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Polydesmia pruinosa - ( Kernzwamknopje - dutch)
polydesmia pruinosa
51.4427, 6.06087
Field Notes
Description:
Cushion-shaped, whitish, downy discomycetes on pyrenomycetes (or wood) or lichens with protruding, apically richly brached paraphyses and large, finally 3-septate spores
( http://www.mycokey.com/MycoKeySolidState/species/Polydesmia_pruinosa.ht… )
Habitat:
Polydesmia pruinosa (Jerdon) Boud. Figs 1, 5, 6
Apothecia developing in 10-13 weeks (15 °C, n-UV 12 h rythm), white, circular; disc convex, 0.2-0.75 mm diam, pruinose. Excipulum hyaline, composed of textura angularis, ectal and medullary tissues not well-differentiated, sometimes conidiophores also present on ascoma. Hairs undifferentiated, present as undulating hyphal projections on the surface of the receptacle. Asci 8-spored, cylindrical-clavate, apex conical-rounded, the apical apparatus blueing in iodine (IKI, Mlz), arising from croziers, 85-125 x 9-12.5 µm; ascospores inaequilateral, ellipsoid-fusoid, (1-)3-septate, 13-19 x 4-5 µm ( http://www.mycobank.org/MycoTaxo.aspx?Link=T&Rec=119396 )
Notes:
( http://mushroomobserver.org/obs/67870 ), ( http://www.soortenbank.nl/soorten.php?soortengroep=paddenstoelen&id=188 )
--the polydesmia pruinosa is sitting on "hypoxylon multiforme" !!--
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