11-09-2025 16:57
Jason Karakehian
Our revision of Marthamycetales (Leotiomycetes) is
13-09-2025 14:10
Wim de GrootWe found this hymenoscyphus on rubus fruticulosis.
13-09-2025 14:01
Thomas Flammerdark brown apothecia, splitIKI-Spores biguttulate
10-09-2025 23:53
Marcel Heyligen
Found on Robinia pseudoacasia together with Diapor
10-09-2025 17:18
Blasco Rafael
Hola, encontre este estiercol de vaca estos apotec
02-09-2025 11:34
Thomas Læssøehttps://svampe.databasen.org/observations/10527903
Hyaloscypha leuconica
From leave litter of dwarfshrubs among sphagnum, 06.08.2012, N61,063892° E69,455695°.
Apothecia cupulate, short-stipitate, about 100 - 150 mk in diam, whitish, with long straight hairs.
Hairs enlarged at base, gradually narrowing to attenuated tip, with dextrinoid reaction, largest hairs 135 x 6 (at base), smooth; asci cylindrical, clamped, with amyloid pore, 25,5 x 4 mk; paraphyses cylindrical with some enlarged upper part, with 1 septa; spores narrowly ellipsoid, some slightly curved, 7,3 (6-8,3) x 1,6 (1,4-1,7), Q=4,67 (4,11-5,36).
From pine wood among sphagnum, 28.08.2012, N61,060051° E69,459472°.
Apothecia cupulate when young, then discoid, sessile, with wavy edge when old, grayish in centre, white at the edge, hairy at the edge and at outer surface, with yellowish incrustation at the hairs, 500 - 700 mk in diam.
Hairs blunt, with abundant resinaceous incrustation (well seen at dry specimens and in water, dissolving in KOH), no reaction with MLZ, 54 (46-64) x 5 (3,8-5,8); asci clavate, with pronounced clamp, amyloid pore, 31,5 (7-38) x 4,8 (4,4-5,9) mk; paraphyses cylindrical, 1-2 septated, 32 x 1,6 mk, some shorter then asci; spores ellipsoid - subfusiform, 6,8 (6,2-7,4) x 2,3 (,1-2,5).
From pine wood among sphagnum, 06.09.2012, N61,054422° E69,456725°.
Apothecia cupulate when young, then discoid, sessile, up to 500 mk in diam, growing single or in clusters, with undulating edge when mature, white, grayish in centre, hymenium surface smooth, concave or flat, outer surface and edge densely hairy.
Largest hairs at the edge with pronounced ventrum and attenuated tip, up to 85 mk long, 8 mk broad at base, no reaction with MLZ; asci clavate, clampless, 52 (44-60) x 7,5 (7-8,2) mk; spores ellipsoid-cylindrical, with several round guttules, 10,3 (8,4-13,2) x 2,7 (2,4-3); paraphyses filiform, 1,2 mk broad, rarely branched, septate.
