Observation 153409: Lactarius porninsis Rolland

When: 2013-11-21

Collection location: Tolmin region, Posočje, East Julian Alps, Slovenia [Click for map]

46.1739° 13.8147° 870m

Who: amadej trnkoczy (amadej)

No specimen available

Code: Bot_764/2013_DSC8929

Habitat: mountain pasture with scattered groups of Larix decidua and Picea abies trees, full sun, modestly inclined mountain slope, exposed to direct rain, average precipitations ~ 2.600 mm/year, average temperature 6-8 deg C, elevation 870 m (2.850 feet), alpine phytogeographical region.

Substratum: soil, under Larix decidua.

Place: North of Ljubin village near town Tolmin, near the top of Tlaka hill, 911 m (2.988 feet), East Julian Alps, Posočje, Slovenia EC

Comments: Growing scattered solitary and in groups; several pilei present.This mushroom grows mostly in the Alps and is strictly growing under Larix decidua trees. Is it edible or not seems questionable. In the literature one can find everything – from delicious, edible, conditionally edible to not edible. Pileus diameter up to 9 cm, stipe 4-5 cm and 1.2 – 1.4 cm diameter; flesh brittle; SP very faint, whitish(?); milk white, not abundant, not changing color for a long time.

Nikon D700/Nikkor Micro 105mm/f2.8

Proposed Names

85% (1)
Eye3 Eyes3
Recognized by sight: white milk, vivid orange color and under, under Larix decidua
Used references: (1) Personal communication with Mr. Gregor Podgornik.
(2) M. Bon, Parey’s Buch der Pilze, Kosmos (2005), p 82.
(3) A. Poler, Veselo po gobe (in Slovene), Mohorjeva družba Celovec (2002), p 246
(4) R.Lueder, Grundkurs Pilzbestimmung, Quelle & Meyer (2008), p 194.
Based on microscopic features: Spores warty. Dimensions: 9.2 (SD = 0.8) x 7.5 (SD = 0.5) μ, Q = 1.22 (SD = 0.07), n = 19. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil, in water. AmScope MA500 digital camera.
Based on chemical features: Smell distinctive, fresh, pleasant, like fruit jam; taste mild, pleasant, resembling nuts.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2013-11-21 11:29:37 EST (-0500)
Last modified: 2013-11-21 11:29:42 EST (-0500)
Viewed: 31 times, last viewed: 2018-01-07 23:12:58 EST (-0500)
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