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Thelephora galzinii (Bourd.) Kõljalg, I. Saar & Svantesson 2024

Syn.: Tomentella galzinii Bourd. 1924

Basidiome: adherent, mold-like
Hymenophore: smooth to granular, gray-green to olive-brownish
Margin: same color as the hymenophore, inconspicuous
Rhizomorphs: absent or rarely present near the substratum
Subiculum: same color as the hymenophore, very thin and sometimes absent

Subicular hyphae: hyaline, with clamps, thin-walled, not encrusted, 2.5-4 µm wide
Subhymenial hyphae: hyaline, with clamps, thin-walled, not encrusted, 3-5 µm wide
Cystidia: hyaline, apically narrowed and partially encrusted, up to 70 µm long, partly also arising from the rhizomorphs

Basidia: hyaline, with basal clamp
Spores: brownish, irregularly rounded to elliptical in both frontal and lateral view, often lobed, 7-8.5 µm, spines up to 2 µm long

Distribution: worldwide in temperate to subtropical regions, considered a rare species in Germany
Note: The very similar Thelephora subtestacea has a brown hymenophore, more heavily encrusted cystidia, and always individual reddish-brown colored spores.