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Nomenclature

Russula albonigra f. pseudonigricans Romagn.
Russules d'Europe Afr. Nord: 200, 922, 926. 1967.

Russula albonigra f. pseudonigricans Romagn.
(nom. inval., art. 37.1 ICBN)
Bull. Mens. Soc. Linn. Lyon 31 (6): 173. 1962.

Russula albonigra var. pseudonigricans (Romagn.) Bon
(nom. inval.)
Doc. Mycol. 18 (70-71): 8. 1988.

Original diagnosis

R. albonigra f. pseudonigricans — A typo solum differt carne secta intensissime rubescente, dein nigricante.

Typification

Holotypus: Romagnesi 56-82 (PC)
Europe: France: Oise: Lamorlaye
On the slope of a hill on calcareous and clayey soil, under different broad-leaved trees...

Description

Photographs

Microscopy

SEM photos