The name Ptychostomum is a slight homonymy case. This name is used according to the rules of several different nomenclatural codes.

Ptychostomum

Botany

Taxonomy

Bryaceae 90

90 Specimens registered in collections

Collection Number of specimens (or sets)
Cons. et Jard. Bot. de Nancy (NCY) 23
Cryptogams (PC) 25
Herbarium of harmas de J. H. Fabre (FABR) 42

Ptychostomum

Zoology

Taxonomy

Ciliophora 5

Specimens registered in collections

Collection Number of specimens (or sets)
Protists (IR) 5