Auricularia auricula-judaea, syn: A. auricula, A. auricularis, A. sambuci
Jelly Ear
Slo.: bezgova uhljevka, judeževo uho

Dat.: April 01. 2013
Lat.: Long.:
Code: Bot_692/2013_IMG2541

Habitat: Steep river bank, northeast oriented, calcareous ground, in mixed predominantly Fagus sylvatica forest, humid place (ground and air), about 15 m above water level of the river, mostly in shade; partly protected from direct rain by tree canopies; average precipitations ~ 3.000 mm/year, average temperature 8-10 deg C, elevation 360 m (1.200 feet), alpine phytogeographical region.

Substratum: a large stump of a cut down Fagus sylvatica in its initial stage of disintegration.

Place: Soča valley between Kobarid and village Žaga, left bank of river Soča near village Srpenica, East Julian Alps, Posočje, Slovenia EC.

Comments: Unusual shape and substratum. Short but distinctive stalk. First I thought it’s an ascomycete like Peziza sp. or something similar. But I found no asci. Growing solitary, pileus diameter 2.5 cm (~1 inch), flesh gelatinous, almost liquid, with quite strong, flexible and thin ‘skin’, hairy underside; SP faint whitish. During drying it shrunk heavily.

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

Species Lists


Note distinct, short, almost centrally located steam.
Spores seem a bit large, however data from literature vary widely.
Hairs on outer (lower) side of the fruitbody (dissecting microscope)
Hairs are about 100 microns long.
Hypha of almost ‘liquid’ trama.
Some clamps can be seen in trama.
Cristals of to me unknown origin (?). I don’t knwo what they coud be.

Proposed Names

28% (1)
Recognized by sight
Used references: (1) Personal communication with Mr. Gregor Podgornik, NAC Tolmin. Id proposed by him.
(2) R.Lueder, Grundkurs Pilzbestimmung, Quelle & Meyer (2008), p 144.
(3) D.Arora, Mushrooms Demystified, Ten Speed Press, Berkeley (1986), p675.
(4) R.M. Daehncke, 1200 Pilze in Farbfotos, AT Verlag (2009), p 1069.
(5) M.Bon, Parey’s Buch der Pilze, Kosmos (2005), p 324.
Based on microscopic features: Spores smooth, allantoid. Dimensions: 20.6 (SD = 1.1) x 7.0 (SD = 0.5) μ, Q = 2.96 (SD = 0.19), n = 30. Olympus CH20, NEA 40x/1.25, magnification 400 x, in water, congo red, AmScope MA500 digital camera.
Based on chemical features: Smell indistinctive.

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