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 101

Species

Ptychostomum archangelicum (Bruch & Schimp.) J.R.Spence 2
Ptychostomum bimum (Schreb.) J.R.Spence 9
Ptychostomum boreale (F.Weber & D.Mohr) Ochyra & Bedn.-Ochyra 1
Ptychostomum capillare (Hedw.) Holyoak & N.Pedersen 3
Ptychostomum cernuum (Hedw.) Hornsch. 7
Ptychostomum compactum Hornsch. 9
Ptychostomum imbricatulum (Müll.Hal.) Holyoak & N.Pedersen 1
Ptychostomum intermedium (Brid.) J.R.Spence 2
Ptychostomum moravicum (Podp.) Ros. & Mazimpaka 12
Ptychostomum pallens (Sw.) J.R.Spence 10
Ptychostomum pallescens (Schleich. ex Schwägr.) J.R.Spence 16
Ptychostomum pendulum Hornsch. 1
Ptychostomum pseudotriquetrum (Hedw.) J.R.Spence & H.P.Ramsay ex Holyoak & N.Pedersen 11 4
Ptychostomum schleicheri (DC.) J.R.Spence ex D.Bell & Holyoak 1
Ptychostomum sp. 4
Ptychostomum torquescens (Bruch & Schimp.) Ros. & Mazimpaka 2
Ptychostomum turbinatum (Hedw.) J.R.Spence 10
Ptychostomum weigelii (Biehler) J.R.Spence 1

102 Specimens registered in collections

Collection Number of specimens (or sets)
Cons. et Jard. Bot. de Nancy (NCY) 31
Cryptogams (PC) 29
Herbarium of harmas de J. H. Fabre (FABR) 42

Ptychostomum

Zoology

Taxonomy

Ciliophora 5

Species

Ptychostomum bacteriophilus Nana, Fokam, Ntoungwa et al., 2012 1
Ptychostomum commune De Puytorac, 1968 1
Ptychostomum macrostomum Njiné & Ngassam, 1993 1
Ptychostomum prolixus Njiné & Ngassam, 1993 1
Ptychostomum sanagae Ngassam & Grain, 2000 1

Specimens registered in collections

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