) Dumort. var. pinguis

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Riccardia A. Gray, nom. cons.

Riccardia chamedryfolia (With.) GrolleRiccardia incurvata Lindb.Riccardia jugata R.M. Schust.Riccardia latifrons (Lindb.) Lindb.Riccardia latifrons (Lindb.) Lindb. ssp. arctica R.M. Schust. & Damsh.Riccardia latifrons (Lindb.) Lindb. ssp. latifronsRiccardia multifida (L.) A. GrayRiccardia multifida (L.) A. Gray ssp. multifidaRiccardia multifida (L.) A. Gray ssp. synoica R.M. Schust.Riccardia palmata (Hedw.) Carruth.Riccardia stricta R.M. Schust.

Metzgeriaceae

Metzgeria RaddiApometzgeria Kuwah.

Metzgeria conjugata Lindb.Metzgeria conjugata Lindb. ssp. conjugataMetzgeria crassipilis (Lindb.) A. EvansMetzgeria furcata (L.) Dumort.Metzgeria furcata (L.) Dumort. var. setigera R.M. Schust.Metzgeria furcata (L.) Dumort. var. ulvula NeesMetzgeria leptoneura SpruceMetzgeria leptoneura Spruce var. leptoneuraMetzgeria leptoneura Spruce var. polychaeta R.M. Schust.Metzgeria myriopoda Lindb.Metzgeria pubescens (Schrank) Raddi

Apometzgeria pubescens (Schrank) Kuwah.Metzgeria temperata Kuwah.Metzgeria uncigera A. Evans

SphaerocarpalesRiellaceae

Riella Mont.

Riella affinis M. Howe & Underw.Riella americana M. Howe & Underw.

Note: The plants currently treated here are a complex of several species, but their taxonomy has never been elucidated: see Proctor, Bryologist 75: 281-289. 1972.

Sphaerocarpaceae

Geothallus Campb.

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Geothallus tuberosus Campb.

Sphaerocarpos Boehm.

Sphaerocarpos cristatus M. HoweSphaerocarpos donnellii AustinSphaerocarpos drewei WigglesworthSphaerocarpos hians HaynesSphaerocarpos michelii BellardiSphaerocarpos texanus Austin

TreubialesTreubiaceae

Apotreubia S. Hatt. & Mizut.

Apotreubia nana (S. Hatt. & Inoue) S. Hatt. & Mizut.

Hornworts

AnthocerotalesTaxonomy completely following after Stotler et al., Bryologist 108: 16-26. 2005. and subsequent

publications by the same authors.

Anthocerotaceae

Anthoceros L. Sp. Pl. 2: 1139. 1753.

Anthoceros agrestis Paton, nom. cons.Anthoceros multifidus auct. non. L.Anthoceros crispulus auct. non (Mont.) Douin

Anthoceros fusiformis AustinAnthoceros lamellatus Steph.Anthoceros macounii M. HoweAnthoceros punctatus L.

Anthoceros husnotii Steph.Anthoceros punctatus L. var. husnotii (Steph.) Zodda

Anthoceros scariosus AustinAnthoceros meridionalis Steph.

Sphaerosporoceros Hässel de Menéndez J. Hattori Bot. Lab. 64: 79. 1988.

Sphaerosporoceros adscendens (Lehm. & Lindenb.) Hässel de MenéndezAnthoceros adscendens Lehm. & Lindenb.Anthoceros ravenelii Austin

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Notothyladaceae

Notothylas Sull. ex A. Gray Amer. J. Sci. Arts 51: 74. 1846.

Notothylas breutelii (Gottsche) GottscheNotothylas orbicularis (Schwein.) Sull. var. orbicularisNotothylas orbicularis var. pseudotemperata R.M. Schust.

Phaeoceros Prosk. Bull. Torrey Bot. Club 78: 346. 1951.

Phaeoceros carolinianus (Michx.) Prosk.Phaeoceros donnellii (Austin) Hasegawa ex Stotl. & Crand.,-Stotl.

Anthoceros donnelli AustinPhaeoceros hallii (Austin) Prosk.

Anthoceros hallii AustinPhaeoceros mohrii (Austin) Hässel

Anthoceros mohrii AustinPhaeoceros oreganus(Austin) Hässel de Menéndez

Anthoceros oreganus AustinPhaeoceros pearsonii (M. Howe) Prosk.

Anthoceros pearsonii M. Howe

Phymatoceros Stotler, W.T. Doyle & Crand.-Stot.

Phymatoceros bulbiculosus(Brot.) Stotler, W.T. Doyle & Crand.-Stot.Phaeoceros bulbiculosus(Brot.) Prosk.Anthoceros phymatodes M. Howe

Dendrocerotaceae

Nothoceros (R.M. Schust.) J. Haseg. J. Hattori Bot. Lab. 76: 32. 1994.

Nothoceros aenigmaticus (R.M. Schust.) J. C. Villarreal & K. D. McFarland Bryologist 113(1): 109. 2010. Megaceros aenigmaticusR.M. Schust.