BioImages: The Virtual Field-Guide (UK)

Ischnoderma resinosum (Schrad.) P. Karst. (a bracket fungus)

Warning Identification questionable
Date 13 November 2004
OS grid ref SU76
Lat/Lon 51° 20' N, 0° 50' W
Location Vice County: Berks, VC22, England
Voucher 13/11/2004[A]
(Please quote this in any queries about this record)
Stage or state Fruitbody
Record Summary Young fruitbodies, in tiers, on dead, fallen, decorticate Chestnut log
Associated organism: in tiers on dead, fallen, decorticate log of Castanea sativa
Identification Notes: Cap cuticle with black resinous patches in older parts.
Pores collapsing on drying in places.
Form with very short spores.
Dried context white, with blue tinge when cut!
Spore print: white.
Spores: hyaline, narrowly ellipsoid, 4-5/2.5µm. No reaction in Melzer's.
Cuticle of thick-walled, clamped, repent, hyphae 4-5µm diam.
Context of narrow, thin-walled, clamped hyphae, swelling to 2.5-5µm diam in 10% KOH.
Trama of thin-walled clamped hyphae, c.1.5µm diam.

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