Notes: Code: Bot_850/2014_DSC4876
Habitat: grassland mowed twice a year, semiruderal calcareous ground next to a small wooden building, on its southeast side, flat terrain, partly sunny, exposed to direct rain, average precipitations ~ 3.000 mm/year, average temperature 7-9 deg C, elevation 600 m (1.950 feet), alpine phytogeographical region.
Place: Lower Trenta valley, right banks of river Soča, in front of Trenta 2b cottage, East Julian Alps, Posočje, Slovenia EC
Comments: Members of genus Melanoleuca are difficult to be determined to species level. Many pros agree this is almost impossible without microscopy. No wonder many old observations seem to be questionable particularly in Melanoleuca melaleuca group where in addition species names melaleuca, polioleuca and vulgaris have been treated differently by different authors. Krieglsteiner (2001) states that large part of all historical observations not supported with an available exsiccate should be simply forgotten. Nevertheless, following Ref.1.the mushrooms photographed seem to be Melanoleuca polioleuca. Two typical traits, large cheilocystidia (a few with a small head of crystals have been also observed) and brownish trama in stipe base should distinguish it from very similar M. melaleuca, which grows in exactly the same habitats.
Growing in a group of about 10 pilei within 2 × 0.5 m area; pilei diameter 6-9 cm, pilei surface looking velvety; pilei slightly hygrophanous, cutis peels off easily up to about 1/3 of the radius of pilei; stipe fibrous,4.5-8 cm long and 9-12 mm in diameter, at the base somewhat club shaped with a diameter of up to 18 mm; SP abundant, beige with slight green tint, oac7.
Nikon D700/Nikkor Micro 105mm/f2.8
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|I’d Call It That||3.0||5.69||1||(amadej)|
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Created: 2014-11-08 21:24:27 CET (+0100)
Last modified: 2014-11-08 21:29:11 CET (+0100)
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