Pholiota tuberculosa (NL: Oranjegele bundelzwam / EN: Pholiota tuberculosa / DE: Knolliger Schüppling / FR: Pholiote tuberculeuse) is an inedible fungus in the Strophariaceae family. The cap is 2–5cm across, subglobose becoming convex to flattened, sulphur yellow to orange covered in small rusty flattened scales. Stem 30–60 x 3–10mm, yellow and smooth above the shortlived ring, flaky below and becoming brownish towards the swollen base. Flesh yellow, becoming reddish-brown on cutting. Taste bitter, smell slight and mushroomy. Gills pale yellow becoming spotted rusty-brown. Cheilocystidia thin-walled, hyaline, cylindric-clavate or capitate. Spore print rusty-brown. Spores kidney-shaped, smooth, 6.5–9 x 4–5um. Habitat on fallen twigs, branches and sawdust. Microscopic determination is required to distinguish this species from some look-alikes.
Image: Schoten (BE) - 09/10/2012
© Johan Dierckx
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