Several names share this combination and are defined under the rules of the botanical code. The species name Ectocarpus fasciculatus might be an homonymy case.
The name Ectocarpus fasciculatus is a slight homonymy case. This name is used according to the rules of several different nomenclatural codes.

Ectocarpus fasciculatus DlP.

Botany

Ectocarpus fasciculatus Griff.

Botany

Ectocarpus fasciculatus Harv.

Botany

Taxonomy

Algues 8
Ectocarpus 8

Infraspecific ranks

Ectocarpus fasciculatus var. congestus (P.L.Crouan & H.M.Crouan) Batters 1 1

Specimens registered in collections

Collection Number of specimens (or sets)
Cryptogams (PC) 8

Ectocarpus fasciculatus Harv.

Zoology

Taxonomy

Algues 14
Ectocarpus 14

Specimens registered in collections

Collection Number of specimens (or sets)
Marine Laboratory of Concarneau (CO) 14