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Nomenclature

Russula subterfurcata Romagn.
Russules d'Europe Afr. Nord: 318, 922, 977. 1967.

Russula subterfurcata Romagn.
(nom. inval., art. 37.1 ICBN)
Bull. Mens. Soc. Linn. Lyon 31 (6): 176. 1962.

Russula galochroa var. subterfurcata (Romagn.) Krieglst.
Die Großpilze Baden-Württembergs 2: 455. 2000.

Original diagnosis

R. subterfurcata (= R. basifurcata ss. Kühner-Romagn.). — Pileo 3,5-5 cm et amplius, primum globoso, deinde convexo et expanso, firmo, crasso, medio depresso umbilicatove, margine obtusa, levi vel vetustate brevissime sulcata, fundo pallido, areis ex olivaceis brunneis, interdum pallido vel e violaceo cinereo, cute sicca, impolita, modo levi, modo subtiliter rugulosa vel furfuracea, margine interdum pruinosa (in juventute saltem). Stipite 3-4 × 1 cm, brevi, duro, pleno, dein submedullato, albo, paulum brunnescente vel flavescente. Carne firma, crassa, alba, paulum brunnescente vel flavescente. Lamellis tenuibus, ± stipatis, manifeste furcatis, attenuatis liberis, falciformibus-arcuatis, deinde obtusis, 4-6 mm latis, e stramineis albis. Sporis in pulvere cremeis, minimis, 5,2-6,5-(7) × 4,7-5,5-(5,7) µ, plerumque subglobosis, verrucis metalibus, obtusis, modicis, parum densis, saepe in cristulas confluentibus, parum amyloideis, haud vere reticulatis. Basidiis 45-50 × 7-8,5 µ. Cystidiis 57-85 × 7,7-11,5 µ. Cute ex pilis obtusis, articulis saepe brevibus, ellipsoideis vel subglobosis, 3,5-7-(9) µ latis, constante, dermatocystidiis multis, claviformibus, cylindratis vel fusiformibus, 5,7-8 µ latis. — In silva frondosa.

Typification

Holotypus: Romagnesi 50-89 (PC)
Europe: Belgium: Forêt de Soignes (route du Mont-Saint-Jean), near Bruxelles
Broad-leaved forest, dominated by beech

Description

Photographs

Microscopy

SEM photos