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Nomenclature

Russula pseudoaeruginea (Romagn.) Kuyper & Vuure
Persoonia 12 (4): 451. 1985.

Russula aeruginea var. pseudoaeruginea Romagn.
Bull. Mens. Soc. Linn. Lyon 21: 111. 1952.

Russula grisea var. pseudoaeruginea (Romagn.) Romagn.
(nom. inval., art. 33.3 ICBN)
Fl. Analyt. Champ. Supér. [IF]: 444. 1953.

Russula pseudoaeruginea (Romagn.) Romagn.
(nom. inval., art. 33.3 ICBN)
Russules d'Europe Afr. Nord: 313, 966. 1967.

Original diagnosis

Pileo 6-9,5 cm, convexo, dein expanso, medio ± depresso, margine obtusa et plerumque manifeste sulcata, e griseo viridi, ex olivaceo viridi, interdum zona obscuriore circum praedito. Stipite 4-6 x 1,4-2 cm, firmo, pleno, albo, deinde maculis ochraceis vel rufulis. Carne crassa, firma, alba, paulum fuscescente, odore vix ullo, sapore primum in lamellis acri, deinde dulci. Lamellis stipatis, deinde distantibus, ± furcatis, primum leviter subdecurrentibus, deinde adnexis (sinuatis), albidis, deinde ex ochraceis cremeis, fragilibus. Polline sporarum intense cremeo (D Crawshay). Sporis 6,5-7,2 x 5-5,7 µ, maxime cristulatis, reticulatis. Basidiis 35-45 x 8-10,7 µ. Cystidiis 57-75 x 7,5-11,7 µ, plerumque appendiculatis. Epicute pilis acutis, subulatis, multis septis, 4-7 µ latis, dermatocystidiisque obtusis vel cuspidatis, 5-9 µ latis. - In silva frondosa (sub fagis, etc.), autumno non rara.

Typification

Lectotypus: Romagnesi 50-224 (PC)
Europe: France: Oise: Coye-la-Forêt

Description

Photographs

Microscopy

SEM photos