Rhizochaete radicata (Henn.) Gresl., Nakasone & Rajchenb., (a resupinate fungus)


5 Oct 2002 at OSGR: SU56 in Berks, England

Record Summaryresupinate covering base of Oak stump
Found asFruitbody
Date5 October 2002
Associated organismQuercus
OS grid refOSGR: SU56
Lat/Lon51° 30’ N, 1° 10’ W
Vice CountyBerks, VC no: 22
CountryEngland
Voucher5 Oct 2002[E]
(Please quote this in any queries about this record)

Notes:

Abundant resupinate growth, growing completely round the stump and overgrowing mosses etc., but without pilei or pores; found after a very dry spell.

Margin: velvety, in places weakly fringed with tiny rhizomorphs, concolourous.

When kept in a box for a few days it developed tiny white marginal rhizomorphs.

Setae absent. Hymenium absent.

KOH: purple.

Hyphae: with rusty orange encrustation which dissolves completely in 10% ammonia.

A further collection from the same stump (Aug 03) dropped spores, but these were apparently from a contaminant or parasite:

Spore print: almost white, non-amyloid.

Spores: ovoid, 13-18/10.25-15µm, with large apiculus.

Hyphae probably not clamped.

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