30-03-2026 12:03
William Slosse
Hello all,On 27/03/26, in Kraaiveld in Wingene (Be
25-03-2026 10:35
Hulda Caroline HolteHello,I collected this species growing on a dead b
30-03-2026 09:53
Yanick BOULANGERBonjourVoici des petites fructifications poilues s
27-03-2026 10:47
Ã…ge OterhalsI have tentatively identified this Stictis to S. f
28-03-2026 07:55
Marc Detollenaere
Hello everybody,Yesterday I found a number of whit
26-03-2026 15:31
Ã…ke Widgren
Hello,I found this one in October last year, on r
27-03-2026 15:23
Gernot FriebesHi,this Trichopezizella deviates from typical T. b
27-03-2026 15:08
Gernot FriebesHi,I'm looking for help with this coelomycete on C
I found this 0.5 cm truffle on a stream bed.
Trees in the area are larch, Scots pine, oak and beech.
Half in the ground and half out of the ground in the Netherlands.Â
Ascoma: globose to slightly flattened, black. Surface covered with low warts
Peridium black, with narrow warty cortex.
Gleba hyaline composed of a gelatinous matrix of small globular cells, with yellow veins radiating
Asci: 140-160 mu x 40mu. 8 spores in the asci.Â
Spores: 17-22 mu with ornamentation.
Ornamentation 3-4 mu.
Sincerely,
Ronald Morsink
Truffel7-2--0001.png
a Pachyphloeus for sure. I find the key, description and fotos in Montecchi & Sarasini often not fitting collections in a satisfying way. Unfortunately, no modern key seems to be available (?).
Yours, Lothar
Thank you for your comment.Â
In the book Nordic macromycetes Vol1 Ascomycetes there is a key with 3 species:
P. conglomeratus, P. citrinus and P. melanoxanthus.
P. melanoxanthus comes closest to the description and findings.
Here an atricle about Pachyphloeus melanoxanthus:
 https://reader.elsevier.com/reader/sd/pii/S1468164113000248?token=5D03AC4DB6330529265E7158848EA522CDF4D21C22A10B743AF2853084A655BAE24186BA101056186A9BE6CF78758785&originRegion=eu-west-1&originCreation=20221022183539
but i'm not sureÂ
Regards,Â
Ronald.Â
The ripe spores are brownish.Â
Regards,Â
Ronald.
