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

Lecidea speirea ex L.Dufour

Botany

Taxonomy

Lecidea 1

Specimens registered in collections

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

Lecidea speirea Ach.

Botany

Taxonomy

Lecidea 2

Infraspecific ranks

Lecidea speirea var. cretacea Ach. 1

Specimens registered in collections

Collection Number of specimens (or sets)
Cryptogams (PC) 2