Orthothecium

Orthothecium is a genus of mosses belonging to the family Hypnaceae.

The species of this genus are found in Eurasia, New Zealand and Northern America.

Species:
 * Orthothecium acuminatum Bryhn, 1907
 * Orthothecium austrocatenulatum Kindberg, 1891
 * Orthothecium bollei (De Not.) A. Jaeger
 * Orthothecium celebesiae (Müll. Hal.) A. Jaeger
 * Orthothecium chryseum (Schwägr.) Schimp.
 * Orthothecium diminutivum (Grout) H.A. Crum, Steere & L.E. Anderson
 * Orthothecium duriaei (Mont.) Besch.
 * Orthothecium filum (Müll. Hal.) Kindb.
 * Orthothecium hyalopiliferum Redf. & B.H. Allen
 * Orthothecium intricatum (Hartm.) Schimp.
 * Orthothecium lapponicum (Schimp.) C. Hartm.
 * Orthothecium nilgheriense (Mont.) A. Jaeger
 * Orthothecium ovicarpum (Dixon) W.R. Buck
 * Orthothecium rufescens (Dicks. ex Brid.) Schimp.
 * Orthothecium schlagintweitii (Sendtn. ex Müll. Hal.) Paris
 * Orthothecium strictum Lorentz
 * Orthothecium trichophyllum (Sw. ex Hedw.) M. Fleisch.