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Nomenclature

Lactarius torminosulus Knudsen & T. Borgen
Nordic J. Bot. 16: 212. 1996.

Lactarius subtorminosus Knudsen & T. Borgen
(nom. illeg., art. 53.1 ICBN)
Mycol. helv. 6 (2): 52. 1994.

Original diagnosis

Lactario torminoso satis similis. Pileus 2-4, raro ad 6 cm. diam., margine initio involuto, crasse tomentoso, deinde expansus, glabrior, planus, post depressus, opacus, ochraceus vel pallide roseo-salmoneus, plus minusve manifesto concentrice zonatus. Lamellae decurrentes. Stipes 1-2.5(-3) cm. x 0.5-1 cm. magnus, albidus vel colore pilei affectus. Lac parvum, aqueo-albidum. Sapor acer. Sporae 7.5-8.5(-9) x 5.5-6.5 µm. magnae, ellipsoides vel late ellipsoides, crasse reticulatae. Cum Betula nana et B. glandulosa mycorrhizam formans. Typus die 20 Augusti anni 1992, prope urbem norvegicam Tromsų in valle Signaldalen a H. Knudsen & M. Sasa lectus, siccus in Museo Botanico Hauniensi (C) depositus.

Typification

Holotypus: Knudsen & Sasa 20-8-1992 (C)
Europe: Norway: Tromsų
Betula

Nomenclatural notes

  1. A later homonym of L. subtorminosus Coker (1918)

Description

Photographs

Microscopy

SEM photos