Orthotrichum nudum var. riparium (Huebener) Baehni variety synonym

Orthotrichum limprichtii var. norvegicum (I.Hagen) Nyholm variety synonym

Orthotrichum limprichtii var. limprichtii variety synonym

Orthotrichum nudum var. norvegicum I.Hagen variety synonym

Orthotrichum cupulatum var. austroamericanum Lewinsky variety accepted

Orthotrichum urnigerum subsp. perforatum (Venturi) Giacom. subspecies synonym

Orthotrichum cupulatum var. floerkei (Hornsch.) Huebener variety synonym

Orthotrichum cupulatum f. norvegicum (I.Hagen) Podp. form synonym

Orthotrichum anomalum var. cryptopodium Huebener variety synonym

Orthotrichum urnigerum var. fuscum (Venturi) Venturi variety synonym

Orthotrichum cupulatum var. commutatum (Bruch) Jansen & Wacht. variety synonym

Orthotrichum anomalum var. floerkeanum Hampe variety synonym

Orthotrichum cupulatum subsp. nudum (Dicks.) Kindb. subspecies synonym

Orthotrichum austrocupulatum Dixon & Sainsbury species synonym

Orthotrichum floerkei Hornsch. species synonym

Orthotrichum cupulatum var. cupulatum variety accepted

Orthotrichum venturii subsp. fuscum Venturi subspecies synonym

Orthotrichum nudum Dicks. species heterotypic synonym

Orthotrichum floerkeanum (Hampe) Martins species synonym

Orthotrichum rudolphii Lehm. species synonym

Orthotrichum nudum var. fenestratum Herzog variety synonym

Orthotrichum cupulatum var. rudolphianum Schimp. variety synonym

Orthotrichum nudum var. commune Venturi variety synonym

Orthotrichum urnigerum var. perforatum Venturi variety synonym

Orthotrichum cupulatum f. fenestratum (Herzog) Podp. form heterotypic synonym

Orthotrichum anomalum subsp. nudum (Dicks.) J.J.Amann subspecies synonym

Orthotrichum venturii var. fuscum (Venturi) Venturi variety synonym

Orthotrichum nudum var. rudolphianum (Schimp.) Venturi variety synonym

Orthotrichum cupulatum var. nudum (Dicks.) Braithw. variety heterotypic synonym

Orthotrichum commutatum Bruch species synonym

Orthotrichum cupulatum var. austrocupulatum (Dixon & Sainsbury) Lewinsky variety accepted

Orthotrichum cupulatum var. nudum (Dicks.) Lindb. variety synonym

Orthotrichum cupulatum var. riparium Huebener variety accepted

Orthotrichum cupulatum var. fuscum (Venturi) Boulay variety accepted

Orthotrichum cupulatum f. rudolphianum Podp. form synonym

Orthotrichum fuscum (Venturi) Venturi species synonym

Orthotrichum schubartianum var. fuscum (Venturi) J.J.Amann variety synonym