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Nomenclature

Russula albofloccosa Buyck
Bull. Jard. Bot. Natl. Belg. 60: 199. 1990.

Original diagnosis

Pileus fragilis, 45-50 mm diam., primo fere hemisphaericus, dein convexus ad planus; margo laceratus, striatus; pileipellis cremea ad pallide flava, viscosa, pelliculis albis vestita. Stipes 25-30 x 10-12 mm, subcylindratus, subtile ridulosus, albidus sed basim versus flavescens, intus cavernosus. Caro immutabilis, mitis vel tarde leviter acris, alba, cremea in stipite; odor ingratus. Lamellae librae, albidae, haud ramosae vel intervenatae. Sporae albidae in cumulo, cremeae in herbario.
Sporae ellipsoideae,8,47 ± 0,58 x 6,63 ± 0,38 µm (Q = 1,28), dense cristis amyloideis tenuibus locale connexis ornatae, subreticulatae; macula suprahilaris inamyloidea. Basidia 40-50 x 9-11 µm tetraspora; sterigmata 4-5 x 1-2 µm. Cystidia voluminosa, profunde in trama orta, 70-110 x 11-16 µm, fusiformia ad clavata, generaliter mucronata vel appendiculata, tenuitunicata. Pili cystidiformes 20-60 x 4-10 µm, versiformes, apicem versus tenuiores. Pileipellis orthochromatica in azureo cresylico; subpellis hyphis 2-4 µm diam. efformata; suprapellis discontinua, pilis subcylindratis tenuibus 2-5 (-7) µm latis intricatis paulum ramosis dense septatis efformata; cellula terminalis subapicale leviter strangulata; pileocystidia in suprapelle indistincta, tenuia, 2-4 µm lata, subulata ad cylindrata, interdum longissima, in subpelle grandioria, 5-10 (-15) µm diam., cylindrata ad clavata.
Burundi: Rwanda - Burundi: Mugara, Prov. Bururi, sous Brachystegia, déc. 1978, Rammeloo 6096 (holotypus BR).

Typification

Holotypus: Rammeloo 6096 (BR)
Africa: Burundi: Mosso-Malagarasi: Bururi, Mugara
Sous Brachystegia

Description

Photographs

Microscopy

SEM photos