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Nomenclature

Lactarius aquizonatus Kytöv.
Karstenia [BPH] 24: 60. 1984.

Original diagnosis

Pileus 9-20(-25) cm latus, convexo-depressus vel infundibuliformis, margine involuto, dein recto, gelatinose squarroso, dein glabro, cute pilei marginali squamis gelatinosis squarrosis vel appressis pellita; gelatinosus, albidus vel pallide ochraceus (color intentior in pileis exsiccatis), zonis aqueis angustis marginaliter zonatus. Latex albus, ad aeris contactum mox saturate sulphureus, in KOh aurantiacus. Sapor acer, odor dulcidulus, in pileis exsiccatis manifeste distinctus. Lamellae confertae, rectae, tenuiter decurrentes, exiliter salmoneae (color intentior in pileis exsiccatis). Stipes 2.5-6 cm longus, 2-4.5(-7) cm crassus, cavus, siccus, pallidus, basi tenuiter scrobiculatus. Sporae 6.8-8.8 x 4.8-6.1 µm, ellipsoideae, ornamento amyloideo (sub)reticulato. Macrocystidia rara, 30-90 x 5-9 µm, aculeata vel subulata, 0-50 µm projecta. In Fennoscandia calciphilus, in silvis aridis, humidis et uliginosis, cum Pino sylvestris, Betula. Augustio et Septembri.
Holotypus: Finland, Puolanka, Väyrylä, Kurikkavaara, Pääkkö, E Side of Iso Vuorijärvi, sloping rich forest on schistose bedrock with Picea abies, Pinus sylvestris, Juniperus communis, 180 m, 30 VIII 1981. I. Kytövuori 81943 (H, isotypi in MICH, K, O, PRM, UPS, Z).

Typification

Holotypus: Kytövuori 81.934 (H)
Europe: Finland: Puolanka, Väyrylä, Kurikkavaara, Pääkkö, E Side of Iso Vuorijärvi

Description

Photographs

Microscopy

SEM photos

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