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Nomenclature

Lactarius tuomikoskii Kytöv.
Karstenia 24: 52. 1984.

Original diagnosis

Pileus 7-14(-18) cm. latus, convexus-depressus, dein plano-depressus, margine involuto, strigoso, dein recto et glabro, cute pilei marginali tenuiter porcata; glutinosus, pallide luteus, azonatus. Latex albus, ad aeris contactum mox saturate sulphureus, in KOH aurantiacus. Sapor acer. Lamellae albae, prope stipitem aliquantum furcatae et flexuosae. Stipes 4-8(-11) cm. longus, 1.3-3 cm. crassus, cavus, siccus, pileo concolorus vel pruinosus, non scrobiculatus. Sporae 7.7-10.2(-10.9) x 6.3-7.7 µm., late ellipsoideae, ornamento amyloideo subreticulato. Macrocystidia dispersa, 40-100 x 5-8 µm., aculeata vel sabulata, 15-70 µm. projecta. In Fennoscandia non calciphilus, in silvis humidis, cum Picea abiete. Augustio et Septembri. Holotypus: Finland, Perä-Pohjanmaa, Rovaniemi rural commune, Pisavaara, grove-like spruce forest, 29.VIII.1974 R. Tuomikoski (H).

Typification

Holotypus: R. Tuomikoski sn (H)
Europe: Finland: Finland, Perä-Pohjanmaa, Rovaniemi rural commune, Pisavaara
Picea

Description

Photographs

Microscopy

SEM photos