Ceramium plumula (J.Ellis) C.Agardh species synonym

Ceramium crispum Ducluzeau, 1806 species synonym

Conferva plumula J.Ellis species synonym

Pterothamnion plumula (J.Ellis) Nägeli species accepted

Platythamnion plumula (J.Ellis) Boudouresque, Belsher & Marcot species synonym

Antithamnion plumula (J.Ellis) Thuret species synonym

Antithamnion plumula var. demersum L'Hardy-Halos, 1968 variety synonym

Callithamnion plumula (J.Ellis) Lyngbye species synonym

Pterothamnion heteromorphum (J.Agardh) Athanas. & Kraft species accepted

Callithamnion heteromorphum J.Agardh species synonym

Pterothamnion antarcticum (Kylin) Moe & P.C.Silva species accepted

Pterothamnion polyacanthum (Kützing) Nägeli species accepted

Callithamnion polyacanthum Kütz., 1849 species synonym

Pterothamnion squarrulosum (Harv.) Athanas. & Kraft species accepted

Pterothamnion crispum (Ducluz.) Nägeli species accepted

Callithamnion plumulum var. horridulum J.Agardh, 1841 variety synonym

Antithamnion crispum (Ducluzeau) Thuret species synonym

Pterothamnion plumula var. refractum (Kütz.) variety synonym

Platythamnion crispum (Ducluzeau) Feldmann, 1937 species synonym

Callithamnion refractum Kütz., 1843 species synonym

Platythamnion plumula var. crispum (Ducluzeau) Hauck variety synonym

Callithamnion plumulum var. crispum (Ducluzeau) J.Agardh, 1851 variety synonym

Platythamnion plumula var. bebbii (Reinsch) Feldmann, 1937 variety synonym

Callithamnion abietinum Reinsch, 1875 species synonym

Callithamnion bebbii Reinsch, 1875 species synonym

Pterothamnion plumula var. bebbii (Reinsch) Cormaci & G.Furnari, 1985 variety synonym

Antithamnion plumula var. refractum (Kütz.) Schiffn. & Vatova, 1938 variety synonym

Pterothamnion crispum var. bebbii (Reinsch) Mazoyer variety synonym

Pterothamnion refractum (Kütz.) Nägeli, 1862 species synonym

Antithamnion plumula var. bebbii (Reinsch) Feldmann, 1937 variety synonym

Pterothamnion confusum (J.Agardh) Athanas. species accepted

Pterothamnion simile (Hook.f. & Harv.) Nageli species accepted

Pterothamnion spinescens (Strömfelt) Athanasiadis, 1996 species accepted

Antithamnion plumula var. spinescens Strömfelt variety synonym