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Thelephora extendens Kõljalg, I. Saar & Svantesson

Syn.: Tomentella radiosa (P. Karst.) Rick. 1934

= Thelephora terrestris f. resupinata ss. auct.

Basidiome: adherent, felty to partly crust-like
Hymenophore: warty, rarely smooth, deer to pink-brownish
Margin: usually lighter than the hymenophore, often byssoid to fringed
Rhizomorphs: partially present in the substrate
Substrate: same color as or lighter than the hymenophore, white to yellowish

Subicular hyphae: hyaline to brownish, with clamps, somewhat thick-walled, not incrusted, 3-6 µm wide
Subhymenial hyphae: hyaline to brownish, with clamps, partially swollen and short-celled, with clamps, thin-walled, not incrusted, 3-6(8) µm wide
Rhizomorphs: monomitic, formed from hyaline to brownish hyphae with clamps, thin-walled, 3-5 µm wide
Cystidia: absent
Basidia: hyaline, rarely cyanescent, with a basal clamp
Spores: pale brownish, frontally triangular, partially lobed, laterally irregularly elliptical, partially lobed, almost all spores with oil droplets, 7.5-9 x 6-8 µm, ornaments coarsely warty and partially bifurcated, up to 0.8 µm long
Distribution: worldwide in temperate to subtropical regions, one of the three most common species in Germany

Zeichnung: H. Maser                                             Foto: Hans Bender