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Nomenclature

Russula stenotricha Romagn.
Les Russules: 290, 922, 976. 1967.

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

Original diagnosis

Russsula stenotricha. — Pileo 4-6,5 cm carnoso vel carnoso-fragili, mos expanso; medio manifeste et ample depresso, margine obtusa, levi vel brevissime sulcata, viridulo vel e viridi griseo, cute levi vel ruguloso vel punctulato. Stipite 5 × 1-1,2 cm, pleno, deinde spongioso-medullato et postremo cavo, albo, paulum flavescente. Carne satis crassa, firmula, dein fragili, alba leviter flavescente. Odore obsoleto; sapore in lamellis paulum acri. Lamellis stipatis vel modice distantibus, saepe furcatis, attenuatis, subdecurentibus vel rotundatis liberis, obtusis, 4-5,5 mm latis, eburneis, deinde ex ochraceis cremeis. Sporis in pulvere cremeis, parvis, 6-7,5 × 5-6,5 µ, plerumque subglobosis, verrucis modicis vel satis grandibus, cristis striisque frequentibus, partim reticulatis. Basidiis 35-52 × 5-6,5 µ. Cystidiis 60-72-(100) × 5-6,5 µ. Epicute ex pilis gracilibus, 3,5-4-(4,7) µ latis, sine articulis inferne dilatatis, constante; dermatocystidiis plurimis, claviformibus, obtusis, saepe brevibus, 20-50 × 5-9-(12) µ. — In silva frondosa (sub Tiliis, Betulis, etc.).

Typification

Holotypus: Romagnesi 57-23 (PC)
Europe: France: ForÍt de Hez, not far from Thury-sous-Clermont
Under broad-leaved trees on clayey-calcareous soil

Description

Photographs

Microscopy

SEM photos