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Nomenclature

Lactarius olivinus Kytöv.
Karstenia 24: 49. 1984.

Original diagnosis

Pileus 5-13 cm latus, convexo-depressus vel plano-depressus, margine tomentoso, mox reecto et glabro; cute pilei marginali squamis agglutinatis pellita; viscidus, pallide olivaceo-stramineus, dein olivaceus. Latex albus, ad aeris contactum mox saturate sulphureus, in KOH aurantiacus. Sapor acer. Lamellae prope stipitem furcatae, flexusoae. Stipes 3-8 cm longus, 1-3 cm crassus, cavus, siccus, pileo concolorus, variegatus, non scrobiculatus. Sporae 8.2-10(-10.9) x 6.1-7.3 µm, late ellipsoideae, ornamento amyloideo non reticulato. Macrocydtidia abundantia, 45-90 x 10-14 µm, fusoidea vel lanceolata, 30-70 µm projecta. In Fennoscandia calciphilus, in silvis uliginosis, cum Picea abiete. Augustio et Septembri.
Holotypus: Sweden, Asele Lappmark, Vilhelmina, Dikanäs, E end of lake Diktsjön, ca. 100 m from the bridge, alluvial spruce-hardwood swamp with Picea abies, Betula pubescens, Juniperus communis, Salix glauca, S. lapponum, S. phylicifolia, Calamagrostis chalybaea, Deschampsia cespitosa etc., on and between hummocks, 435 m, 16.VIII.1981, P. & I. Kytövuori 81587 (H, isotypi in MICH, K, O, PRM, UPS, Z).

Typification

Holotypus: Kytövuori 81.587 (H)
Europe: Sweden: Asele Lappmark, Vilhelmina, Dikanäs, E end of lake Diktsjön
Picea

Description

Photographs

Microscopy

SEM photos