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

Dumontia filiformis (Fl.Dan.) Grev.

Botany

Taxonomy

Algues 1
Dumontia 1

Specimens registered in collections

Collection Number of specimens (or sets)
Cryptogams (PC) 1

Dumontia filiformis Grev.

Botany

Taxonomy

Algues 4
Dumontia 4

Specimens registered in collections

Collection Number of specimens (or sets)
Cryptogams (PC) 4

Dumontia filiformis (Hornem.) Grev.

Zoology

Taxonomy

Dumontia 6

Specimens registered in collections

Collection Number of specimens (or sets)
Marine Laboratory of Concarneau (CO) 6