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

Sphaeria quercuum Schwein.

Botany

Taxonomy

Sphaeria 1

Specimens registered in collections

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

Sphaeria quercuum Schweinitz

Botany

Taxonomy

Sphaeria 2

Specimens registered in collections

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