07-06-2025 15:39
Edvin Johannesen
A friend sent me a few Betula seeds with tiny blac
04-06-2025 15:10
Stefan JakobssonHi forum, On a herbaceous stem, possibly Aegopodi
03-06-2025 20:52
Stefan BlaserHello everybody, I didn't get anywhere with this
20-05-2025 22:15
Francois Guay
I found this ascomycete at the base of a dead fern
30-05-2025 17:54
Louis DENYHello forum!Touvé près de Belfort, altitude 350m
31-05-2025 00:51
Ethan CrensonHello, Last week in New York City this Orbilia wa
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.
