The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

You should refer instead to the current version of The Plant List.

Results

No plant names match your search for Orthotrichum robustum; we will try Orthotrichum instead.

873 plant name records match your search criteria Orthotrichum. The results are below.

• Genus Orthotrichum is in the family Orthotrichaceae. Species epithets begin with: A B C D E F G H I J K L M N O P Q R S T U V W

The results can also be downloaded as a CSV file.

See "Status", "Confidence level", "Source" for definitions.

Name	Status	Confi­dence level	Source
Orthotrichum abbreviatum Gronvall	Synonym		TRO
Orthotrichum abyssinicum Hampe	Unresolved		TRO
Orthotrichum aciculare Hook. & Grev.	Unresolved		TRO
Orthotrichum acroblepharis Müll. Hal.	Synonym		TRO
Orthotrichum acuminatum R. Br. bis	Synonym		TRO
Orthotrichum acutifolium Hook. & Grev.	Synonym		TRO
Orthotrichum adfine Schrad.	Unresolved		TRO
Orthotrichum aequatoreum Mitt.	Accepted		TRO
Orthotrichum aetnense De Not.	Synonym		TRO
Orthotrichum affine Schrad. ex Brid.	Accepted		TRO
Orthotrichum affine Schwägr.	Synonym		TRO
Orthotrichum affine var. appendiculatum (Schimp.) Venturi	Synonym		TRO
Orthotrichum affine var. fallax (Bruch ex Brid.) Hampe	Synonym		TRO
Orthotrichum affine var. fastigiatum (Bruch ex Brid.) Huebener	Synonym		TRO
Orthotrichum affine var. microstomum J.J. Amann	Synonym		TRO
Orthotrichum affine var. neglectum Venturi	Accepted		TRO
Orthotrichum affine var. octoblepharis (Brid.) Brid.	Accepted		TRO
Orthotrichum affine var. patens (Bruch & Brid.) Garov.	Synonym		TRO
Orthotrichum affine subsp. praemorsum (Venturi) Kindb.	Synonym		TRO
Orthotrichum affine var. rivale Wilson ex Braithw.	Synonym		TRO
Orthotrichum affine var. robustum (Limpr.) Warnst.	Synonym		TRO
Orthotrichum affine var. rupestre Brid.	Synonym		TRO
Orthotrichum affine var. speciosum (Nees) Hartm.	Synonym		TRO
Orthotrichum afrofastigiatum Müll. Hal.	Unresolved		TRO
Orthotrichum albidum Hedw. ex Wijk, Margad. & Florsch.	Unresolved		TRO
Orthotrichum alpestre Hornsch. ex B.S.G.	Accepted		TRO
Orthotrichum alpestre Wilson	Synonym		TRO
Orthotrichum alpestre var. berggrenii (E.B. Bartram) Lewinsky	Accepted		TRO
Orthotrichum alpestre var. dilatatum Venturi	Synonym		TRO
Orthotrichum alpestre var. occidentale (James) Grout	Accepted		TRO
Orthotrichum alpestre var. watsonii (James) Grout	Accepted		TRO
Orthotrichum alpicola Brid.	Unresolved		TRO
Orthotrichum amabile Toyama	Synonym		TRO
Orthotrichum amannii Culm.	Synonym		TRO
Orthotrichum americanum P. Beauv.	Synonym		TRO
Orthotrichum amoenum Hornsch.	Unresolved		TRO
Orthotrichum anaglyptodon Cardot & Broth.	Unresolved		TRO
Orthotrichum anderssonii Müll. Hal. ex Ångström	Synonym		TRO
Orthotrichum angulosum P. Beauv.	Synonym		TRO
Orthotrichum angustifolium Hook. f. & Wilson	Synonym		TRO
Orthotrichum angustissimum Dusén	Synonym		TRO
Orthotrichum anodon Garilleti et al.	Unresolved		TRO
Orthotrichum anodon F. Lara, Garilleti & Mazimpaka	Unresolved		TRO
Orthotrichum anomalum Hedw.	Accepted		TRO
Orthotrichum anomalum var. americanum (P. Beauv.) Brid.	Synonym		TRO
Orthotrichum anomalum subsp. anomalum (Hedw.) Bertsch	Accepted		TRO
Orthotrichum anomalum subsp. cusianum (De Not.) Grav.	Accepted		TRO
Orthotrichum anomalum var. cusianum De Not.	Synonym		TRO
Orthotrichum anomalum subsp. defluens Venturi	Synonym		TRO
Orthotrichum anomalum var. defluens (Venturi) Venturi	Accepted		TRO
Orthotrichum anomalum var. montanum Venturi	Synonym		TRO
Orthotrichum anomalum var. niveocalyptra (Mönk.) E. Piccioli	Accepted		TRO
Orthotrichum anomalum f. niveocalyptra Mönk.	Synonym		TRO
Orthotrichum anomalum subsp. nudum (Dicks.) J.J. Amann	Accepted		TRO
Orthotrichum anomalum var. pellucidum (Lindb.) Venturi	Synonym		TRO
Orthotrichum anomalum subsp. saxatile (Milde) Boulay	Accepted		TRO
Orthotrichum anomalum var. saxatile Milde	Synonym		TRO
Orthotrichum anomalum x stramineum R. Ruthe	Unresolved		TRO
Orthotrichum antarcticum Cardot	Synonym		TRO
Orthotrichum apiculatum Hook.	Synonym		TRO
Orthotrichum apiculatum Mitt.	Synonym		TRO
Orthotrichum appendiculatum Schimp.	Synonym		TRO
Orthotrichum araucarieti Müll. Hal.	Unresolved		TRO
Orthotrichum arborescens Thér. & Naveau	Unresolved		TRO
Orthotrichum arcangelianum Massari	Synonym		TRO
Orthotrichum arcticum Schimp.	Synonym		TRO
Orthotrichum arcticum var. blyttii (Schimp.) Cardot & Thér.	Unresolved		TRO
Orthotrichum arcticum var. groenlandicum (Berggr.) Mönk.	Synonym		TRO
Orthotrichum arcticum var. microblephare (Schimp.) Mönk.	Unresolved		TRO
Orthotrichum arcticum var. praemorsum (Venturi) Wijk & Margad.	Unresolved		TRO
Orthotrichum arctum R. Br. bis	Synonym		TRO
Orthotrichum argentinicum Herzog	Synonym		TRO
Orthotrichum aristatum Hampe	Synonym		TRO
Orthotrichum aristoblepharum Herzog	Synonym		TRO
Orthotrichum armatum Lewinsky & van Rooy	Unresolved		TRO
Orthotrichum arnellii Gronvall	Accepted		TRO
Orthotrichum arnellii var. aurantiacum Medelius	Accepted		TRO
Orthotrichum arnellii var. boreale (Gronvall) Medelius	Accepted		TRO
Orthotrichum arnellii var. scopulorum (Lindb.) K. Krieg.	Accepted		TRO
Orthotrichum assamicum Griff.	Synonym		TRO
Orthotrichum assimile Müll. Hal.	Accepted		TRO
Orthotrichum atratum Mitt.	Synonym		TRO
Orthotrichum atrofastigiatum Müll. Hal. ex Wijk, Margad. & Florsch.	Unresolved		TRO
Orthotrichum aucklandicum (Vitt) Goffinet	Accepted		TRO
Orthotrichum aurantiacum Gronvall	Synonym		TRO
Orthotrichum aurantiorum Müll. Hal.	Synonym		TRO
Orthotrichum aureum Martensson	Synonym		TRO
Orthotrichum auridens Schimp.	Unresolved		TRO
Orthotrichum australe Jur.	Synonym		TRO
Orthotrichum austrocupulatum Dixon & Sainsbury	Synonym		TRO
Orthotrichum austropulchellum Müll. Hal.	Synonym		TRO
Orthotrichum avonense R. Br. bis	Synonym		TRO
Orthotrichum baldaccii Bott. & Venturi	Synonym		TRO
Orthotrichum barclayi (Mitt.) Kindb.	Accepted		TRO
Orthotrichum barthii Sendtn.	Synonym		TRO
Orthotrichum bartramii R.S. Williams	Accepted		TRO
Orthotrichum beckettii Müll. Hal.	Synonym		TRO
Orthotrichum beckettii R. Br. bis	Synonym		TRO
Orthotrichum bellum Müll. Hal.	Synonym		TRO
Orthotrichum benmorense R. Br. bis	Synonym		TRO
Orthotrichum bequaertii Thér. & Naveau	Synonym		TRO
Orthotrichum berggrenii E.B. Bartram	Synonym		TRO
Orthotrichum berthoumiaei Buyss.	Unresolved		TRO
Orthotrichum bicolor Thér.	Accepted		TRO
Orthotrichum biocarpum B.S.G.	Unresolved		TRO
Orthotrichum bistratosum (Schiffner) J. Guerra	Accepted		TRO
Orthotrichum blyttii Schimp.	Synonym		TRO
Orthotrichum blyttii subsp. arcticum (Schimp.) Macoun	Unresolved		TRO
Orthotrichum blyttii var. arcticum (Schimp.) I. Hagen	Synonym		TRO
Orthotrichum blyttii var. groenlandicum (Berggr.) C.E.O. Jensen	Synonym		TRO
Orthotrichum blyttii subsp. microblephare (Schimp.) Macoun	Synonym		TRO
Orthotrichum blyttii var. microblephare (Schimp.) C.E.O. Jensen	Synonym		TRO
Orthotrichum blyttii subsp. mitigatum (I. Hagen) Podp.	Unresolved		TRO
Orthotrichum blyttii var. sommerfeltii (Schimp.) I. Hagen	Unresolved		TRO
Orthotrichum bolanderi Sull.	Unresolved		TRO
Orthotrichum boreale Gronvall	Synonym		TRO
Orthotrichum boulayi Kindb.	Unresolved		TRO
Orthotrichum brachytrichum Schimp. ex Lesq. & James	Synonym		TRO
Orthotrichum brassii E.B. Bartram	Unresolved		TRO
Orthotrichum braunii Bruch & Schimp.	Synonym		TRO
Orthotrichum breutellii Hampe	Synonym		TRO
Orthotrichum breve P. Beauv.	Synonym		TRO
Orthotrichum breve R. Br. bis	Synonym		TRO
Orthotrichum brevicolle Mitt.	Synonym		TRO
Orthotrichum brevinerve Lindb.	Synonym		TRO
Orthotrichum brevirostrum R. Br. bis	Synonym		TRO
Orthotrichum brevisetum R. Br. bis	Synonym		TRO
Orthotrichum brigantiacum Culm.	Synonym		TRO
Orthotrichum brotheri Dusén ex Lewinsky	Unresolved		TRO
Orthotrichum brownianum (Dicks.) Sw.	Synonym		TRO
Orthotrichum brownii Paris	Synonym		TRO
Orthotrichum bruchii Huebener	Synonym		TRO
Orthotrichum bruchii (Hornsch.) Spruce	Synonym		TRO
Orthotrichum bruchii var. dilatatum (Bruch & Schimp.) Büse	Unresolved		TRO
Orthotrichum bryoides Griff.	Synonym		TRO
Orthotrichum bullatum Müll. Hal.	Synonym		TRO
Orthotrichum caespitosum Herzog	Synonym		TRO
Orthotrichum calcareum R. Br. bis	Synonym		TRO
Orthotrichum calcareum (Venturi) Venturi	Accepted		TRO
Orthotrichum californicum Venturi	Synonym		TRO
Orthotrichum callistomoides Broth.	Synonym		TRO
Orthotrichum callistomum Fisch.-Oost. ex Bruch & Schimp.	Accepted		TRO
Orthotrichum calvescens (Wilson) Carrington	Synonym		TRO
Orthotrichum calvum Hook. f. & Wilson	Accepted		TRO
Orthotrichum calvum var. brevisetum Dixon	Synonym		TRO
Orthotrichum campbelliae Watts & Whitel.	Synonym		TRO
Orthotrichum canadense Bruch & Schimp.	Synonym		TRO
Orthotrichum cancellatum Cardot & Thér.	Synonym		TRO
Orthotrichum canum Mitt.	Synonym		TRO
Orthotrichum capense O'Shea	Unresolved		TRO
Orthotrichum carinatum (Mitt.) Mitt.	Accepted		TRO
Orthotrichum carinthiacum Glow.	Synonym		TRO
Orthotrichum caroli-muelleri Molendo	Synonym		TRO
Orthotrichum casasianum F. Lara, Garilleti & Mazimpaka	Unresolved		TRO
Orthotrichum caucasicum Venturi	Synonym		TRO
Orthotrichum chilense Mitt.	Synonym		TRO
Orthotrichum cirrhatum Bernh.	Unresolved		TRO
Orthotrichum cirrosum (Hedw.) Hook. & Grev.	Synonym		TRO
Orthotrichum citrinum Austin	Synonym		TRO
Orthotrichum clathratum Cardot	Synonym		TRO
Orthotrichum clavatum Bernh.	Unresolved		TRO
Orthotrichum clavellatum Hook. & Grev.	Synonym		TRO
Orthotrichum clintonii R. Br. bis	Synonym		TRO
Orthotrichum coarctatum P. Beauv.	Synonym		TRO
Orthotrichum coarctatum var. dilatatum (Bruch & Schimp.) Rabenh.	Synonym		TRO
Orthotrichum columbicum Mitt.	Synonym		TRO
Orthotrichum commune P. Beauv.	Unresolved		TRO
Orthotrichum commutatum Bruch	Synonym		TRO
Orthotrichum compactum Dusén	Accepted		TRO
Orthotrichum compositum (Hedw.) Brid.	Synonym		TRO
Orthotrichum concavifolium Griff.	Synonym		TRO
Orthotrichum conceptionense Thér.	Synonym		TRO
Orthotrichum confertum Bruch	Synonym		TRO
Orthotrichum conicorostrum R. Br. bis	Synonym		TRO
Orthotrichum connectens Kindb.	Synonym		TRO
Orthotrichum consimile Mitt.	Accepted		TRO
Orthotrichum consobrinum Cardot	Accepted		TRO
Orthotrichum coralloides Duby	Synonym		TRO
Orthotrichum coulteri Mitt.	Synonym		TRO
Orthotrichum courtoisii Broth. & Paris	Synonym		TRO
Orthotrichum crassifolium Hook. f. & Wilson	Synonym		TRO
Orthotrichum crassifolium var. acutum Müll. Hal.	Synonym		TRO
Orthotrichum crenatoerosum Müll. Hal.	Synonym		TRO
Orthotrichum crenulatum Mitt.	Accepted		TRO
Orthotrichum cribrosum Müll. Hal.	Synonym		TRO
Orthotrichum crispatum (Hedw.) Hook. & Grev.	Synonym		TRO
Orthotrichum crispifolium Broth.	Unresolved		TRO
Orthotrichum crispulum (Bruch) Hornsch. ex B.S.G.	Synonym		TRO
Orthotrichum crispum Hedw.	Synonym		TRO
Orthotrichum crispum subsp. crispulum (Bruch) W. Nyl. & Saelan	Synonym		TRO
Orthotrichum crispum var. curvifolium (Wahlenb.) Wahlenb.	Synonym		TRO
Orthotrichum croceum Hampe	Unresolved		TRO
Orthotrichum cupulatum Hoffm. ex Brid.	Accepted		TRO
Orthotrichum cupulatum var. abbreviatum (Gronvall) Mönk.	Accepted		TRO
Orthotrichum cupulatum var. austrocupulatum (Dixon & Sainsbury) Lewinsky	Accepted		TRO
Orthotrichum cupulatum var. baldaccii (Bott. & Venturi) Podp.	Accepted		TRO
Orthotrichum cupulatum var. bistratosum Schiffner	Synonym		TRO
Orthotrichum cupulatum f. bistratosum (Schiffner) Lazarenko	Synonym		TRO
Orthotrichum cupulatum var. brevinerve (Lindb.) J.J. Amann	Accepted		TRO
Orthotrichum cupulatum var. calcareum Venturi	Synonym		TRO
Orthotrichum cupulatum var. commutatum (Bruch) Jansen & Wacht.	Accepted		TRO
Orthotrichum cupulatum var. confertum (Bruch) Huebener	Accepted		TRO
Orthotrichum cupulatum subsp. crispulum (Bruch) Boulay	Synonym		TRO
Orthotrichum cupulatum var. crispulum (Bruch) Dalla Torre	Synonym		TRO
Orthotrichum cupulatum var. fuscum (Venturi) Boulay	Synonym		TRO
Orthotrichum cupulatum var. immersum (Herzog) Podp.	Accepted		TRO
Orthotrichum cupulatum var. jamesianum (Sull.) E. Lawton	Accepted		TRO
Orthotrichum cupulatum var. juranum (Meyl.) E. Piccioli	Accepted		TRO
Orthotrichum cupulatum subsp. juranum Meyl.	Synonym		TRO
Orthotrichum cupulatum var. mucronatum (Venturi) Paris	Accepted		TRO
Orthotrichum cupulatum subsp. nudum (Dicks.) Kindb.	Synonym		TRO
Orthotrichum cupulatum var. nudum (Dicks.) Lindb.	Accepted		TRO
Orthotrichum cupulatum var. parvulum (Mitt.) Sull.	Accepted		TRO
Orthotrichum cupulatum var. peckei (Sull. & Lesq.) Sull.	Accepted		TRO
Orthotrichum cupulatum var. pellucidum (Lindb.) Podp.	Accepted		TRO
Orthotrichum cupulatum var. porteri (Sull. & Lesq.) Sull.	Synonym		TRO
Orthotrichum cupulatum var. riparium Huebener	Synonym		TRO
Orthotrichum cupulatum f. rudolphianum Podp.	Accepted		TRO
Orthotrichum cupulatum var. schubartianum (Lorentz) Boulay	Synonym		TRO
Orthotrichum cupulatum var. sturmii (Hoppe & Hornsch.) Hampe	Synonym		TRO
Orthotrichum cupulatum var. tomentosum (Glow.) Podp.	Accepted		TRO
Orthotrichum cupulatum subsp. urnigerum (Myrin) Boulay	Accepted		TRO
Orthotrichum cupulatum subsp. venturii (De Not.) Boulay	Synonym		TRO
Orthotrichum curvatum Brid.	Synonym		TRO
Orthotrichum curvatum R. Br. bis	Synonym		TRO
Orthotrichum curvifolium Wahlenb.	Synonym		TRO
Orthotrichum cusianum De Not.	Unresolved		TRO
Orthotrichum cyathiforme R. Br. bis	Accepted		TRO
Orthotrichum cylindricum Warnst.	Synonym		TRO
Orthotrichum cylindricum Lesq.	Synonym		TRO
Orthotrichum cylindrocarpum Lesq.	Synonym		TRO
Orthotrichum cylindrothecium R. Br. bis	Synonym		TRO
Orthotrichum daliense Wilson	Unresolved		TRO
Orthotrichum darwinii (Mitt.) Mitt.	Synonym		TRO
Orthotrichum dasymitrium Lewinsky	Unresolved		TRO
Orthotrichum decurrens Thér.	Synonym		TRO
Orthotrichum defluens Venturi	Synonym		TRO
Orthotrichum delavayi (Broth. & Paris) T. Cao	Accepted		TRO
Orthotrichum densum Lewinsky	Unresolved		TRO
Orthotrichum denticulatum Lewinsky	Unresolved		TRO
Orthotrichum diaphanum Schrad. ex Brid.	Accepted		TRO
Orthotrichum diaphanum var. brevipilum Warnst.	Synonym		TRO
Orthotrichum diaphanum subsp. canum (Mitt.) Kindb.	Accepted		TRO
Orthotrichum diaphanum var. heterophyllum (P. Beauv.) F. Weber & D. Mohr	Accepted		TRO
Orthotrichum diaphanum var. podocarpi (Müll. Hal.) Lewinsky	Accepted		TRO
Orthotrichum diaphanum var. ulmicola (Lag., D. García & Clemente) Huebener	Accepted		TRO
Orthotrichum dilatatum Bruch & Schimp.	Synonym		TRO
Orthotrichum douglasii Duby	Synonym		TRO
Orthotrichum drummondii Hook. & Grev.	Synonym		TRO
Orthotrichum duthiei Venturi	Synonym		TRO
Orthotrichum eckhlonii Hornsch.	Synonym		TRO
Orthotrichum elegans Schwägr. ex Hook. & Grev.	Synonym		TRO
Orthotrichum elegans subsp. killiasii J.J. Amann ex Podp.	Synonym		TRO
Orthotrichum elegantulum Schimp. ex Mitt.	Accepted		TRO
Orthotrichum elongatum Taylor	Accepted		TRO
Orthotrichum emersulum Müll. Hal.	Synonym		TRO
Orthotrichum encalyptaceum Müll. Hal.	Synonym		TRO
Orthotrichum encalyptaceum var. tenuisetum Müll. Hal.	Synonym		TRO
Orthotrichum epapillosum E. Lawton & F.J. Herm.	Synonym		TRO
Orthotrichum epibryum De Not.	Synonym		TRO
Orthotrichum epilosum R.S. Williams	Synonym		TRO
Orthotrichum erectidens Cardot	Synonym		TRO
Orthotrichum erectum R. Br. bis	Synonym		TRO
Orthotrichum eremitense (Mitt.) Mitt.	Accepted		TRO
Orthotrichum erose-crenatum Müll. Hal.	Unresolved		TRO
Orthotrichum erosum Lewinsky	Unresolved		TRO
Orthotrichum erpodiaceum Müll. Hal.	Unresolved		TRO
Orthotrichum erubescens Müll. Hal.	Accepted		TRO
Orthotrichum erythrodontium H. Philib.	Unresolved		TRO
Orthotrichum erythrostomum Gronvall	Synonym		TRO
Orthotrichum eucalyptaceum Müll. Hal. ex Broth.	Unresolved		TRO
Orthotrichum euryphyllum Venturi	Accepted		TRO
Orthotrichum exiguum Sull.	Accepted		TRO
Orthotrichum exsertisetum Müll. Hal.	Synonym		TRO
Orthotrichum fallax Bruch ex Brid.	Synonym		TRO
Orthotrichum fallax var. commune (Venturi) Demaret	Unresolved		TRO
Orthotrichum fallax var. molle (Venturi) Podp.	Unresolved		TRO
Orthotrichum fallax var. obscurum (Venturi) Podp.	Unresolved		TRO
Orthotrichum fallax var. truncatulum Austin	Synonym		TRO
Orthotrichum fasciculare Brid.	Synonym		TRO
Orthotrichum fasciculatum (Brid.) Brid.	Accepted		TRO
Orthotrichum fastigiatum Bruch ex Brid.	Synonym		TRO
Orthotrichum fastigiatum var. appendiculatum (Schimp.) Limpr.	Synonym		TRO
Orthotrichum fastigiatum var. robustum Limpr.	Synonym		TRO
Orthotrichum fauriei Broth. & Paris	Unresolved		TRO
Orthotrichum fenestratum Cardot & Thér.	Unresolved		TRO
Orthotrichum ferrugineum Bruch ex Hook. & Grev.	Synonym		TRO
Orthotrichum filiforme Hook. & Grev.	Synonym		TRO
Orthotrichum fimbriatum P. Beauv.	Synonym		TRO
Orthotrichum fimbriatum R. Br. bis	Synonym		TRO
Orthotrichum firmum Venturi	Accepted		TRO
Orthotrichum flaccum De Not.	Synonym		TRO
Orthotrichum flexifolium R. Br. bis	Synonym		TRO
Orthotrichum floerkeanum Martins	Synonym		TRO
Orthotrichum floerkei Hornsch.	Synonym		TRO
Orthotrichum flowersii Vitt	Unresolved		TRO
Orthotrichum fortunatii Thér.	Synonym		TRO
Orthotrichum franzonianum De Not.	Synonym		TRO
Orthotrichum freyanum Goffinet, W.R. Buck & M. A. Wall	Unresolved		TRO
Orthotrichum fuegianum (Mitt.) Mitt.	Accepted		TRO
Orthotrichum fulvellum (Mitt.) Mitt.	Synonym		TRO
Orthotrichum funckii Brid.	Synonym		TRO
Orthotrichum furcatum Otnyukova	Unresolved		TRO
Orthotrichum fuscum (Venturi) Venturi	Synonym		TRO
Orthotrichum galiciae F. Lara, Garilleti & Mazimpaka	Unresolved		TRO
Orthotrichum garretti Grout & Flowers	Synonym		TRO
Orthotrichum germanum Mont.	Synonym		TRO
Orthotrichum gevaliense Gronvall	Synonym		TRO
Orthotrichum gigantosporum Lewinsky	Unresolved		TRO
Orthotrichum glabellum (Mitt.) Mitt.	Accepted		TRO
Orthotrichum glabrum Venturi	Unresolved		TRO
Orthotrichum glaucum Spreng.	Synonym		TRO
Orthotrichum gracile Hook.	Synonym		TRO
Orthotrichum gracile Herzog	Synonym		TRO
Orthotrichum gracillimum R. Br. bis	Synonym		TRO
Orthotrichum graphiomitrium Müll. Hal. ex Beckett	Accepted		TRO
Orthotrichum griffithii Mitt. ex Dixon	Unresolved		TRO
Orthotrichum groenlandicum Berggr.	Synonym		TRO
Orthotrichum gymnomitrium (Müll. Hal.) Broth.	Accepted		TRO
Orthotrichum gymnostomum Bruch ex Brid.	Accepted		TRO
Orthotrichum hainesiae Austin	Synonym		TRO
Orthotrichum hallii Sull. & Lesq.	Unresolved		TRO
Orthotrichum hawaiicum Müll. Hal.	Unresolved		TRO
Orthotrichum hendersonii Renauld & Cardot	Synonym		TRO
Orthotrichum hercynicum (Hedw.) P. Beauv.	Accepted		TRO
Orthotrichum herteri Herzog	Synonym		TRO
Orthotrichum heteromallum Schwägr.	Accepted		TRO
Orthotrichum heterophyllum P. Beauv.	Synonym		TRO
Orthotrichum heterophyllum Brid.	Synonym		TRO
Orthotrichum hildebrandti Müll. Hal. ex Paris	Unresolved		TRO
Orthotrichum hillebrandii Müll. Hal.	Synonym		TRO
Orthotrichum hispanicum F. Lara, Garilleti & Mazimpaka	Unresolved		TRO
Orthotrichum holmenii Lewinsky-Haapasaari	Unresolved		TRO
Orthotrichum holmgrenii Lindb.	Unresolved		TRO
Orthotrichum holzingeri Renauld & Cardot	Unresolved		TRO
Orthotrichum hooglandii E.B. Bartram	Unresolved		TRO
Orthotrichum hookeri Wilson ex Mitt.	Accepted		TRO
Orthotrichum hookeri var. granulatum Lewinsky	Accepted		TRO
Orthotrichum hornschuchii Hook. & Grev.	Synonym		TRO
Orthotrichum hortense Bosw.	Accepted		TRO
Orthotrichum hortoniae Vitt	Synonym		TRO
Orthotrichum hudchinsianum Schleich.	Unresolved		TRO
Orthotrichum humile Schleich.	Unresolved		TRO
Orthotrichum hurunni R. Br. bis	Synonym		TRO
Orthotrichum hutchinsiae Sm.	Synonym		TRO
Orthotrichum hybridum H. Philib. ex Podp.	Synonym		TRO
Orthotrichum hymenomitrium Dusén	Synonym		TRO
Orthotrichum ibericum F. Lara & Mazimpaka	Unresolved		TRO
Orthotrichum ibukiense Toyama	Unresolved		TRO
Orthotrichum idahense Cardot & Thér.	Synonym		TRO
Orthotrichum illecebrum Willd.	Unresolved		TRO
Orthotrichum immersum Brid.	Synonym		TRO
Orthotrichum imperfectum Müll. Hal.	Synonym		TRO
Orthotrichum inaequale R. Br. bis	Synonym		TRO
Orthotrichum incanum Müll. Hal.	Synonym		TRO
Orthotrichum inclinatum Müll. Hal.	Synonym		TRO
Orthotrichum incrassatum Lewinsky	Unresolved		TRO
Orthotrichum incurvifolium Hook. & Grev.	Synonym		TRO
Orthotrichum incurvomarginatum Lewinsky & van Rooy	Unresolved		TRO
Orthotrichum inflatum H. Philib.	Unresolved		TRO
Orthotrichum inflexum Müll. Hal.	Synonym		TRO
Orthotrichum insidiosum Herzog	Synonym		TRO
Orthotrichum intermedium (Schimp.) Kindb. ex Paris	Synonym		TRO
Orthotrichum involutifolium Hook. & Grev.	Synonym		TRO
Orthotrichum iwatsukii Ignatov	Unresolved		TRO
Orthotrichum jamesianum Sull.	Synonym		TRO
Orthotrichum jamesii Sull. ex Kindb.	Unresolved		TRO
Orthotrichum jamesonianum Sull. ex Venturi	Unresolved		TRO
Orthotrichum jamesonii Arn.	Synonym		TRO
Orthotrichum japonicum Sull. & Lesq.	Synonym		TRO
Orthotrichum jetteae B.H. Allen	Unresolved		TRO
Orthotrichum johnstonii E.B. Bartram	Accepted		TRO
Orthotrichum juranum (Meyl.) G. Roth	Synonym		TRO
Orthotrichum jutlandicum Brid.	Unresolved		TRO
Orthotrichum karoo F. Lara, Garilleti & Mazimpaka	Unresolved		TRO
Orthotrichum kaurinii Gronvall	Unresolved		TRO
Orthotrichum keeverae H.A. Crum & L.E. Anderson	Unresolved		TRO
Orthotrichum kellmanii D.H. Norris, Shevock & Goffinet	Unresolved		TRO
Orthotrichum killiasii Müll. Hal.	Synonym		TRO
Orthotrichum killiasii var. amannii Gronvall	Synonym		TRO
Orthotrichum killiasii var. erythrostomum (Gronvall) K. Krieg.	Synonym		TRO
Orthotrichum killiasii var. macroblephare (Schimp.) Lindb.	Synonym		TRO
Orthotrichum killiasii var. transitorium I. Hagen	Synonym		TRO
Orthotrichum kingianum Lesq.	Synonym		TRO
Orthotrichum laetevirens (Limpr.) K. Krieg.	Synonym		TRO
Orthotrichum laeve P. Beauv. ex Schrad.	Unresolved		TRO
Orthotrichum laevigatum J.E. Zetterst.	Accepted		TRO
Orthotrichum laevigatum var. japonicum (Z. Iwats.) Lewinsky	Accepted		TRO
Orthotrichum laevigatum var. kingianum (Lesq.) Grout	Accepted		TRO
Orthotrichum laevigatum f. macounii (Austin) E. Lawton & Vitt	Accepted		TRO
Orthotrichum lanceolatum Arn.	Unresolved		TRO
Orthotrichum lanceolatum R. Br. bis ex Paris	Unresolved		TRO
Orthotrichum lancifolium R. Br. bis	Synonym		TRO
Orthotrichum lateciliatum Venturi	Synonym		TRO
Orthotrichum lateciliatum var. apiculatum Venturi	Synonym		TRO
Orthotrichum laterale Hampe	Synonym		TRO
Orthotrichum latifolium Gronvall	Synonym		TRO
Orthotrichum latifolium R. Br. bis	Synonym		TRO
Orthotrichum latimarginatum Lewinsky	Unresolved		TRO
Orthotrichum latorum R. Br. bis	Synonym		TRO
Orthotrichum laureri Hornsch.	Unresolved		TRO
Orthotrichum lawrencei Mitt.	Synonym		TRO
Orthotrichum laxifolium Wilson	Accepted		TRO
Orthotrichum laxum Lewinsky-Haapasaari	Unresolved		TRO
Orthotrichum leblebicii Erdağ, Kurschner & Parolly	Unresolved		TRO
Orthotrichum lebrunii Besch.	Synonym		TRO
Orthotrichum leikipiae Müll. Hal.	Unresolved		TRO
Orthotrichum leiocarpum Bruch & Schimp.	Unresolved		TRO
Orthotrichum leiocarpum var. elongatum Lamy	Synonym		TRO
Orthotrichum leiocarpum var. pinetorum G. Roth	Synonym		TRO
Orthotrichum leiocarpum var. rotae De Not.	Synonym		TRO
Orthotrichum leiocarpum subsp. shawii (Wilson) Kindb.	Unresolved		TRO
Orthotrichum leiodon Kindb.	Synonym		TRO
Orthotrichum leiolecythis Müll. Hal.	Synonym		TRO
Orthotrichum leiothecium Müll. Hal.	Synonym		TRO
Orthotrichum leptocarpum Bruch & Schimp. ex Müll. Hal.	Synonym		TRO
Orthotrichum lescurii Austin	Synonym		TRO
Orthotrichum lescurii subsp. porteri (Sull. & Lesq.) Kindb.	Unresolved		TRO
Orthotrichum letourneuxii Besch.	Unresolved		TRO
Orthotrichum leucomitrium Bruch ex Brid.	Synonym		TRO
Orthotrichum leucomitrium Bruch & Schimp.	Synonym		TRO
Orthotrichum lewinskyae F. Lara, Garilleti & Mazimpaka	Unresolved		TRO
Orthotrichum ligulatum Müll. Hal.	Synonym		TRO
Orthotrichum ligulatum Dusén	Synonym		TRO
Orthotrichum liliputanum Broth.	Unresolved		TRO
Orthotrichum limprichtii I. Hagen	Synonym		TRO
Orthotrichum limprichtii var. norvegicum (I. Hagen) Nyholm	Unresolved		TRO
Orthotrichum lobbianum (Mitt.) Mitt.	Accepted		TRO
Orthotrichum lonchothecium Müll. Hal. & Kindb.	Synonym		TRO
Orthotrichum longifolium Hook.	Synonym		TRO
Orthotrichum longipes Hook.	Synonym		TRO
Orthotrichum longirostre Hook.	Synonym		TRO
Orthotrichum longisetum Schleich.	Unresolved		TRO
Orthotrichum longitheca R. Br. bis	Accepted		TRO
Orthotrichum lorentzii Müll. Hal.	Synonym		TRO
Orthotrichum lozanoi Cardot	Synonym		TRO
Orthotrichum lozanoi var. lutescens Cardot	Synonym		TRO
Orthotrichum ludificans Lewinsky	Unresolved		TRO
Orthotrichum ludwigii Brid.	Synonym		TRO
Orthotrichum luteolum Hook. f. & Wilson	Synonym		TRO
Orthotrichum luteum Hook. f. & Wilson	Synonym		TRO
Orthotrichum lycopodioides Bruch	Unresolved		TRO
Orthotrichum lyellii Hook. & Taylor	Accepted		TRO
Orthotrichum lyellii var. howei Renauld & Cardot	Synonym		TRO
Orthotrichum lyellii var. papillosum (Hampe) Sull.	Synonym		TRO
Orthotrichum lyellii var. pringlei (Müll. Hal.) Macoun	Synonym		TRO
Orthotrichum lyellii subsp. strictum Venturi	Synonym		TRO
Orthotrichum lyellioides Kindb.	Synonym		TRO
Orthotrichum macfaddenae R.S. Williams	Synonym		TRO
Orthotrichum macleai Rehmann ex Sim	Synonym		TRO
Orthotrichum macleanum J. Shaw	Synonym		TRO
Orthotrichum macloskii Dusén	Synonym		TRO
Orthotrichum macounii Austin	Accepted		TRO
Orthotrichum macounii subsp. japonicum Z. Iwats.	Synonym		TRO
Orthotrichum macounii var. lonchothecium (Müll. Hal. & Kindb.) Grout	Accepted		TRO
Orthotrichum macroblephare Schimp.	Synonym		TRO
Orthotrichum macrocalycinum (Mitt.) Mitt.	Accepted		TRO
Orthotrichum macrocephalum F. Lara, Garilleti & Mazimpaka	Unresolved		TRO
Orthotrichum macrosporum Müll. Hal.	Synonym		TRO
Orthotrichum magellanicum Mont.	Synonym		TRO
Orthotrichum magnotheca R. Br. bis	Synonym		TRO
Orthotrichum malacophyllum Cardot	Synonym		TRO
Orthotrichum malacophyllum var. guatemalense E.B. Bartram	Synonym		TRO
Orthotrichum malacothecium Müll. Hal.	Unresolved		TRO
Orthotrichum mandonii Schimp. ex Hampe	Accepted		TRO
Orthotrichum marginatum Ångström	Synonym		TRO
Orthotrichum maritimum (Müll. Hal. & Kindb.) Kindb.	Accepted		TRO
Orthotrichum medium Sm. ex Müll. Hal.	Unresolved		TRO
Orthotrichum megalosporum (Venturi) Kindb.	Accepted		TRO
Orthotrichum menziesii Hook.	Synonym		TRO
Orthotrichum meyenianum Hampe	Unresolved		TRO
Orthotrichum meyenii Hampe ex Kindb.	Unresolved		TRO
Orthotrichum microblephare Schimp.	Synonym		TRO
Orthotrichum microblephare var. praemorsum (Venturi) Grout	Synonym		TRO
Orthotrichum microcarpum De Not.	Synonym		TRO
Orthotrichum microcarpum var. obscurum (Gronvall) Medelius	Unresolved		TRO
Orthotrichum microcarpum subsp. valesiacum (H. Philib. & J.J. Amann) Podp.	Unresolved		TRO
Orthotrichum microphyllum Hook. & Grev.	Synonym		TRO
Orthotrichum microsporum Müll. Hal.	Synonym		TRO
Orthotrichum microstomum Hook. & Grev.	Synonym		TRO
Orthotrichum minimifolium R. Br. bis	Synonym		TRO
Orthotrichum minutum R. Br. bis	Synonym		TRO
Orthotrichum minutum Kindb.	Synonym		TRO
Orthotrichum mirum Lewinsky	Synonym		TRO
Orthotrichum missouricum Holz.	Unresolved		TRO
Orthotrichum mitigatum I. Hagen	Unresolved		TRO
Orthotrichum mollissimum Müll. Hal.	Unresolved		TRO
Orthotrichum molluscum Bruch	Unresolved		TRO
Orthotrichum moorcroftii Hook. & Grev.	Synonym		TRO
Orthotrichum moravicum Pláaek & Sawicki	Unresolved		TRO
Orthotrichum mucronifolium Hook. & Grev.	Synonym		TRO
Orthotrichum neglectum Opiz	Synonym		TRO
Orthotrichum neglectum Schimp.	Synonym		TRO
Orthotrichum nepalense Hook. & Grev.	Synonym		TRO
Orthotrichum nicholsonii (Culm.) Culm.	Accepted		TRO
Orthotrichum nigricans Brid. ex Limpr.	Unresolved		TRO
Orthotrichum nigritellum Dusén	Synonym		TRO
Orthotrichum nigritum Bruch & Schimp.	Synonym		TRO
Orthotrichum nipponense Nog.	Unresolved		TRO
Orthotrichum nivale Spruce	Synonym		TRO
Orthotrichum norrisii F. Lara, R. Medina & Garilleti	Unresolved		TRO
Orthotrichum notabile Lewinsky-Haapasaari	Unresolved		TRO
Orthotrichum nudum Dicks.	Synonym		TRO
Orthotrichum nudum R. Br. bis	Synonym		TRO
Orthotrichum nudum var. immersum Herzog	Synonym		TRO
Orthotrichum nudum var. norvegicum I. Hagen	Synonym		TRO
Orthotrichum nudum var. riparium (Huebener) Baehni	Unresolved		TRO
Orthotrichum nudum var. strangulatum (P. Beauv.) Baehni	Unresolved		TRO
Orthotrichum nutans Müll. Hal.	Synonym		TRO
Orthotrichum oamarense R. Br. bis	Synonym		TRO
Orthotrichum oamaruanum R. Br. bis	Synonym		TRO
Orthotrichum obesum R. Br. bis	Synonym		TRO
Orthotrichum obliquum R. Br. bis	Synonym		TRO
Orthotrichum obscurum Gronvall	Synonym		TRO
Orthotrichum obtusatum R. Br. bis	Unresolved		TRO
Orthotrichum obtusifolium Brid.	Accepted		TRO
Orthotrichum obtusifolium var. rogeri (Brid.) Hampe	Synonym		TRO
Orthotrichum obtusiusculum (Müll. Hal. & Kindb.) Kindb.	Accepted		TRO
Orthotrichum obtusum Röhl.	Unresolved		TRO
Orthotrichum occidentale James	Synonym		TRO
Orthotrichum octoblephare Brid.	Synonym		TRO
Orthotrichum octoblephare var. appendiculatum (Schimp.) Podp.	Unresolved		TRO
Orthotrichum octoblephare subsp. fastigiatum (Bruch ex Brid.) Podp.	Unresolved		TRO
Orthotrichum octoblephare var. fastigiatum (Bruch ex Brid.) C.E.O. Jensen	Synonym		TRO
Orthotrichum octoblephare var. microstomum (J.J. Amann) Podp.	Unresolved		TRO
Orthotrichum octoblephare var. rivale (Wilson ex Braithw.) Podp.	Unresolved		TRO
Orthotrichum octoblephare var. robustum (Limpr.) Podp.	Unresolved		TRO
Orthotrichum ohioense Sull. & Lesq.	Unresolved		TRO
Orthotrichum ohioense var. citrinum (Austin) Lesq. & James	Unresolved		TRO
Orthotrichum oreophilum Lewinsky & van Rooy	Unresolved		TRO
Orthotrichum ornatum R. Br. bis	Synonym		TRO
Orthotrichum orneum Wilson	Unresolved		TRO
Orthotrichum otiraense R. Br. bis	Synonym		TRO
Orthotrichum ovatum Venturi	Unresolved		TRO
Orthotrichum ovatum Gronvall	Unresolved		TRO
Orthotrichum pacificum Hampe	Synonym		TRO
Orthotrichum paivanum Schimp.	Unresolved		TRO
Orthotrichum paleomitrium Dusén	Synonym		TRO
Orthotrichum pallens Bruch ex Brid.	Accepted		TRO
Orthotrichum pallens var. immersum (Brid.) Müll. Hal.	Accepted		TRO
Orthotrichum pallens var. latifolium (Gronvall) J.J. Amann	Accepted		TRO
Orthotrichum pallens var. leucomitrioides (Limpr.) J.J. Amann	Accepted		TRO
Orthotrichum pallens subsp. pallidum (Lindb. & Arnell) Giacom.	Accepted		TRO
Orthotrichum pallens var. pallidum (Lindb. & Arnell) J.J. Amann	Synonym		TRO
Orthotrichum pallens subsp. paradoxum (Gronvall) J.J. Amann	Accepted		TRO
Orthotrichum pallens subsp. rogeri (Brid.) Kindb.	Accepted		TRO
Orthotrichum pallens subsp. scopulorum (Lindb.) Kindb.	Synonym		TRO
Orthotrichum pallens var. scopulorum (Lindb.) Bom. & Broth.	Synonym		TRO
Orthotrichum pallidum P. Beauv.	Synonym		TRO
Orthotrichum pallidum Gronvall	Synonym		TRO
Orthotrichum papillosum Hampe	Synonym		TRO
Orthotrichum papillosum subsp. strictum (Venturi) Kindb.	Synonym		TRO
Orthotrichum paradoxum Gronvall	Synonym		TRO
Orthotrichum paradoxum var. leucomitrioides Limpr.	Synonym		TRO
Orthotrichum paraguense Besch.	Accepted		TRO
Orthotrichum pariatum Mitt.	Accepted		TRO
Orthotrichum parvitheca R. Br. bis	Synonym		TRO
Orthotrichum parvulum Mitt.	Synonym		TRO
Orthotrichum parvulum R. Br. bis	Synonym		TRO
Orthotrichum parvum Herzog	Synonym		TRO
Orthotrichum patens Bruch & Brid.	Synonym		TRO
Orthotrichum patens subsp. alpestre (Hornsch. ex B.S.G.) Boulay	Unresolved		TRO
Orthotrichum patens var. stramineum (Hornsch.) Hampe	Synonym		TRO
Orthotrichum patulum Mitt.	Synonym		TRO
Orthotrichum peckei Sull. & Lesq.	Synonym		TRO
Orthotrichum pellucidum Lindb.	Synonym		TRO
Orthotrichum penicillatum Mitt.	Unresolved		TRO
Orthotrichum perexiguum Dusén ex Lewinsky	Unresolved		TRO
Orthotrichum perforatum Müll. Hal.	Synonym		TRO
Orthotrichum perichaetiale Hook. & Grev.	Synonym		TRO
Orthotrichum perpusillum Dusén	Synonym		TRO
Orthotrichum pertusum Brid.	Unresolved		TRO
Orthotrichum philibertii Venturi	Synonym		TRO
Orthotrichum phyllanthoides Müll. Hal.	Synonym		TRO
Orthotrichum phyllanthum (Brid.) Steud.	Synonym		TRO
Orthotrichum piliferum (Schwägr.) Arn.	Accepted		TRO
Orthotrichum piliferum Schimp. ex Sim	Synonym		TRO
Orthotrichum platyblephare Müll. Hal.	Synonym		TRO
Orthotrichum plicatum P. Beauv.	Synonym		TRO
Orthotrichum plicatum C.F. Ludw.	Synonym		TRO
Orthotrichum podocarpi Müll. Hal.	Synonym		TRO
Orthotrichum polare Lindb.	Accepted		TRO
Orthotrichum polytrichoides (Hedw.) Brid.	Unresolved		TRO
Orthotrichum porteri Sull. & Lesq.	Synonym		TRO
Orthotrichum praemorsum Venturi	Synonym		TRO
Orthotrichum praenubilum Stirt.	Synonym		TRO
Orthotrichum praeperistomatum Venturi	Synonym		TRO
Orthotrichum praeruptorum Herzog	Synonym		TRO
Orthotrichum prasinellum Stirt.	Synonym		TRO
Orthotrichum pringlei Müll. Hal.	Synonym		TRO
Orthotrichum prorepens Hook.	Unresolved		TRO
Orthotrichum pseudopumilum Venturi	Synonym		TRO
Orthotrichum pseudostramineum Dism.	Unresolved		TRO
Orthotrichum pseudotenellum Hampe ex Müll. Hal.	Synonym		TRO
Orthotrichum pseudournigerum Müll. Hal.	Unresolved		TRO
Orthotrichum psilocarpum James	Synonym		TRO
Orthotrichum psilothecium Müll. Hal. & Kindb.	Synonym		TRO
Orthotrichum psychrophilum Mont.	Accepted		TRO
Orthotrichum ptychophilum Mont. ex Paris	Unresolved		TRO
Orthotrichum puiggarii Duby	Synonym		TRO
Orthotrichum pulchellum Brunt.	Accepted		TRO
Orthotrichum pulchellum var. columbicum (Mitt.) Grout	Accepted		TRO
Orthotrichum pulchellum subsp. ulotaeforme (Renauld & Cardot) Kindb.	Accepted		TRO
Orthotrichum pulchellum var. winteri (Schimp.) Braithw.	Accepted		TRO
Orthotrichum pulchrum Lewinsky	Unresolved		TRO
Orthotrichum pulvinatum R. Br. bis	Synonym		TRO
Orthotrichum pumilum Sw.	Accepted		TRO
Orthotrichum pumilum var. commune Venturi	Synonym		TRO
Orthotrichum pumilum subsp. fallax (Bruch ex Brid.) Bertsch	Accepted		TRO
Orthotrichum pumilum var. fallax (Bruch ex Brid.) J. Kickx f.	Synonym		TRO
Orthotrichum pumilum var. microcarpum (De Not.) Lindb.	Accepted		TRO
Orthotrichum pumilum var. molle Venturi	Synonym		TRO
Orthotrichum pumilum var. obscurum Venturi	Synonym		TRO
Orthotrichum pumilum var. rogeri (Brid.) Husn.	Synonym		TRO
Orthotrichum pumilum var. schimperi (Hammar) Hinn.	Accepted		TRO
Orthotrichum punctatum Hook. & Grev.	Synonym		TRO
Orthotrichum pungens Mitt.	Accepted		TRO
Orthotrichum pusillum Mitt.	Accepted		TRO
Orthotrichum pycnophyllum Schimp.	Accepted		TRO
Orthotrichum pycnophyllum var. verrucosum (Müll. Hal.) Lewinsky	Accepted		TRO
Orthotrichum pygmaeothecium Müll. Hal.	Synonym		TRO
Orthotrichum pylaisii Brid.	Accepted		TRO
Orthotrichum pylaisii subsp. arcticum (Schimp.) Kindb.	Synonym		TRO
Orthotrichum pylaisii f. groenlandicum (Berggr.) Hinn.	Accepted		TRO
Orthotrichum pylaisii var. microblephare (Schimp.) Hinn.	Accepted		TRO
Orthotrichum pyriforme Opiz	Synonym		TRO
Orthotrichum quadrifidum Hook. & Grev.	Unresolved		TRO
Orthotrichum quenoae Müll. Hal.	Synonym		TRO
Orthotrichum radiculosum Brid.	Unresolved		TRO
Orthotrichum raui Austin	Synonym		TRO
Orthotrichum recurvans Schimp.	Synonym		TRO
Orthotrichum recurvifolium Hook. & Grev.	Synonym		TRO
Orthotrichum recurvifolium (Hornsch.) Müll. Hal.	Accepted		TRO
Orthotrichum reflexum R. Br. bis	Synonym		TRO
Orthotrichum rehmannii (Jur.) Kindb.	Accepted		TRO
Orthotrichum revolutum Müll. Hal.	Unresolved		TRO
Orthotrichum rhabdophorum Venturi	Synonym		TRO
Orthotrichum rhytiore B.H. Allen	Synonym		TRO
Orthotrichum riparium Huebener	Unresolved		TRO
Orthotrichum rivulare Turner	Unresolved		TRO
Orthotrichum roellii Venturi	Synonym		TRO
Orthotrichum roellii subsp. schlotthaueri (Venturi) Kindb.	Unresolved		TRO
Orthotrichum rogeri Brid.	Accepted		TRO
Orthotrichum rotae De Not. ex Brizi	Unresolved		TRO
Orthotrichum rubellum Kindb. ex Limpr.	Unresolved		TRO
Orthotrichum rubescens Mitt.	Synonym		TRO
Orthotrichum rudolphianum Lehm. ex Schimp.	Unresolved		TRO
Orthotrichum rudolphii Lehm.	Synonym		TRO
Orthotrichum rufescens Hampe	Synonym		TRO
Orthotrichum rufescens Gronvall	Synonym		TRO
Orthotrichum rufidens Venturi	Unresolved		TRO
Orthotrichum rufulum Mitt.	Synonym		TRO
Orthotrichum rugifolium Hook.	Synonym		TRO
Orthotrichum rupestre Schleich. ex Schwägr.	Accepted		TRO
Orthotrichum rupestre var. aetnense (De Not.) Venturi	Accepted		TRO
Orthotrichum rupestre var. bauerianum (Schiffner) Podp.	Accepted		TRO
Orthotrichum rupestre subsp. caespitosum (Herzog) Podp.	Accepted		TRO
Orthotrichum rupestre var. carinthiacum (Glow.) Podp.	Accepted		TRO
Orthotrichum rupestre subsp. erythrodontium (J.J. Amann) Podp.	Accepted		TRO
Orthotrichum rupestre var. erythrodontium J.J. Amann	Synonym		TRO
Orthotrichum rupestre var. flaccum (De Not.) Venturi	Accepted		TRO
Orthotrichum rupestre subsp. franzonianum (De Not.) Podp.	Accepted		TRO
Orthotrichum rupestre var. franzonianum (De Not.) Venturi	Synonym		TRO
Orthotrichum rupestre f. franzonianum (De Not.) Mönk.	Synonym		TRO
Orthotrichum rupestre var. macrosporum (M. Fleisch. & Warnst.) Podp.	Accepted		TRO
Orthotrichum rupestre var. nudum (M. Fleisch. & Warnst.) Podp.	Accepted		TRO
Orthotrichum rupestre var. octodentatum (Hult) Podp.	Accepted		TRO
Orthotrichum rupestre var. ovatum (Venturi) Broth.	Accepted		TRO
Orthotrichum rupestre var. ovatum Venturi	Synonym		TRO
Orthotrichum rupestre var. papillosum Lewinsky	Accepted		TRO
Orthotrichum rupestre var. reticulatum (Culm.) Podp.	Accepted		TRO
Orthotrichum rupestre var. rupincola (Funck) Huebener	Synonym		TRO
Orthotrichum rupestre f. rupincola (Funck) Mönk.	Accepted		TRO
Orthotrichum rupestre var. sehlmeyeri (Bruch ex Brid.) Huebener	Synonym		TRO
Orthotrichum rupestre f. sehlmeyeri (Bruch ex Brid.) Mönk.	Accepted		TRO
Orthotrichum rupestre subsp. shawii (Wilson) Boulay	Synonym		TRO
Orthotrichum rupestre subsp. sturmii (Hoppe & Hornsch.) Boulay	Accepted		TRO
Orthotrichum rupestre var. sturmii (Hoppe & Hornsch.) Jur.	Synonym		TRO
Orthotrichum rupestre var. virens (Venturi) Broth.	Accepted		TRO
Orthotrichum rupestriforme Venturi	Synonym		TRO
Orthotrichum rupicola Müll. Hal.	Synonym		TRO
Orthotrichum rupincola Funck	Synonym		TRO
Orthotrichum rupincola var. cupulatum (Hoffm. ex Brid.) Myrin	Synonym		TRO
Orthotrichum sainsburyi Allison	Unresolved		TRO
Orthotrichum sardagnae Venturi	Unresolved		TRO
Orthotrichum sardagnanum Venturi	Unresolved		TRO
Orthotrichum sardagnanum var. brevinerve (Lindb.) K. Krieg.	Synonym		TRO
Orthotrichum saxatile Brid.	Synonym		TRO
Orthotrichum saxatile Schimp.	Synonym		TRO
Orthotrichum saxatile var. americanum (P. Beauv.) Brid.	Synonym		TRO
Orthotrichum scaberrimum Broth.	Synonym		TRO
Orthotrichum scabridum (Kindb.) Kindb.	Accepted		TRO
Orthotrichum scanicum Gronvall	Accepted		TRO
Orthotrichum schimperi Hammar	Synonym		TRO
Orthotrichum schimperi var. majus Gronvall	Synonym		TRO
Orthotrichum schimperi var. philibertii (Venturi) Boulay	Unresolved		TRO
Orthotrichum schimperi var. truncatulum (Austin) Paris	Unresolved		TRO
Orthotrichum schlotthaueri Venturi	Synonym		TRO
Orthotrichum schmidii Müll. Hal.	Synonym		TRO
Orthotrichum schnyderi Müll. Hal.	Synonym		TRO
Orthotrichum schoddei Lewinsky	Unresolved		TRO
Orthotrichum schofieldii (B.C. Tan & Y. Jia) B.H. Allen	Accepted		TRO
Orthotrichum schraderi Brid.	Unresolved		TRO
Orthotrichum schubartianum Lorentz	Synonym		TRO
Orthotrichum schubartianum var. fuscum (Venturi) J.J. Amann	Synonym		TRO
Orthotrichum schubartianum var. himalayanum Venturi	Synonym		TRO
Orthotrichum schubartianum var. laete-virens Limpr.	Synonym		TRO
Orthotrichum schubartianum var. papillosum Culm.	Synonym		TRO
Orthotrichum schubartianum var. venturii (De Not.) Limpr.	Synonym		TRO
Orthotrichum sclerodon Schimp.	Synonym		TRO
Orthotrichum scopulorum Lindb.	Synonym		TRO
Orthotrichum sehlmeyeri Bruch ex Brid.	Synonym		TRO
Orthotrichum sehnemii E.B. Bartram	Synonym		TRO
Orthotrichum serpens Bruch ex Hook. & Grev.	Synonym		TRO
Orthotrichum serrifolium Müll. Hal.	Synonym		TRO
Orthotrichum sharpii H. Rob.	Synonym		TRO
Orthotrichum shawii Wilson	Synonym		TRO
Orthotrichum shevockii Lewinsky-Haapasaari & D.H. Norris	Unresolved		TRO
Orthotrichum sibiricum Gronvall	Synonym		TRO
Orthotrichum sikkimense Herzog	Synonym		TRO
Orthotrichum sinense Schimp.	Synonym		TRO
Orthotrichum sinuosum Lewinsky	Unresolved		TRO
Orthotrichum smithii (Hedw.) Brid.	Synonym		TRO
Orthotrichum sommerfeltii Schimp.	Synonym		TRO
Orthotrichum sordidulum Müll. Hal.	Synonym		TRO
Orthotrichum sordidum Sull. & Lesq.	Accepted		TRO
Orthotrichum sourekii Pilous	Synonym		TRO
Orthotrichum spanotrichum Lewinsky	Unresolved		TRO
Orthotrichum speciosum Nees	Accepted		TRO
Orthotrichum speciosum var. amannii (Gronvall) J.J. Amann	Accepted		TRO
Orthotrichum speciosum subsp. elegans (Schwägr. ex Hook. & Grev.) Lindb.	Synonym		TRO
Orthotrichum speciosum var. elegans (Schwägr. ex Hook. & Grev.) Warnst.	Accepted		TRO
Orthotrichum speciosum var. erythrostomum (Gronvall) J.J. Amann	Accepted		TRO
Orthotrichum speciosum subsp. eu-speciosum Giacom.	Synonym		TRO
Orthotrichum speciosum var. hainesiae (Austin) Paris	Accepted		TRO
Orthotrichum speciosum var. killiasii (Müll. Hal.) Venturi	Synonym		TRO
Orthotrichum speciosum subsp. laevigatum (J.E. Zetterst.) J.J. Amann	Accepted		TRO
Orthotrichum speciosum var. macroblephare (Schimp.) J.J. Amann	Accepted		TRO
Orthotrichum speciosum var. transitorium (I. Hagen) Podp.	Accepted		TRO
Orthotrichum speciosum x elegans Papp	Unresolved		TRO
Orthotrichum spiculatum F. Lara, Garilleti & Mazimpaka	Unresolved		TRO
Orthotrichum spjutii D.H. Norris & Vitt	Unresolved		TRO
Orthotrichum splachnoides Froel. ex Brid.	Synonym		TRO
Orthotrichum sprucei Mont.	Unresolved		TRO
Orthotrichum sprucei x diaphanum H. Philib.	Accepted		TRO
Orthotrichum squarrosum (Brid.) Hook. & Grev.	Synonym		TRO
Orthotrichum steerei Lewinsky	Unresolved		TRO
Orthotrichum stellatum Brid.	Accepted		TRO
Orthotrichum stellulatum (Hornsch.) Hook. & Grev.	Synonym		TRO
Orthotrichum stenocarpum Brid.	Synonym		TRO
Orthotrichum stenocarpum Venturi	Synonym		TRO
Orthotrichum stevenii Müll. Hal.	Synonym		TRO
Orthotrichum stramineum Hornsch.	Accepted		TRO
Orthotrichum stramineum var. alpestre (Hornsch. ex B.S.G.) Kindb.	Synonym		TRO
Orthotrichum stramineum subsp. patens (Bruch & Brid.) Giacom.	Accepted		TRO
Orthotrichum stramineum var. patens (Bruch & Brid.) Venturi	Synonym		TRO
Orthotrichum stramineum var. vexabile Limpr.	Synonym		TRO
Orthotrichum stramineum x anomalum R. Ruthe	Unresolved		TRO
Orthotrichum strangulatum P. Beauv.	Synonym		TRO
Orthotrichum strangulatum f. lescurii (Austin) Vitt	Unresolved		TRO
Orthotrichum strangulatum var. mucronatum Venturi	Synonym		TRO
Orthotrichum striatum Hedw.	Synonym		TRO
Orthotrichum striatum var. elongatum (Lamy) E. Piccioli	Unresolved		TRO
Orthotrichum striatum var. pinetorum (G. Roth) Podp.	Unresolved		TRO
Orthotrichum striatum var. rotae (De Not.) I. Hagen	Unresolved		TRO
Orthotrichum strictissimum Molendo	Synonym		TRO
Orthotrichum strictum Brid.	Synonym		TRO
Orthotrichum strictum (Venturi) Broth.	Accepted		TRO
Orthotrichum sturmii Hoppe & Hornsch.	Synonym		TRO
Orthotrichum sturmii var. bauerianum Schiffner	Synonym		TRO
Orthotrichum sturmii var. macrosporum M. Fleisch. & Warnst.	Synonym		TRO
Orthotrichum sturmii var. nudum M. Fleisch. & Warnst.	Synonym		TRO
Orthotrichum sturmii var. reticulatum Culm.	Synonym		TRO
Orthotrichum sturmii var. virens Venturi	Synonym		TRO
Orthotrichum subalpinum Limpr.	Synonym		TRO
Orthotrichum subassimile Dusén	Unresolved		TRO
Orthotrichum subexsertum Schimp. ex Müll. Hal.	Unresolved		TRO
Orthotrichum subleiolecythis Paris	Synonym		TRO
Orthotrichum submarginatum Brid.	Synonym		TRO
Orthotrichum subperforatum Müll. Hal.	Synonym		TRO
Orthotrichum subpumilum E.B. Bartram ex Lewinsky	Unresolved		TRO
Orthotrichum subrepens Sommerf.	Synonym		TRO
Orthotrichum subrupestre Thér.	Synonym		TRO
Orthotrichum subsordidum Kindb.	Unresolved		TRO
Orthotrichum subtortum Hook. & Grev.	Synonym		TRO
Orthotrichum subulatum R. Br. bis	Synonym		TRO
Orthotrichum subulatum (Kindb.) Kindb.	Synonym		TRO
Orthotrichum suburnigerum Herzog	Unresolved		TRO
Orthotrichum sulcatum (Hook.) Hook. & Grev.	Synonym		TRO
Orthotrichum sullivanii Müll. Hal.	Synonym		TRO
Orthotrichum sullivantii Austin	Synonym		TRO
Orthotrichum swainsonii Hook.	Synonym		TRO
Orthotrichum sylaisii Schimp.	Unresolved		TRO
Orthotrichum sylvaticum C.F. Ludw.	Unresolved		TRO
Orthotrichum szuchuanicum P.C. Chen	Synonym		TRO
Orthotrichum tacacomense R.S. Williams	Synonym		TRO
Orthotrichum taiwanense Lewinsky	Unresolved		TRO
Orthotrichum takakii Sakurai	Synonym		TRO
Orthotrichum tamariscium Schimp.	Unresolved		TRO
Orthotrichum tasmanicum Hook. f. & Wilson	Accepted		TRO
Orthotrichum tasmanicum var. parvitheca (R. Br. bis) Lewinsky	Accepted		TRO
Orthotrichum tenellum Bruch ex Brid.	Accepted		TRO
Orthotrichum tenellum var. coulteri (Mitt.) Grout	Accepted		TRO
Orthotrichum tenellum var. pumilum (Sw.) Boulay	Accepted		TRO
Orthotrichum tenue Hook. & Grev.	Synonym		TRO
Orthotrichum tenuicaule Lewinsky	Unresolved		TRO
Orthotrichum teremakauense Paris	Unresolved		TRO
Orthotrichum texanum Sull. & Lesq.	Synonym		TRO
Orthotrichum texanum var. globosum Lesq.	Synonym		TRO
Orthotrichum ticinense De Not.	Synonym		TRO
Orthotrichum tomentosum Glow.	Synonym		TRO
Orthotrichum torquatum (Sw. ex Hedw.) Arn.	Synonym		TRO
Orthotrichum tortidontium F. Lara, Garilleti & Mazimpaka	Unresolved		TRO
Orthotrichum tortifolium Lewinsky	Unresolved		TRO
Orthotrichum tortile Bruch	Unresolved		TRO
Orthotrichum tortulosum R. Br. bis	Synonym		TRO
Orthotrichum tortum Hook. & Grev.	Unresolved		TRO
Orthotrichum trachymitrium Mitt.	Accepted		TRO
Orthotrichum transvaaliense Rehmann ex Sim	Unresolved		TRO
Orthotrichum tristriatum Lewinsky	Unresolved		TRO
Orthotrichum truncatodentatum Müll. Hal.	Unresolved		TRO
Orthotrichum truncatum Lewinsky & Deguchi	Unresolved		TRO
Orthotrichum tuberculatum Mitt.	Synonym		TRO
Orthotrichum ulmicola Lag., D. García & Clemente	Synonym		TRO
Orthotrichum ulophyllum Kindb.	Unresolved		TRO
Orthotrichum ulophyllum subsp. crispulum (Bruch) Kindb.	Synonym		TRO
Orthotrichum ulophyllum subsp. intermedium (Schimp.) Kindb.	Synonym		TRO
Orthotrichum ulophyllum var. intermedium (Schimp.) Kindb.	Synonym		TRO
Orthotrichum ulotaeforme Renauld & Cardot	Synonym		TRO
Orthotrichum ulotoides Herzog	Synonym		TRO
Orthotrichum umbonatum Brid.	Synonym		TRO
Orthotrichum uncinatum (Brid.) Arn.	Accepted		TRO
Orthotrichum underwoodii F. Lara, Garilleti & Mazimpaka	Unresolved		TRO
Orthotrichum undulatifolium Müll. Hal.	Unresolved		TRO
Orthotrichum undulatum Hook. & Grev.	Synonym		TRO
Orthotrichum urceolatum Schleich.	Unresolved		TRO
Orthotrichum urceolatum Hook.	Unresolved		TRO
Orthotrichum urnaceum Müll. Hal.	Unresolved		TRO
Orthotrichum urnigerum Myrin	Accepted		TRO
Orthotrichum urnigerum var. fuscum (Venturi) Venturi	Accepted		TRO
Orthotrichum urnigerum var. laetevirens (Limpr.) E. Piccioli	Accepted		TRO
Orthotrichum urnigerum subsp. limprichtii (I. Hagen) Kindb.	Accepted		TRO
Orthotrichum urnigerum var. papillosum (Culm.) E. Piccioli	Accepted		TRO
Orthotrichum urnigerum subsp. perforatum (Venturi) Giacom.	Accepted		TRO
Orthotrichum urnigerum var. perforatum Venturi	Synonym		TRO
Orthotrichum urnigerum subsp. schubartianum (Lorentz) Venturi	Synonym		TRO
Orthotrichum urnigerum var. schubartianum (Lorentz) Venturi	Accepted		TRO
Orthotrichum urnigerum subsp. venturii (De Not.) C.E.O. Jensen	Accepted		TRO
Orthotrichum urnigerum var. venturii (De Not.) Venturi & Bott.	Synonym		TRO
Orthotrichum utahense Sull. ex Lesq.	Synonym		TRO
Orthotrichum valesiacum H. Philib. & J.J. Amann	Synonym		TRO
Orthotrichum ventricosum Nees	Synonym		TRO
Orthotrichum venturii De Not.	Synonym		TRO
Orthotrichum venturii subsp. fuscum Venturi	Synonym		TRO
Orthotrichum venturii var. fuscum (Venturi) Venturi	Synonym		TRO
Orthotrichum venturii var. himalajanum Venturi	Synonym		TRO
Orthotrichum venustum Venturi	Synonym		TRO
Orthotrichum vermiferum Lewinsky-Haapasaari	Unresolved		TRO
Orthotrichum verrucatum Müll. Hal.	Synonym		TRO
Orthotrichum verrucosum Müll. Hal.	Synonym		TRO
Orthotrichum vexabile (Limpr.) K. Krieg.	Accepted		TRO
Orthotrichum vicarium Lazarenko	Unresolved		TRO
Orthotrichum virens Venturi	Synonym		TRO
Orthotrichum vittatum Cardot	Synonym		TRO
Orthotrichum vittatum (Mitt.) Mitt.	Synonym		TRO
Orthotrichum vittii F. Lara, Garilleti & Mazimpaka	Unresolved		TRO
Orthotrichum vladikavkanum Venturi	Unresolved		TRO
Orthotrichum wagneri Lorentz	Synonym		TRO
Orthotrichum wallisii Müll. Hal.	Synonym		TRO
Orthotrichum waltheri Watts & Whitel.	Synonym		TRO
Orthotrichum watsonii James	Synonym		TRO
Orthotrichum whiteleggei Müll. Hal.	Synonym		TRO
Orthotrichum winteri Schimp.	Synonym		TRO