Several names share this combination and are defined under the rules of the botanical code. The species name Calicium nigrum might be an homonymy case.

Calicium nigrum Pers.

Botany

Taxonomy

Calicium 1

Specimens registered in collections

Collection Number of specimens (or sets)
Vascular plants (P) 1

Calicium nigrum Ach.

Botany

Calicium nigrum Schaer.

Botany

Taxonomy

Calicium 5

Infraspecific ranks

Calicium nigrum var. curtum Schaer. 4
Calicium nigrum var. sphaerocephalum Schaer. 1

Specimens registered in collections

Collection Number of specimens (or sets)
Cryptogams (PC) 5