Observation 132061: Dumontinia tuberosa (Bull.) L.M. Kohn
When: 2013-04-15
(46.3437° 13.5673° 465m)

Notes: Code: Bot_700/2013_IMG2793 (April 15. 2013) and
Code: Bot_702/2013_IMG2869 (April 16. 2013)

Habitat: light, predominantly hard wood forest, next to a small stream, humid place in half shade; thick, sandy clay ground, ground coverage includes Anemone nemorosa, Crocus vernus, Petasites albus, Petasites paradoxus, Mercuralis perennis, Primula vulgaris, Chrysosplenium alternifolius, Lathraea squamaria, Galanthus nivalis, Oxalis accetosella, Rubus sp., etc., partly protected from direct rain by tree canopies, average precipitations ~ 3.000 mm/year, average temperature 8-10 deg C, elevation 465 m (1.500 feet), alpine phytogeographical region.

Substratum: soil.

Place: Bovec basin, at the foot of Mt. Čukla, below Ravni laz place, both observations about 250 m apart, East Julian Alps, Posočje, Slovenia EC

Comments: Associated with Anemone nemorosa; growing scattered solitary and in groups of several sporocarps, hundreds of sporocarps present, species, pileus diameter 1-2 cm, stem disproportionally long up to 8 cm, thin, fleshy, rubbery with small black (white inside) sclerotium at the end, sclerotium 4–12 mm long; at several, particularly smaller, sporocarps I was unable to find it; sporocarp flesh not brittle; SP whitish, abundant. Considered as a relatively rare species.

Nikon D700 / Nikkor Micro 105mm/f2.8 and Canon G11, 6.1-30mm/f2.8-4.5

Species Lists

Images

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These spores come from another, apparently older, sporocarp.
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Sclerotiums.
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Anemone nemorosa associated with Dumontinia tuberosa.
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Proposed Names

85% (1)
Eye3 Eyes3
Used references: (1) http://www.rogersmushrooms.com/...
(2) R.M. Daehncke, 1200 Pilze in Farbfotos, AT Verlag (2009), p 1147.
(3) http://www.cybertruffle.org.uk/...
(4) http://www.wildaboutbritain.co.uk/dumontinia-tuberosa
(5) Personal communication with Mr. Bojan Rot . Id’ed by Mr. Bojan Rot.
Based on microscopic features: Spores smooth. Dimensions: 15.8 (SD = 1.6) x 7.8 (SD = 0.6) μ, Q = 2.03 (SD = 0.21), n = 28. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil, in water, Congo red. AmScope MA500 digital camera. Asci dimensions: 126 (SD = 9.8) x 10.0 (SD = 1.0) μ, n = 14. Olympus CH20, NEA 40x, magnification 400, in water, Congo red. AmScope MA500 digital
Based on chemical features: Smell indistinctive.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2013-04-18 12:06:47 PDT (-0700)
Last modified: 2013-04-18 12:13:42 PDT (-0700)
Viewed: 87 times, last viewed: 2016-11-06 18:26:29 PST (-0800)
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