# Gymnostomum

Gymnostomum is a genus of bryophyte in family Pottiaceae. It was first described by Christian Gottfried Daniel Nees von Esenbeck and Christian Friedrich Hornschuch

## Species

The following species are recognised in the genus Gymnostomum:
* Gymnostomum aeruginosum Smith, 1804
* Gymnostomum angustatum C.Knight
* Gymnostomum anoectangioides (Müll.Hal.) X.J.Li
* Gymnostomum antarcticum Ångström
* Gymnostomum apophysatum Taylor
* Gymnostomum aquaticum (Hedw.) F.Weber & D.Mohr
* Gymnostomum aurantiacum (Mitt.) A.Jaeger
* Gymnostomum bescherellei Brotherus & Geheeb ex Herzog, 1910
* Gymnostomum bewsii Sim, 1920
* Gymnostomum boreale Nyholm & Hedenäs, 1986
* Gymnostomum brevicaule Taylor
* Gymnostomum brotherusii R.Br.bis
* Gymnostomum calcareum Nees & Hornschuch, 1823 – calcareous gymnostomum moss
* Gymnostomum capense (R.Br.) Hook.
* Gymnostomum carthusianum Palisot de Beauvois, 1805
* Gymnostomum chenii K.Saito, 1973
* Gymnostomum ciliatum (Hedw.) Lag., D.García & Clemente
* Gymnostomum cirrhatum De Not.
* Gymnostomum complanatum Hook.f. & Wilson
* Gymnostomum cucullatum (Müll.Hal.) A.Jaeger
* Gymnostomum curvisetum Schwägr.
* Gymnostomum cylindricum Hook. ex Harv.
* Gymnostomum denticulatum Griff.
* Gymnostomum dimorphum (Müll.Hal.) Sim
* Gymnostomum eurystomum (Sendtn.) Lindb. & Arnell
* Gymnostomum foliosum Röhling, 1810
* Gymnostomum gracile (R.Br.) Hook.
* Gymnostomum guadalupense Spreng.
* Gymnostomum hymenostomoides Poech
* Gymnostomum hymenostylioides Zander, 1993
* Gymnostomum inclinans (R.Br.) Hook.
* Gymnostomum inconspicuum Griff.
* Gymnostomum jacksharpii B.H.Allen, 1990
* Gymnostomum keniae P.de la Varde
* Gymnostomum knightii Schimp.
* Gymnostomum laeve Bryhn
* Gymnostomum lamprocarpum Mont.
* Gymnostomum lanceolatum Cano, Ros & J.Guerra, 1994
* Gymnostomum latifolium Brid.
* Gymnostomum laxirete (Broth.) P.C.Chen
* Gymnostomum laxirete Chen Pan-chieh, 1941
* Gymnostomum lessonii Bescherelle, 1891
* Gymnostomum linearifolium Taylor
* Gymnostomum lingulatum Rehman ex Sim, 1926
* Gymnostomum longirostre Griff.
* Gymnostomum ludovicae Brotherus & Paris, 1911
* Gymnostomum madagascariense O'Shea
* Gymnostomum menziesii (R.Br.) Hook.
* Gymnostomum mosis Juratzka & Milde, 1870
* Gymnostomum obtusifolium (Ehrh.) Rebent.
* Gymnostomum orizabanum Schimp.
* Gymnostomum pabstianum (Müll.Hal.) A.Jaeger
* Gymnostomum paucifolium (With.) Sm.
* Gymnostomum pottsii (Dixon) Sim
* Gymnostomum prorepens Hedw.
* Gymnostomum quadratum (Hook.) Hook.
* Gymnostomum reflexum Brid.
* Gymnostomum repandum Griff.
* Gymnostomum scaturiginosum Besch.
* Gymnostomum secundum (Müll.Hal.) A.Jaeger
* Gymnostomum senocarpum (Müll.Hal.) A.Jaeger
* Gymnostomum serratum Bréb.
* Gymnostomum setifolium Hook. & Arn.
* Gymnostomum simplicissimum Bridel, 1826
* Gymnostomum spathulatum Harv.
* Gymnostomum spirale Hartm.
* Gymnostomum splachnobryoides Bizot, 1980
* Gymnostomum stillicidiorum (Mitt.) A.Jaeger
* Gymnostomum systylium Funck
* Gymnostomum tenerrimum Wijk & Margadant, 1968
* Gymnostomum truncatulum (With.) Hedw. ex Schumach.
* Gymnostomum umbrosum (Mitt.) A.Jaeger
* Gymnostomum unguiculatum Philibert, 1879
* Gymnostomum uvidum Cardot
* Gymnostomum valerianum (E.B.Bartram) R.H.Zander
* Gymnostomum venezuelense (Müll.Hal.) Paris
* Gymnostomum viridissimum (Dicks.) Sm.
* Gymnostomum viridulum Bridel, 1826
* Gymnostomum wageri Schelpe