| Grimmia abscondita Cardot | Synonym |  | TRO |  | 
	
		| Grimmia abyssinica (Müll. Hal.) A. Jaeger | Accepted |  | TRO |  | 
	
		| Grimmia acicularis (Hedw.) Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia acicularis var. radiculosum (Guim.) Guim. | Unresolved |  | TRO |  | 
	
		| Grimmia aciphylla (Wahlenb.) F. Weber & D. Mohr | Synonym |  | TRO |  | 
	
		| Grimmia acuta (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia aethiopica Müll. Hal. | Unresolved |  | TRO |  | 
	
		| Grimmia affinis Hornsch. | Synonym |  | TRO |  | 
	
		| Grimmia affinis var. gracilescens (Bruch & Schimp.) Lindb. | Unresolved |  | TRO |  | 
	
		| Grimmia affinis var. ramosissima Nees & Hornsch. | Synonym |  | TRO |  | 
	
		| Grimmia africana (Hedw.) Arn. | Synonym |  | TRO |  | 
	
		| Grimmia afroincurva Broth. | Accepted |  | TRO |  | 
	
		| Grimmia afroovata Broth. & Thér. | Synonym |  | TRO |  | 
	
		| Grimmia agassizii (Sull. & Lesq.) A. Jaeger | Synonym |  | TRO |  | 
	
		| Grimmia ahmadiana Nog. | Accepted |  | TRO |  | 
	
		| Grimmia akaishi-alpina Takaki | Synonym |  | TRO |  | 
	
		| Grimmia alaris Broth. | Synonym |  | TRO |  | 
	
		| Grimmia albida (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia alfredii R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia allionii Broth. | Synonym |  | TRO |  | 
	
		| Grimmia alpestris (F. Weber & D. Mohr) Schleich. | Accepted |  | TRO |  | 
	
		| Grimmia alpestris var. alpestris | Synonym |  | TRO |  | 
	
		| Grimmia alpestris x donniana Chal. | Accepted |  | TRO |  | 
	
		| Grimmia alpicola var. rivularis (Brid.) Wahlenb. | Synonym |  | TRO |  | 
	
		| Grimmia alpina Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia ambigua (Sull.) Sull. | Accepted |  | TRO |  | 
	
		| Grimmia amblyophylla Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia americana E.B. Bartram | Accepted |  | TRO |  | 
	
		| Grimmia amoena Broth. | Synonym |  | TRO |  | 
	
		| Grimmia anceps Boulay | Synonym |  | TRO |  | 
	
		| Grimmia ancistrodes Durieu & Mont. | Synonym |  | TRO |  | 
	
		| Grimmia andina Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia andreaeacea Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia andreaeoides Limpr. | Synonym |  | TRO |  | 
	
		| Grimmia andreaeopsis Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia angusta (I. Hagen) Broth. | Synonym |  | TRO |  | 
	
		| Grimmia angustifolia Mitt. | Synonym |  | TRO |  | 
	
		| Grimmia angustissima P. de la Varde | Accepted |  | TRO |  | 
	
		| Grimmia anodon Bruch & Schimp. | Accepted |  | TRO |  | 
	
		| Grimmia anodon var. anomala E.B. Bartram | Synonym |  | TRO |  | 
	
		| Grimmia anomala Hampe | Accepted |  | TRO |  | 
	
		| Grimmia antarctici Cardot | Synonym |  | TRO |  | 
	
		| Grimmia antarctici var. percompacta E.B. Bartram | Synonym |  | TRO |  | 
	
		| Grimmia antarctici var. pilifera E.B. Bartram | Synonym |  | TRO |  | 
	
		| Grimmia antillarum Thér. | Synonym |  | TRO |  | 
	
		| Grimmia antipodum Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia apiculata Hornsch. | Synonym |  | TRO |  | 
	
		| Grimmia apiculata subsp. holleri (Molendo) J.J. Amann | Unresolved |  | TRO |  | 
	
		| Grimmia apocarpa Hedw. | Synonym |  | TRO |  | 
	
		| Grimmia apocarpa var. auresiana Besch. | Synonym |  | TRO |  | 
	
		| Grimmia apocarpa var. brevidens (De Not.) Grav. | Unresolved |  | TRO |  | 
	
		| Grimmia apocarpa var. cucullata Perss. | Synonym |  | TRO |  | 
	
		| Grimmia apocarpa var. filiformis Lindb. | Synonym |  | TRO |  | 
	
		| Grimmia apocarpa var. fusca De Not. | Synonym |  | TRO |  | 
	
		| Grimmia apocarpa var. gracilis Röhl. | Unresolved |  | TRO |  | 
	
		| Grimmia apocarpa var. intercedens (Schiffner) Paris | Unresolved |  | TRO |  | 
	
		| Grimmia apocarpa f. linearis Chal. | Synonym |  | TRO |  | 
	
		| Grimmia apocarpa var. ovatum (Bryhn) Hesselbo | Unresolved |  | TRO |  | 
	
		| Grimmia apocarpa var. pulvinata (Hedw.) G.N. Jones | Synonym |  | TRO |  | 
	
		| Grimmia apocarpa var. stricta (Turner) Hook. & Taylor | Synonym |  | TRO |  | 
	
		| Grimmia apocarpa var. sublaevipila Cardot | Synonym |  | TRO |  | 
	
		| Grimmia apocarpa var. tenera (J.E. Zetterst.) H. Möller | Unresolved |  | TRO |  | 
	
		| Grimmia apocarpa f. tenera J.E. Zetterst. | Synonym |  | TRO |  | 
	
		| Grimmia apocarpa f. umbrosa J.E. Zetterst. | Synonym |  | TRO |  | 
	
		| Grimmia apocarpon Hedw. | Synonym |  | TRO |  | 
	
		| Grimmia apocaula R. Hedw. ex Lam. & DC. | Synonym |  | TRO |  | 
	
		| Grimmia apophysata Gangulee | Synonym |  | TRO |  | 
	
		| Grimmia aquatica (Brid. ex Schrad.) Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia arctica (Müll. Hal.) A. Jaeger | Accepted |  | TRO |  | 
	
		| Grimmia arctolimnia Steere | Synonym |  | TRO |  | 
	
		| Grimmia arctophila Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia arctophila subsp. labradorica Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia arcuata De Not. | Accepted |  | TRO |  | 
	
		| Grimmia arcuatifolia Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia arenaria Hampe | Accepted |  | TRO |  | 
	
		| Grimmia argentea R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia argyrotricha Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia arizonae Renauld & Cardot | Accepted |  | TRO |  | 
	
		| Grimmia arsenei Cardot | Synonym |  | TRO |  | 
	
		| Grimmia arvernica H. Philib. | Synonym |  | TRO |  | 
	
		| Grimmia aspera Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia asperitricha Dixon & Sainsbury | Synonym |  | TRO |  | 
	
		| Grimmia assurgens J. Shaw | Unresolved |  | TRO |  | 
	
		| Grimmia aterrima Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia atrata Miel. ex Hornsch. | Accepted |  | TRO |  | 
	
		| Grimmia atricha Müll. Hal. & Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia atrofusca Schimp. | Synonym |  | TRO |  | 
	
		| Grimmia atrovirens Sm. | Synonym |  | TRO |  | 
	
		| Grimmia atroviridis Cardot | Synonym |  | TRO |  | 
	
		| Grimmia attenuata (Müll. Hal. & Kindb.) Kindb. | Accepted |  | TRO |  | 
	
		| Grimmia auresia Besch. | Synonym |  | TRO |  | 
	
		| Grimmia austinii Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia australis (Dixon & Sainsbury) J. Muñoz & Ochyra | Accepted |  | TRO |  | 
	
		| Grimmia austrofunalis Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia austroleucophaea Besch. | Accepted |  | TRO |  | 
	
		| Grimmia austropatens Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia austropulvinata Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia azorica Renauld & Cardot | Synonym |  | TRO |  | 
	
		| Grimmia barkeri W.E. Nicholson & G. Roth | Synonym |  | TRO |  | 
	
		| Grimmia barrii R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia basaltica Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia beckettiana Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia bellii R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia benoistii Thér. | Synonym |  | TRO |  | 
	
		| Grimmia berliniana Schultz | Synonym |  | TRO |  | 
	
		| Grimmia bernoullii Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia bicolor Herzog | Accepted |  | TRO |  | 
	
		| Grimmia bifrons De Not. | Synonym |  | TRO |  | 
	
		| Grimmia bogotensis (Hampe) A. Jaeger | Synonym |  | TRO |  | 
	
		| Grimmia boliviana (Broth.) F.J. Herm. | Accepted |  | TRO |  | 
	
		| Grimmia borneensis Dixon & Herzog | Synonym |  | TRO |  | 
	
		| Grimmia boschbergiana Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia bossierei Cardot & Thér. | Synonym |  | TRO |  | 
	
		| Grimmia brachydictyon (Cardot) Deguchi | Accepted |  | TRO |  | 
	
		| Grimmia brachyodon Austin | Synonym |  | TRO |  | 
	
		| Grimmia brachyphylla Cardot | Synonym |  | TRO |  | 
	
		| Grimmia brachypus Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia brandegei Austin | Synonym |  | TRO |  | 
	
		| Grimmia breviexserta Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia brevirostris R.S. Williams | Synonym |  | TRO |  | 
	
		| Grimmia breviseta (Lindb.) Lindb. & Arnell | Accepted |  | TRO |  | 
	
		| Grimmia britannica A.J.E. Sm. | Synonym |  | TRO |  | 
	
		| Grimmia brittoniae R.S. Williams | Accepted |  | TRO |  | 
	
		| Grimmia brotheri Lindb. | Synonym |  | TRO |  | 
	
		| Grimmia browniana (Dicks.) Sm. | Accepted |  | TRO |  | 
	
		| Grimmia brownii Paris | Accepted |  | TRO |  | 
	
		| Grimmia brunnescens (Limpr.) Paris | Synonym |  | TRO |  | 
	
		| Grimmia brunnescens var. epiolsa (Schiffner) Paris | Synonym |  | TRO |  | 
	
		| Grimmia bryhnii (I. Hagen) Paris | Synonym |  | TRO |  | 
	
		| Grimmia buchananii Stirt. | Synonym |  | TRO |  | 
	
		| Grimmia caespiticia (Brid.) Jur. | Accepted |  | TRO |  | 
	
		| Grimmia caffra Rehmann ex Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia calcarea (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia californica Sull. | Synonym |  | TRO |  | 
	
		| Grimmia californica subsp. watsonii (Lesq. & James) Kindb. | Unresolved |  | TRO |  | 
	
		| Grimmia callosa Müll. Hal. & Hampe | Synonym |  | TRO |  | 
	
		| Grimmia calotricha Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia calvescens Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia calvescens Stirt. | Synonym |  | TRO |  | 
	
		| Grimmia calycina Herzog | Accepted |  | TRO |  | 
	
		| Grimmia calyculata Müll. Hal. | Unresolved |  | TRO |  | 
	
		| Grimmia calyptrata Drumm. | Synonym |  | TRO |  | 
	
		| Grimmia camonia Rota | Accepted |  | TRO |  | 
	
		| Grimmia campbelliae Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia campestris Burch. ex Hook. | Synonym |  | TRO |  | 
	
		| Grimmia campylopoda (Lazarenko) K. Saito | Synonym |  | TRO |  | 
	
		| Grimmia campylotricha Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia canadensis Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia canariensis (H. Winter) Broth. | Accepted |  | TRO |  | 
	
		| Grimmia canescens Schleich. ex Spreng. | Synonym |  | TRO |  | 
	
		| Grimmia canescens var. ericoides (Brid.) Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia capillata De Not. | Accepted |  | TRO |  | 
	
		| Grimmia capillata var. calva J.J. Amann | Synonym |  | TRO |  | 
	
		| Grimmia cardotii Hérib. | Synonym |  | TRO |  | 
	
		| Grimmia cardotii x anodon Culm. | Unresolved |  | TRO |  | 
	
		| Grimmia catalinensis E.B. Bartram | Synonym |  | TRO |  | 
	
		| Grimmia catalinensis var. mutica E.B. Bartram | Synonym |  | TRO |  | 
	
		| Grimmia catenulata (Brid. ex Schrad.) F. Weber & D. Mohr | Synonym |  | TRO |  | 
	
		| Grimmia caucasica (Müll. Hal.) A. Jaeger | Synonym |  | TRO |  | 
	
		| Grimmia cavifolia Lindb. & Arnell | Synonym |  | TRO |  | 
	
		| Grimmia celata Cardot | Synonym |  | TRO |  | 
	
		| Grimmia cernua Nees & Hornsch. | Synonym |  | TRO |  | 
	
		| Grimmia chenii S.H. Lin | Synonym |  | TRO |  | 
	
		| Grimmia chilensis Thér. | Synonym |  | TRO |  | 
	
		| Grimmia chloroblasta Kindb. | Unresolved |  | TRO |  | 
	
		| Grimmia chocayae (Herzog) Broth. | Accepted |  | TRO |  | 
	
		| Grimmia chrysoblasta Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia chrysoneura Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia chubutensis Cardot & Broth. | Accepted |  | TRO |  | 
	
		| Grimmia churchilliana H.A. Crum | Accepted |  | TRO |  | 
	
		| Grimmia cinclidodontea Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia cinerea Thér. | Synonym |  | TRO |  | 
	
		| Grimmia cirrata (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia coarctata Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia cockaynei R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia cognata Cardot & Thér. | Synonym |  | TRO |  | 
	
		| Grimmia coloradensis Austin | Synonym |  | TRO |  | 
	
		| Grimmia columbica De Not. | Synonym |  | TRO |  | 
	
		| Grimmia commutata f. epilifera J.E. Zetterst. | Synonym |  | TRO |  | 
	
		| Grimmia comosa Dozy & Molk. | Synonym |  | TRO |  | 
	
		| Grimmia compactula Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia conferruminata Wallr. | Synonym |  | TRO |  | 
	
		| Grimmia conferta Funck | Synonym |  | TRO |  | 
	
		| Grimmia conferta var. urceolaris (Schleich. ex Nees & Hornsch.) Hampe | Synonym |  | TRO |  | 
	
		| Grimmia consobrina Kunze ex Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia contermina Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia contorta (Wahlenb.) Arn. | Synonym |  | TRO |  | 
	
		| Grimmia contorta var. hagenii (Kaurin) Paris | Unresolved |  | TRO |  | 
	
		| Grimmia controversa (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia convoluta (Mont.) Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia cossonii Besch. | Synonym |  | TRO |  | 
	
		| Grimmia crassa Spreng. | Synonym |  | TRO |  | 
	
		| Grimmia crassifolia Lindb. ex Broth. | Accepted |  | TRO |  | 
	
		| Grimmia crassinervia (Müll. Hal.) Macoun & Kindb. | Accepted |  | TRO |  | 
	
		| Grimmia crassiretis Cardot & Broth. | Synonym |  | TRO |  | 
	
		| Grimmia cratericola Sakurai & Takaki | Accepted |  | TRO |  | 
	
		| Grimmia cribrodontia Herzog | Synonym |  | TRO |  | 
	
		| Grimmia cribrosa Hedw. | Synonym |  | TRO |  | 
	
		| Grimmia crinita Brid. | Accepted |  | TRO |  | 
	
		| Grimmia crinita var. calva (J.J. Amann) J.J. Amann | Accepted |  | TRO |  | 
	
		| Grimmia crinita x leucophaea Paris | Unresolved |  | TRO |  | 
	
		| Grimmia crinitoleucophaea Cardot | Accepted |  | TRO |  | 
	
		| Grimmia crispa Roth ex P. Gaertn., B. Mey. & Schreb. | Synonym |  | TRO |  | 
	
		| Grimmia crispata (Hedw.) Spreng. | Accepted |  | TRO |  | 
	
		| Grimmia crispatula Müll. Hal. & Hampe | Synonym |  | TRO |  | 
	
		| Grimmia crispipila (Taylor) Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia crispula (Hedw.) Turner | Accepted |  | TRO |  | 
	
		| Grimmia cucullata D.M. Hend. | Accepted |  | TRO |  | 
	
		| Grimmia cucullatifolia (Hampe) Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia cupularis Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia curvata (Brid.) De Sloover | Synonym |  | TRO |  | 
	
		| Grimmia curviseta Bouman | Accepted |  | TRO |  | 
	
		| Grimmia cyathiformis R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia cyathocarpa (Hampe) Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia cygnicolla Taylor | Synonym |  | TRO |  | 
	
		| Grimmia cylindracea F. Weber & D. Mohr | Synonym |  | TRO |  | 
	
		| Grimmia cylindrica Nees & Hornsch. | Synonym |  | TRO |  | 
	
		| Grimmia cylindropyxis Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia daviesii (Dicks. ex With.) Turner | Accepted |  | TRO |  | 
	
		| Grimmia decalvata Cardot | Synonym |  | TRO |  | 
	
		| Grimmia decipiens (Schultz) Lindb. | Accepted |  | TRO |  | 
	
		| Grimmia decipiens var. hendersonii (Renauld & Cardot) Sayre | Synonym |  | TRO |  | 
	
		| Grimmia decurrentipilis Thér. | Synonym |  | TRO |  | 
	
		| Grimmia defoliata Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia densa Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia denticulata Kaulf. | Synonym |  | TRO |  | 
	
		| Grimmia depilis Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia depressa Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia depressa var. terrestris Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia dicksonii (With.) Turner | Synonym |  | TRO |  | 
	
		| Grimmia didyma Mont. | Synonym |  | TRO |  | 
	
		| Grimmia diminuta R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia dimorpha Müll. Hal. ex E. Britton | Synonym |  | TRO |  | 
	
		| Grimmia dimorphula Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia dissimulata E. Maier | Accepted |  | TRO |  | 
	
		| Grimmia diversifolia Kindb. | Unresolved |  | TRO |  | 
	
		| Grimmia donatii Herzog & Thér. | Synonym |  | TRO |  | 
	
		| Grimmia donniana Sm. | Accepted |  | TRO |  | 
	
		| Grimmia donniana var. alpestris (F. Weber & D. Mohr) Hampe | Synonym |  | TRO |  | 
	
		| Grimmia donniana subsp. arenaria (Hampe) Dixon | Accepted |  | TRO |  | 
	
		| Grimmia donniana var. bohemica Schkuhr ex Brid. | Synonym |  | TRO |  | 
	
		| Grimmia donniana var. curvula Spruce | Synonym |  | TRO |  | 
	
		| Grimmia donniana var. donniana | Synonym |  | TRO |  | 
	
		| Grimmia donniana var. manniae (Müll. Hal.) Wijk & Margad. | Accepted |  | TRO |  | 
	
		| Grimmia dornajii Höhn. | Synonym |  | TRO |  | 
	
		| Grimmia drakenbergensis Sim | Synonym |  | TRO |  | 
	
		| Grimmia drummondii Wilson | Synonym |  | TRO |  | 
	
		| Grimmia dupretii Thér. | Synonym |  | TRO |  | 
	
		| Grimmia dura Müll. Hal. ex Broth. | Synonym |  | TRO |  | 
	
		| Grimmia ecklonii Spreng. | Synonym |  | TRO |  | 
	
		| Grimmia edentula Hy | Synonym |  | TRO |  | 
	
		| Grimmia ehlei Arnell | Synonym |  | TRO |  | 
	
		| Grimmia elata Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia elatior Bruch ex Bals.-Criv. & De Not. | Accepted |  | TRO |  | 
	
		| Grimmia elatior var. mollis (Roll) Loeske | Accepted |  | TRO |  | 
	
		| Grimmia elatior var. pseudo-funalis Limpr. | Accepted |  | TRO |  | 
	
		| Grimmia elatior var. squarrifolia Dixon & Thér. | Synonym |  | TRO |  | 
	
		| Grimmia elegans Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia elliptica Funck | Synonym |  | TRO |  | 
	
		| Grimmia elongata Kaulf. | Accepted |  | TRO |  | 
	
		| Grimmia emersa Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia ericoides Bach. Pyl. | Synonym |  | TRO |  | 
	
		| Grimmia erythraea (Müll. Hal.) Cufod. | Accepted |  | TRO |  | 
	
		| Grimmia eurybasis Dixon & Sakurai | Synonym |  | TRO |  | 
	
		| Grimmia evansii E. Britton | Synonym |  | TRO |  | 
	
		| Grimmia exannulata Lindb. ex Loeske | Synonym |  | TRO |  | 
	
		| Grimmia exquisita J. Muñoz | Accepted |  | TRO |  | 
	
		| Grimmia falcata Hook. f. & Wilson | Accepted |  | TRO |  | 
	
		| Grimmia fallax Dusén | Accepted |  | TRO |  | 
	
		| Grimmia fascicularis (Hedw.) Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia fasciculata Brid. | Synonym |  | TRO |  | 
	
		| Grimmia fastigiata Cardot | Synonym |  | TRO |  | 
	
		| Grimmia filicaulis Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia filiformis (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia finitima R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia flaccida (De Not.) Lindb. | Synonym |  | TRO |  | 
	
		| Grimmia flettii (Holz.) Cardot | Synonym |  | TRO |  | 
	
		| Grimmia flexicaulis Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia flexicaulis var. dicksonii Dusén | Synonym |  | TRO |  | 
	
		| Grimmia flexifolia Hampe | Synonym |  | TRO |  | 
	
		| Grimmia flexipilis Lindb. ex Broth. | Synonym |  | TRO |  | 
	
		| Grimmia flexuosa Griff. | Synonym |  | TRO |  | 
	
		| Grimmia fontana (Herzog) Broth. | Accepted |  | TRO |  | 
	
		| Grimmia fontinaloides Hook. | Accepted |  | TRO |  | 
	
		| Grimmia forsteri (Dicks. ex With.) Sm. | Accepted |  | TRO |  | 
	
		| Grimmia fragilis F. Weber | Synonym |  | TRO |  | 
	
		| Grimmia frondosa James | Synonym |  | TRO |  | 
	
		| Grimmia fulgens (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia fuliginea Stirt. | Synonym |  | TRO |  | 
	
		| Grimmia fuliginosa Schimp. | Synonym |  | TRO |  | 
	
		| Grimmia funalis (Schwägr.) Bruch & Schimp. | Accepted |  | TRO |  | 
	
		| Grimmia funalis var. caespiticia (Brid.) Hampe | Synonym |  | TRO |  | 
	
		| Grimmia funalis var. calvescens H. Möller | Synonym |  | TRO |  | 
	
		| Grimmia funalis var. incurva (Hoppe & Hornsch.) Hampe | Synonym |  | TRO |  | 
	
		| Grimmia fusca Nees & Hornsch. | Accepted |  | TRO |  | 
	
		| Grimmia fuscescens (Wilson) Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia fuscolutea Hook. | Accepted |  | TRO |  | 
	
		| Grimmia fuscoviridis Stirt. | Unresolved |  | TRO |  | 
	
		| Grimmia ganderi Limpr. | Synonym |  | TRO |  | 
	
		| Grimmia gebhardii Spreng. | Accepted |  | TRO |  | 
	
		| Grimmia geniculata Schwägr. | Synonym |  | TRO |  | 
	
		| Grimmia genuflexa Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia gibbosa S. Agnew | Synonym |  | TRO |  | 
	
		| Grimmia gibertii Mitt. | Synonym |  | TRO |  | 
	
		| Grimmia gigantea (Funck) Schimp. | Accepted |  | TRO |  | 
	
		| Grimmia glacialis Nees & Hornsch. | Synonym |  | TRO |  | 
	
		| Grimmia glauca Cardot | Synonym |  | TRO |  | 
	
		| Grimmia glyphomitrioides Bals.-Criv. & De Not. | Synonym |  | TRO |  | 
	
		| Grimmia gracilis (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia gracilis var. hyperborea Arnell | Synonym |  | TRO |  | 
	
		| Grimmia gracillima E.B. Bartram | Synonym |  | TRO |  | 
	
		| Grimmia grandis Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia grisea Cardot | Synonym |  | TRO |  | 
	
		| Grimmia gusindei J. Froehl. | Synonym |  | TRO |  | 
	
		| Grimmia gymnostoma Culm. | Synonym |  | TRO |  | 
	
		| Grimmia hagenii Kaurin | Synonym |  | TRO |  | 
	
		| Grimmia haleakalae Reichardt | Synonym |  | TRO |  | 
	
		| Grimmia halophila Stirt. | Synonym |  | TRO |  | 
	
		| Grimmia hamulosa Lesq. | Accepted |  | TRO |  | 
	
		| Grimmia handelii Broth. | Accepted |  | TRO |  | 
	
		| Grimmia hartmanii Schimp. | Accepted |  | TRO |  | 
	
		| Grimmia hartmanii subsp. anomala (Hampe) Loeske | Synonym |  | TRO |  | 
	
		| Grimmia hartmanii var. anomala (Hampe) Mönk. | Synonym |  | TRO |  | 
	
		| Grimmia hartmanii var. crispa Roll | Synonym |  | TRO |  | 
	
		| Grimmia hartmanii var. epilosa Milde | Synonym |  | TRO |  | 
	
		| Grimmia hartmanii var. hartmanii | Synonym |  | TRO |  | 
	
		| Grimmia hartmanii var. mollis Roll | Synonym |  | TRO |  | 
	
		| Grimmia hausmanniana De Not. | Synonym |  | TRO |  | 
	
		| Grimmia hawaiica Müll. Hal. | Unresolved |  | TRO |  | 
	
		| Grimmia hedwigiacea Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia helvetica Schkuhr | Synonym |  | TRO |  | 
	
		| Grimmia helvola Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia hemipolia Stirt. | Synonym |  | TRO |  | 
	
		| Grimmia hendersonii Renauld & Cardot | Synonym |  | TRO |  | 
	
		| Grimmia hermannii H.A. Crum | Synonym |  | TRO |  | 
	
		| Grimmia herzogii Broth. | Accepted |  | TRO |  | 
	
		| Grimmia heteromalla (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia heterophylla Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia heterosticha (Hedw.) Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia heterosticha subsp. affinis (Schleich. ex F. Weber & D. Mohr) Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia heterosticha var. elongata T. Jensen | Synonym |  | TRO |  | 
	
		| Grimmia himalayana Mitt. | Synonym |  | TRO |  | 
	
		| Grimmia hisauchii S. Okamura | Synonym |  | TRO |  | 
	
		| Grimmia hoffmannii Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia holleri Molendo | Synonym |  | TRO |  | 
	
		| Grimmia holzingeri Cardot & Thér. | Synonym |  | TRO |  | 
	
		| Grimmia homodictyon Dixon | Synonym |  | TRO |  | 
	
		| Grimmia homomalla (Hedw.) Sm. | Accepted |  | TRO |  | 
	
		| Grimmia hookeri Drumm. | Synonym |  | TRO |  | 
	
		| Grimmia hornii Stirt. | Synonym |  | TRO |  | 
	
		| Grimmia horrida J. Muñoz & Hespanhol | Accepted |  | TRO |  | 
	
		| Grimmia humilis Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia hutchinsonii R. Br. bis | Unresolved |  | TRO |  | 
	
		| Grimmia hyalino-cuspidata var. mutica Cardot & Broth. | Synonym |  | TRO |  | 
	
		| Grimmia hyalinocuspidata Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia hypnoides Lindb. | Synonym |  | TRO |  | 
	
		| Grimmia hypnoides var. robustum (Lindb.) C.E.O. Jensen | Unresolved |  | TRO |  | 
	
		| Grimmia imberbis Kunze ex Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia immergens Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia immersa Ochyra | Synonym |  | TRO |  | 
	
		| Grimmia immersoleucophaea (Müll. Hal.) Paris | Accepted |  | TRO |  | 
	
		| Grimmia inaequalis Stirt. | Synonym |  | TRO |  | 
	
		| Grimmia inclinata (Hedw.) Sm. | Accepted |  | TRO |  | 
	
		| Grimmia inconspicua Bertol. | Synonym |  | TRO |  | 
	
		| Grimmia incrassicapsulis B.G. Bell | Accepted |  | TRO |  | 
	
		| Grimmia incurva Schwägr. | Accepted |  | TRO |  | 
	
		| Grimmia incurva var. hagenii (Kaurin) C.E.O. Jensen | Synonym |  | TRO |  | 
	
		| Grimmia incurva var. tatrensis (Chal.) Herzog | Accepted |  | TRO |  | 
	
		| Grimmia incurva f. tatrensis Chal. | Synonym |  | TRO |  | 
	
		| Grimmia indianensis (Sayre) H.A. Crum | Synonym |  | TRO |  | 
	
		| Grimmia indica (Dixon & P. de la Varde) Goffinet & Greven | Accepted |  | TRO |  | 
	
		| Grimmia inflectens Mitt. | Synonym |  | TRO |  | 
	
		| Grimmia insularis Mitt. | Synonym |  | TRO |  | 
	
		| Grimmia integridens Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia involucrata Cardot | Accepted |  | TRO |  | 
	
		| Grimmia itatiaiae Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia itatiaiensis Broth. | Synonym |  | TRO |  | 
	
		| Grimmia jacquinii Garov. | Synonym |  | TRO |  | 
	
		| Grimmia jacquinii var. subimberbis Lindb. | Synonym |  | TRO |  | 
	
		| Grimmia jacutica Ignatova, Bednarek-Ochyra, O.M. Afonina & J. Muñoz | Synonym |  | TRO |  | 
	
		| Grimmia jaeggliana Giacom. | Synonym |  | TRO |  | 
	
		| Grimmia jamesii Austin | Synonym |  | TRO |  | 
	
		| Grimmia jan-mayensis Dusén | Accepted |  | TRO |  | 
	
		| Grimmia japonica (Dozy & Molk.) Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia julacea (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia kaikouraeensis R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia kansuana Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia kerguelensis Cardot | Synonym |  | TRO |  | 
	
		| Grimmia khasiana Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia kidderi James | Accepted |  | TRO |  | 
	
		| Grimmia kindbergii Holz. | Synonym |  | TRO |  | 
	
		| Grimmia kirienensis C. Gao | Unresolved |  | TRO |  | 
	
		| Grimmia kiyoshii S. Okamura | Unresolved |  | TRO |  | 
	
		| Grimmia konoi Broth. | Synonym |  | TRO |  | 
	
		| Grimmia laevidens Broth. | Accepted |  | TRO |  | 
	
		| Grimmia laevigata (Brid.) Brid. | Accepted |  | TRO |  | 
	
		| Grimmia laevigata var. elongata (Guim.) Guim. | Accepted |  | TRO |  | 
	
		| Grimmia laingii R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia lamellosa Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia lamprocarpa Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia lanceolata (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia lanuginosa (Hedw.) Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia latifolia (Schwägr.) F. Weber & D. Mohr | Synonym |  | TRO |  | 
	
		| Grimmia lawiana J. H. Willis | Accepted |  | TRO |  | 
	
		| Grimmia laxa Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia laxifolia Hook. f. | Synonym |  | TRO |  | 
	
		| Grimmia leibergii Paris | Accepted |  | TRO |  | 
	
		| Grimmia leiocarpa Taylor | Synonym |  | TRO |  | 
	
		| Grimmia leptotricha Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia lesherae Greven | Accepted |  | TRO |  | 
	
		| Grimmia leucophaea Grev. | Synonym |  | TRO |  | 
	
		| Grimmia leucophaea var. elongata Guim. | Synonym |  | TRO |  | 
	
		| Grimmia leucophaea var. latifolia Limpr. | Synonym |  | TRO |  | 
	
		| Grimmia leucophaeola Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia liliputana Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia limbatula Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia limprichtii Kern | Synonym |  | TRO |  | 
	
		| Grimmia linearis (Chal.) Paris | Accepted |  | TRO |  | 
	
		| Grimmia lisae De Not. | Accepted |  | TRO |  | 
	
		| Grimmia longicapusula C. Gao & T. Cao | Synonym |  | TRO |  | 
	
		| Grimmia longicaulis Dixon | Accepted |  | TRO |  | 
	
		| Grimmia longidens H. Philib. | Synonym |  | TRO |  | 
	
		| Grimmia longirostris Hook. | Accepted |  | TRO |  | 
	
		| Grimmia lorentziana (Müll. Hal.) Paris | Synonym |  | TRO |  | 
	
		| Grimmia macroperichaetialis Greven | Accepted |  | TRO |  | 
	
		| Grimmia macropulvinata Dusén | Synonym |  | TRO |  | 
	
		| Grimmia macrotheca Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia macrotyla Cardot & Broth. | Accepted |  | TRO |  | 
	
		| Grimmia madagassa Renauld & Cardot | Accepted |  | TRO |  | 
	
		| Grimmia maido Greven | Synonym |  | TRO |  | 
	
		| Grimmia mairei Cardot & Copp. | Accepted |  | TRO |  | 
	
		| Grimmia malacophylla (Herzog) Broth. | Accepted |  | TRO |  | 
	
		| Grimmia mammillaris Poech | Synonym |  | TRO |  | 
	
		| Grimmia mammosa C. Gao & T. Cao | Accepted |  | TRO |  | 
	
		| Grimmia manniae Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia maorica Paris | Synonym |  | TRO |  | 
	
		| Grimmia mardorfii Loeske & H. Winter | Synonym |  | TRO |  | 
	
		| Grimmia mariniana Sayre | Accepted |  | TRO |  | 
	
		| Grimmia maritima Turner ex Robt. Scott | Synonym |  | TRO |  | 
	
		| Grimmia maritima var. trachyphylla Stirt. | Synonym |  | TRO |  | 
	
		| Grimmia mauiensis Greven | Accepted |  | TRO |  | 
	
		| Grimmia maunakeaensis Greven | Accepted |  | TRO |  | 
	
		| Grimmia membranacea Mitt. | Synonym |  | TRO |  | 
	
		| Grimmia meridionalis (Müll. Hal.) E. Maier | Accepted |  | TRO |  | 
	
		| Grimmia mesopotamica Schiffner | Synonym |  | TRO |  | 
	
		| Grimmia meteorae C.C. Towns. | Synonym |  | TRO |  | 
	
		| Grimmia mexicana Greven | Accepted |  | TRO |  | 
	
		| Grimmia michauxii Torr. | Synonym |  | TRO |  | 
	
		| Grimmia microcarpa (Hedw.) Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia microglobosa Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia microodonta (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia microovata Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia microphylla (M. Fleisch.) M. Fleisch. | Synonym |  | TRO |  | 
	
		| Grimmia micropyxis Broth. | Unresolved |  | TRO |  | 
	
		| Grimmia microtricha Müll. Hal. & Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia milleri Hastings & Greven | Accepted |  | TRO |  | 
	
		| Grimmia minimeperichaetialis R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia minuta Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia minutifolia Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia mitchellii R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia mixta Herzog | Accepted |  | TRO |  | 
	
		| Grimmia molesta J. Muñoz | Accepted |  | TRO |  | 
	
		| Grimmia mollis Bruch & Schimp. | Accepted |  | TRO |  | 
	
		| Grimmia montana Bruch & Schimp. | Accepted |  | TRO |  | 
	
		| Grimmia montana var. abnoba H. Schmidt | Synonym |  | TRO |  | 
	
		| Grimmia montana var. brachyodon (Austin) Lesq. & James | Synonym |  | TRO |  | 
	
		| Grimmia montana var. epilosa Grav. ex Delogne | Synonym |  | TRO |  | 
	
		| Grimmia montana var. idahensis Renauld & Cardot | Synonym |  | TRO |  | 
	
		| Grimmia montana var. longifolia Cardot | Synonym |  | TRO |  | 
	
		| Grimmia montevidensis Thér. | Synonym |  | TRO |  | 
	
		| Grimmia moxleyi R.S. Williams | Accepted |  | TRO |  | 
	
		| Grimmia muehlenbeckii Schimp. | Accepted |  | TRO |  | 
	
		| Grimmia muehlenbeckii var. sardoa (De Not. ex Müll. Hal.) M. Fleisch. | Synonym |  | TRO |  | 
	
		| Grimmia muehlenbergii Brid. | Synonym |  | TRO |  | 
	
		| Grimmia muelleri B.S.G. ex Unger & Kotschy | Accepted |  | TRO |  | 
	
		| Grimmia murina Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia mutica Hampe | Accepted |  | TRO |  | 
	
		| Grimmia nanoglobosa Müll. Hal. ex E. Britton | Synonym |  | TRO |  | 
	
		| Grimmia navicularis Herzog | Accepted |  | TRO |  | 
	
		| Grimmia neevii Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia neilgherriensis Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia neilgiriensis D. Subram. | Accepted |  | TRO |  | 
	
		| Grimmia nepalensis Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia nevadensis Greven | Accepted |  | TRO |  | 
	
		| Grimmia nigella Herzog | Synonym |  | TRO |  | 
	
		| Grimmia nigrescens (Sw. ex Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia nigricans Lam. & DC. | Synonym |  | TRO |  | 
	
		| Grimmia nigrita (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia nigro-viridis var. robusticula Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia nigroviridis Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia nivalis Kindb. | Accepted |  | TRO |  | 
	
		| Grimmia nivea Dusén | Synonym |  | TRO |  | 
	
		| Grimmia nordenskioldii Cardot | Synonym |  | TRO |  | 
	
		| Grimmia norvegica Bryhn | Synonym |  | TRO |  | 
	
		| Grimmia novae-zeelandiae R. Br. bis | Accepted |  | TRO |  | 
	
		| Grimmia nuda (Dicks.) Turner | Accepted |  | TRO |  | 
	
		| Grimmia nutans Bruch | Accepted |  | TRO |  | 
	
		| Grimmia oamaruense R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia obliqua Hornsch. | Synonym |  | TRO |  | 
	
		| Grimmia obovata R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia obtusa Brid. | Synonym |  | TRO |  | 
	
		| Grimmia obtusata (Müll. Hal. & Hampe) A. Jaeger | Accepted |  | TRO |  | 
	
		| Grimmia obtusifolia C. Gao & T. Cao | Synonym |  | TRO |  | 
	
		| Grimmia obtusolinealis Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia occidentalis E. Lawton | Synonym |  | TRO |  | 
	
		| Grimmia occulta Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia ochracea Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia ochyriana J. Muñoz | Accepted |  | TRO |  | 
	
		| Grimmia oertzeniana Schultz | Synonym |  | TRO |  | 
	
		| Grimmia olivacea Herzog | Accepted |  | TRO |  | 
	
		| Grimmia olneyi Sull. | Accepted |  | TRO |  | 
	
		| Grimmia olympica E. Britton | Synonym |  | TRO |  | 
	
		| Grimmia oranica Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia orbicularis Bruch | Accepted |  | TRO |  | 
	
		| Grimmia orbicularis var. bescherellei Corb. | Synonym |  | TRO |  | 
	
		| Grimmia orbicularis var. patagonica Cardot | Synonym |  | TRO |  | 
	
		| Grimmia orbicularis var. persica Schiffner | Synonym |  | TRO |  | 
	
		| Grimmia orbicularis x pulvinata Vilh. | Unresolved |  | TRO |  | 
	
		| Grimmia ornithopodioides F. Weber & D. Mohr | Synonym |  | TRO |  | 
	
		| Grimmia ortholoma Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia orthotrichacea Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia orthotrichoides Hartm. | Synonym |  | TRO |  | 
	
		| Grimmia otii Sakurai | Synonym |  | TRO |  | 
	
		| Grimmia ovalis (Hedw.) Lindb. | Accepted |  | TRO |  | 
	
		| Grimmia ovalis var. affinis (Hornsch.) Broth. | Synonym |  | TRO |  | 
	
		| Grimmia ovalis f. affinis (Hornsch.) G.N. Jones | Accepted |  | TRO |  | 
	
		| Grimmia ovalis var. epilosa (Jur.) Warnst. | Accepted |  | TRO |  | 
	
		| Grimmia ovalis subsp. spitsbergensis (Bizot & Thér.) Podp. | Accepted |  | TRO |  | 
	
		| Grimmia ovata F. Weber & D. Mohr | Synonym |  | TRO |  | 
	
		| Grimmia ovata f. epilosa Jur. | Synonym |  | TRO |  | 
	
		| Grimmia ovata var. praecox Kern | Synonym |  | TRO |  | 
	
		| Grimmia ovataeformis Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia pachyloma (Mont.) Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia pachyneurula Müll. Hal. & Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia pachyphylla Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia pacifica E. Lawton | Synonym |  | TRO |  | 
	
		| Grimmia pansa R.S. Williams | Synonym |  | TRO |  | 
	
		| Grimmia panschii Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia papillinervis Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia papillosa Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia papillulata Stirt. | Synonym |  | TRO |  | 
	
		| Grimmia paramattensis Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia parasitica Voit | Synonym |  | TRO |  | 
	
		| Grimmia patagonica Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia patens Hornsch. | Synonym |  | TRO |  | 
	
		| Grimmia patens var. brachydictyon (Cardot) Iisiba | Synonym |  | TRO |  | 
	
		| Grimmia pellucida (Kindb.) Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia pennsylvanica var. bestii Grout | Synonym |  | TRO |  | 
	
		| Grimmia pensilvanica Schwägr. | Synonym |  | TRO |  | 
	
		| Grimmia percarinata (Dixon & Sakurai) Nog. ex Deguchi | Accepted |  | TRO |  | 
	
		| Grimmia perichaetialis P. de la Varde | Accepted |  | TRO |  | 
	
		| Grimmia perpilosa Ochyra | Synonym |  | TRO |  | 
	
		| Grimmia perplexa Thér. | Synonym |  | TRO |  | 
	
		| Grimmia peruviana Sull. | Synonym |  | TRO |  | 
	
		| Grimmia petriei R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia pflanzii Broth. | Accepted |  | TRO |  | 
	
		| Grimmia philibertiana E. Britton | Synonym |  | TRO |  | 
	
		| Grimmia philibertii Giacom. | Unresolved |  | TRO |  | 
	
		| Grimmia phyllantha Lindb. ex Broth. | Synonym |  | TRO |  | 
	
		| Grimmia phyllorhizans Broth. | Synonym |  | TRO |  | 
	
		| Grimmia phyllorhizans subsp. longidens (H. Philib.) Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia pilifera P. Beauv. | Accepted |  | TRO |  | 
	
		| Grimmia pilifera subsp. longidens (H. Philib.) Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia pilosissima Herzog | Accepted |  | TRO |  | 
	
		| Grimmia pitardii Corb. | Accepted |  | TRO |  | 
	
		| Grimmia plagiopodia Hedw. | Accepted |  | TRO |  | 
	
		| Grimmia platyphylla Mitt. | Synonym |  | TRO |  | 
	
		| Grimmia polita Stirt. | Synonym |  | TRO |  | 
	
		| Grimmia pomiformis (Hook.) Brid. | Accepted |  | TRO |  | 
	
		| Grimmia praemorsa (Müll. Hal.) Paris | Accepted |  | TRO |  | 
	
		| Grimmia praetermissa Cardot | Synonym |  | TRO |  | 
	
		| Grimmia procera Bals.-Criv. & De Not. | Synonym |  | TRO |  | 
	
		| Grimmia procumbens Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia prolifera Müll. Hal. & Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia protensum (A. Braun ex Duby) Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia pruinosa Wilson | Synonym |  | TRO |  | 
	
		| Grimmia pseudoacicularis Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia pseudoanodon Deguchi | Accepted |  | TRO |  | 
	
		| Grimmia pseudomontana Cardot & Thér. | Synonym |  | TRO |  | 
	
		| Grimmia pseudopatens Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia pseudorivularis Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia pseudorivularis subsp. lancifolia Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia ptychophylla Mitt. | Synonym |  | TRO |  | 
	
		| Grimmia pulla Cardot | Accepted |  | TRO |  | 
	
		| Grimmia pulla var. squarrosa Thér. | Synonym |  | TRO |  | 
	
		| Grimmia pullulans Kaulf. ex Spreng. | Synonym |  | TRO |  | 
	
		| Grimmia pulvinata (Hedw.) Sm. | Accepted |  | TRO |  | 
	
		| Grimmia pulvinata var. africana (Hedw.) Hook. f. & Wilson | Synonym |  | TRO |  | 
	
		| Grimmia pulvinata var. bescherellei (Corb.) Wijk & Margad. | Accepted |  | TRO |  | 
	
		| Grimmia pulvinata var. brevipila (Boulay) Dalla Torre & Sarnth. | Accepted |  | TRO |  | 
	
		| Grimmia pulvinata f. brevipila Boulay | Synonym |  | TRO |  | 
	
		| Grimmia pulvinata var. longepilosa (Matousch.) Latzel | Accepted |  | TRO |  | 
	
		| Grimmia pulvinata f. longepilosa Matousch. | Synonym |  | TRO |  | 
	
		| Grimmia pulvinata var. pulvinata | Synonym |  | TRO |  | 
	
		| Grimmia pulvinata var. robusta (Boulay) Dalla Torre & Sarnth. | Accepted |  | TRO |  | 
	
		| Grimmia pulvinata f. robusta Boulay | Synonym |  | TRO |  | 
	
		| Grimmia pulvinatula Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia pusilla (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia pycnotricha Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia pygmaea Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia pyrenaica Kern | Synonym |  | TRO |  | 
	
		| Grimmia quadricruris Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia ramondii (Lam. & DC.) Margad. | Accepted |  | TRO |  | 
	
		| Grimmia ramulosa (Lindb.) Lindb. | Accepted |  | TRO |  | 
	
		| Grimmia raui Austin | Synonym |  | TRO |  | 
	
		| Grimmia readeri Broth. | Accepted |  | TRO |  | 
	
		| Grimmia recurvata Hedw. | Synonym |  | TRO |  | 
	
		| Grimmia recurvirostris (Hedw.) Turner | Accepted |  | TRO |  | 
	
		| Grimmia redunca Wilson ex Mitt. | Synonym |  | TRO |  | 
	
		| Grimmia reflexidens Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia retracta Stirt. | Accepted |  | TRO |  | 
	
		| Grimmia revisa R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia rhaphidostega Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia richardii (Brid.) Spreng. | Accepted |  | TRO |  | 
	
		| Grimmia rigida Brid. | Synonym |  | TRO |  | 
	
		| Grimmia rigidissima Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia rivulariopsis R.S. Williams | Synonym |  | TRO |  | 
	
		| Grimmia rivularis Brid. | Synonym |  | TRO |  | 
	
		| Grimmia robusta Nees & Hornsch. | Synonym |  | TRO |  | 
	
		| Grimmia robustifolia (Kindb.) Kindb. | Accepted |  | TRO |  | 
	
		| Grimmia rotunda R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia rubescens Stirt. | Synonym |  | TRO |  | 
	
		| Grimmia rufa Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia rupestris (Hook. f. & Wilson) Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia rupincola F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia ryanii Limpr. ex Bryhn | Synonym |  | TRO |  | 
	
		| Grimmia sanii Greven | Synonym |  | TRO |  | 
	
		| Grimmia santaritae E.B. Bartram | Synonym |  | TRO |  | 
	
		| Grimmia santaritae f. propagulifera E.B. Bartram | Synonym |  | TRO |  | 
	
		| Grimmia sarcocalyx Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia sardoa De Not. ex Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia sardoa var. gracilis Warnst. & M. Fleisch. | Synonym |  | TRO |  | 
	
		| Grimmia saxatilis Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia saxicola (F. Weber & D. Mohr) Hook. & Taylor | Accepted |  | TRO |  | 
	
		| Grimmia scabrifolia Broth. | Synonym |  | TRO |  | 
	
		| Grimmia scabripes E.B. Bartram | Accepted |  | TRO |  | 
	
		| Grimmia schiedeana Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia schimperi Bruch & Schimp. ex Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia schisti F. Weber & D. Mohr | Synonym |  | TRO |  | 
	
		| Grimmia schleicheri Spreng. | Accepted |  | TRO |  | 
	
		| Grimmia schubartiana Lorentz | Synonym |  | TRO |  | 
	
		| Grimmia sciuroides Nees & Hornsch. | Accepted |  | TRO |  | 
	
		| Grimmia scouleri (Müll. Hal.) Lesq. & James | Accepted |  | TRO |  | 
	
		| Grimmia searellii R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia seligeri F. Weber & D. Mohr | Synonym |  | TRO |  | 
	
		| Grimmia senilis J. Shaw | Synonym |  | TRO |  | 
	
		| Grimmia serrana J. Muñoz, Shevock & D.R. Toren | Accepted |  | TRO |  | 
	
		| Grimmia serrata Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia serratomucronata Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia sessitana De Not. | Accepted |  | TRO |  | 
	
		| Grimmia shastai Greven | Accepted |  | TRO |  | 
	
		| Grimmia sinaica Bruch & Schimp. | Synonym |  | TRO |  | 
	
		| Grimmia sinensi-anodon Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia sinensiapocarpa Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia singarensis Schiffner | Synonym |  | TRO |  | 
	
		| Grimmia somervellii Dixon | Synonym |  | TRO |  | 
	
		| Grimmia sordida (I. Hagen) Broth. | Synonym |  | TRO |  | 
	
		| Grimmia speciosa Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia speirophylla Herzog | Synonym |  | TRO |  | 
	
		| Grimmia speirophylla f. humilis Herzog | Synonym |  | TRO |  | 
	
		| Grimmia spiralis Hook. | Synonym |  | TRO |  | 
	
		| Grimmia spitsbergensis Bizot & Thér. | Synonym |  | TRO |  | 
	
		| Grimmia squamatula Herzog | Accepted |  | TRO |  | 
	
		| Grimmia starckeana (Hedw.) F. Weber & D. Mohr | Accepted |  | TRO |  | 
	
		| Grimmia stenobasis Dixon | Accepted |  | TRO |  | 
	
		| Grimmia stenophylla Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia stenopyxis Thér. | Synonym |  | TRO |  | 
	
		| Grimmia stevensii R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia stirlingii Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia stirtonii Schimp. | Synonym |  | TRO |  | 
	
		| Grimmia stolonifera Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia streptophylla Sull. | Accepted |  | TRO |  | 
	
		| Grimmia stricta Turner | Synonym |  | TRO |  | 
	
		| Grimmia strictifolia Mitt. | Synonym |  | TRO |  | 
	
		| Grimmia strigosa Brid. | Unresolved |  | TRO |  | 
	
		| Grimmia stylostegia Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia subanodon Ochyra | Synonym |  | TRO |  | 
	
		| Grimmia subaquila Stirt. | Synonym |  | TRO |  | 
	
		| Grimmia subcaespiticia Schiffner | Synonym |  | TRO |  | 
	
		| Grimmia subcallosa Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia subconferta Broth. | Accepted |  | TRO |  | 
	
		| Grimmia subcrispipila Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia subcurvula Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia subdoniana Nog. | Unresolved |  | TRO |  | 
	
		| Grimmia subflaccida Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia subflexifolia Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia subfusca Wilson | Synonym |  | TRO |  | 
	
		| Grimmia subincurva Austin | Synonym |  | TRO |  | 
	
		| Grimmia sublamprocarpa Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia subleucophaea Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia sublurida Stirt. | Synonym |  | TRO |  | 
	
		| Grimmia subnigrita Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia suborthotrichacea Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia subovata Schimp. | Synonym |  | TRO |  | 
	
		| Grimmia subpapillinervis Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia subpraemorsa (Broth.) Broth. | Accepted |  | TRO |  | 
	
		| Grimmia subquatricruris Broth. | Synonym |  | TRO |  | 
	
		| Grimmia subsecunda (Hook. & Grev. ex Harv.) Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia subsquarrosa Wilson | Synonym |  | TRO |  | 
	
		| Grimmia subsulcata Limpr. | Synonym |  | TRO |  | 
	
		| Grimmia subtergestina Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia sudetica Spreng. ex Schkuhr | Synonym |  | TRO |  | 
	
		| Grimmia sulcata Saut. | Synonym |  | TRO |  | 
	
		| Grimmia sulcipila Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia sullivanii Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia sumatrana Dixon | Synonym |  | TRO |  | 
	
		| Grimmia sundaica (Müll. Hal.) Mitt. | Accepted |  | TRO |  | 
	
		| Grimmia suspecta Paris | Synonym |  | TRO |  | 
	
		| Grimmia symphyodonta Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia syntrichiacea Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia tarentasiensis (Sebille) Culm. | Synonym |  | TRO |  | 
	
		| Grimmia tasmanica Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia tenax Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia tenella (Müll. Hal.) Macoun & Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia tenera J.E. Zetterst. | Synonym |  | TRO |  | 
	
		| Grimmia tenerrima Renauld & Cardot | Synonym |  | TRO |  | 
	
		| Grimmia tenuicaulis R.S. Williams | Synonym |  | TRO |  | 
	
		| Grimmia tenuis T. Barker ex G. Roth | Synonym |  | TRO |  | 
	
		| Grimmia teretinervis Limpr. | Accepted |  | TRO |  | 
	
		| Grimmia tergestina Tomm. ex B.S.G. | Accepted |  | TRO |  | 
	
		| Grimmia tergestina var. jaeggliana (Giacom.) Podp. | Accepted |  | TRO |  | 
	
		| Grimmia tergestina var. poecilostoma Loeske | Accepted |  | TRO |  | 
	
		| Grimmia tergestina x anodon Dixon & Holz. | Unresolved |  | TRO |  | 
	
		| Grimmia tergestina x orbicularis H. Philib. ex Loeske | Accepted |  | TRO |  | 
	
		| Grimmia tergestinoides Culm. | Synonym |  | TRO |  | 
	
		| Grimmia texicana Greven | Accepted |  | TRO |  | 
	
		| Grimmia tolucensis Cardot | Synonym |  | TRO |  | 
	
		| Grimmia torenii Hastings | Accepted |  | TRO |  | 
	
		| Grimmia torngakiana Brassard & Hedd. | Synonym |  | TRO |  | 
	
		| Grimmia torquata Drumm. | Accepted |  | TRO |  | 
	
		| Grimmia torquata subsp. pellucida (Kindb.) Paris | Accepted |  | TRO |  | 
	
		| Grimmia torquata var. torquata | Synonym |  | TRO |  | 
	
		| Grimmia torreyana Brid. | Accepted |  | TRO |  | 
	
		| Grimmia torta Nees & Hornsch. | Synonym |  | TRO |  | 
	
		| Grimmia tortifolia Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia tortifolia subsp. pellucida Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia tortipila Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia tortuosa Hook. f. & Wilson | Accepted |  | TRO |  | 
	
		| Grimmia trichodes (F. Weber) Sm. | Accepted |  | TRO |  | 
	
		| Grimmia trichodon Brid. | Synonym |  | TRO |  | 
	
		| Grimmia trichophylla Grev. | Accepted |  | TRO |  | 
	
		| Grimmia trichophylla var. brachycarpa De Not. | Synonym |  | TRO |  | 
	
		| Grimmia trichophylla var. epilosa (Warnst.) Warnst. | Accepted |  | TRO |  | 
	
		| Grimmia trichophylla f. epilosa Warnst. | Synonym |  | TRO |  | 
	
		| Grimmia trichophylla var. indianensis Sayre | Synonym |  | TRO |  | 
	
		| Grimmia trichophylla var. longipila (Warnst.) Warnst. | Accepted |  | TRO |  | 
	
		| Grimmia trichophylla f. longipila Warnst. | Synonym |  | TRO |  | 
	
		| Grimmia trichophylla var. meridionalis Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia trichophylla var. muehlenbeckii (Schimp.) Husn. | Synonym |  | TRO |  | 
	
		| Grimmia trichophylla subsp. sardoa (De Not. ex Müll. Hal.) Bott. | Accepted |  | TRO |  | 
	
		| Grimmia trichophylla var. subincurva H. Winter | Synonym |  | TRO |  | 
	
		| Grimmia trichophylla subsp. subsquarrosa (Wilson) Dixon | Accepted |  | TRO |  | 
	
		| Grimmia trichophylla var. teneriffae Renauld & Cardot | Synonym |  | TRO |  | 
	
		| Grimmia trichophylla var. tenuis (Wahlenb.) Wijk & Margad. | Synonym |  | TRO |  | 
	
		| Grimmia trichophylloidea Schimp. ex Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia trifaria (Brid.) F. Weber & D. Mohr | Synonym |  | TRO |  | 
	
		| Grimmia triformis Carestia & De Not. | Accepted |  | TRO |  | 
	
		| Grimmia trinervis R.S. Williams | Accepted |  | TRO |  | 
	
		| Grimmia tristicha (Brid.) Schwägr. | Accepted |  | TRO |  | 
	
		| Grimmia tristicha var. comosa Herzog | Synonym |  | TRO |  | 
	
		| Grimmia tristichoides Margad. | Accepted |  | TRO |  | 
	
		| Grimmia trollii Herzog | Synonym |  | TRO |  | 
	
		| Grimmia truncatoapocarpa Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia tunariensis (Herzog) Broth. | Accepted |  | TRO |  | 
	
		| Grimmia turbinata R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia turneri R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia uncinata Kaulf. | Synonym |  | TRO |  | 
	
		| Grimmia uncinata subsp. torquata (Drumm.) Hampe | Synonym |  | TRO |  | 
	
		| Grimmia undulata Stirt. | Synonym |  | TRO |  | 
	
		| Grimmia ungeri Jur. | Accepted |  | TRO |  | 
	
		| Grimmia unicolor Hook. | Accepted |  | TRO |  | 
	
		| Grimmia unicolor var. piligera (Molendo) Grav. | Accepted |  | TRO |  | 
	
		| Grimmia unicolor f. piligera Molendo | Synonym |  | TRO |  | 
	
		| Grimmia unicruris Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia urceolaris Schleich. ex Nees & Hornsch. | Accepted |  | TRO |  | 
	
		| Grimmia urnulacea Müll. Hal. | Accepted |  | TRO |  | 
	
		| Grimmia vaginulata K. M. Kellman | Accepted |  | TRO |  | 
	
		| Grimmia varia Mitt. | Synonym |  | TRO |  | 
	
		| Grimmia velutina Kindb. | Synonym |  | TRO |  | 
	
		| Grimmia vernicosula Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia versabilis R. Br. bis | Synonym |  | TRO |  | 
	
		| Grimmia verticillata (Hedw.) Sm. | Accepted |  | TRO |  | 
	
		| Grimmia verticillatula Thér. & Trab. | Accepted |  | TRO |  | 
	
		| Grimmia vulcanica Besch. | Accepted |  | TRO |  | 
	
		| Grimmia watsonii Lesq. & James | Synonym |  | TRO |  | 
	
		| Grimmia webbii R. Br. bis | Unresolved |  | TRO |  | 
	
		| Grimmia williamsii Deguchi | Accepted |  | TRO |  | 
	
		| Grimmia willii Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia wilsonii Greven | Accepted |  | TRO |  | 
	
		| Grimmia woollsiana Müll. Hal. | Synonym |  | TRO |  | 
	
		| Grimmia wrightii (Sull.) Austin | Accepted |  | TRO |  | 
	
		| Grimmia yaulensis Broth. | Accepted |  | TRO |  | 
	
		| Grimmia zahlbruckneri Garov. | Synonym |  | TRO |  | 
	
		| Grimmia zygodonticaulis Müll. Hal. | Synonym |  | TRO |  |