Several names share this combination and are defined under the rules of the botanical code. The species name Ptilium crista-castrensis might be an homonymy case.

Ptilium crista-castrensis (Hedw.) De Not.

Botany

Ostrich-plume Feather-moss

Taxonomy

Hypnaceae 6
Ptilium 6

Specimens registered in collections

Collection Number of specimens (or sets)
Cons. et Jard. Bot. de Nancy (NCY) 2
Cryptogams (PC) 1
Herbarium of harmas de J. H. Fabre (FABR) 3

Ptilium crista-castrensis (L.) De Not.

Botany

Taxonomy

Hypnaceae 9
Ptilium 9

Specimens registered in collections

Collection Number of specimens (or sets)
Cons. et Jard. Bot. de Nancy (NCY) 2
Cryptogams (PC) 4
Herbarium of harmas de J. H. Fabre (FABR) 3