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Nomenclature

Russula fragilis (Pers.) Fr.
Epicr. syst. mycol.: 359. 1838.

≡ Agaricus fragilis Pers.
Syn. meth. fung. 2: 440. 1801.

≡ Agaricus linnaei var. fragilis (Pers.) Fr.
Observ. mycol. 1: 68. 1815 (as 'Agaricus Linnæi δ) fragilis').

≡ Russula emetica var. fragilis (Pers.) Quél.
Fl. mycol. France: 343. 1888.

≡ Russula emetica subsp. fragilis (Pers.) Singer
Z. Pilzk. [BPH] 3 (6): 111. 1924.

Original diagnosis

347. A. Russ. fragilis: pileo depresso flexuoso dilute purpurascente-rubello, lamellis latiusculis stipiteque candidis.
In faginetis.
Stip. unc. 1 et ultra longus, 4 lin. crassus. Pil. 2 unc. latus, margine subtuberculosus, nonnunquam undulato-difformis. Sapor valde acris.

Typification

Neotypus: PC: Romagnesi 60-34, Europe:

Description

Photographs

Microscopy

SEM photos

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