Notes: Code: Bot_672/2012_DSC5853
Habitat: Mixed mountain forest, predominantly Fagus sylvatica with some large Abies alba and Picea abies, old stands; medium inclined south slope, calcareous bedrock, acid soil (Vaccinium myrtillus), relatively warm place, partly shady, partly protected from direct rain by tree canopies, average precipitations ~ 3.000 mm/year, average temperature 2-4 deg C, elevation 1.335 m (4.400 feet), alpine phytogeographical region.
Place: Between Mt. Planja, 1.553 m and Mt. Mali vrh, 1.991 m. below forest road east of Planja, Loška Koritnica valley, East Julian Alps, Posočje, Slovenia EC
Comments: Growing in a large group of over 50 big waxy robust fruitbodies in all stages of development from hemispheric caps to already decayed fruitbodies; pileus diameter 5-15 (22!) cm, 5 to 14 cm tall; taste mild, mushroomy, quite pleasant; smell mild, somewhat acid or rancid?; flesh firm, meaty; SP surprisingly faint, whitish?
Spores smooth. Dimensions: 11.4 (SD = 0.9) x 8.3 (SD = 0.7) micr., Q = 1.4 (SD = 0.1), n = 21. Olympus CH20 (Motic B2-211A), NEA 100x/1.25, magnification 1.000 x, oil, in water.
Measured spores are much bigger than data from literature (see Excel graph). I do not know whether and how this can be explained (see Ref.:(2)). Also many fruitbodies of this observation were significantly larger than data from literature. It is interesting that other observations of unusually large size and number have been reported this year also from other parts of Slovenia (Ref.:(1)). Can this be a completely wrong determination? I am unable to find any other Hygroporus with such large spores.
Ref.: (1) Personal communication with Mr. Anton Poler and Mr. Bojan Rot. ID proposed by Mr. Anton Poler.
(2) http://quod.lib.umich.edu/... (3) S. Buczacki, Collins Fungi Guide, Collins (2012), p 260.
(4) J. Breitenbach, F.Kraenzlin, Eds., Fungi of Switzerland, Vol.3. Verlag Mykologia (1984), p 99.
(5) M. Bon, Parey’s Buch der Pilze, Kosmos (2005), p 114.
(6) R. Phillips, Mushrooms, Macmillan (2006), p 70.
(7) R.M. Daehncke, 1200 Pilze in Farbfotos, AT Verlag (2009), p 124.
(8) D. Arora, Mushrooms Demystified, Ten Speed Press, Berkeley (1986), p 124.
Nikon D700 / Nikkor Micro 105mm/f2.8 and Canon G11, 6.1-30mm/f2.8-4.5
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Created: 2012-10-28 10:41:50 HST (-1000)
Last modified: 2012-10-28 10:44:45 HST (-1000)
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