Common Rustgill

Gymnopilus penetrans

banner
Appears in
Mushrooms

By Roger Phillips

Published 2006

  • About

Common Rustgill Gymnopilus penetrans (Fr.) Murrill (illustrated 45% life size) Cap 3–8cm across, convex then flattened and often wavy at the margin; golden to tawny; smooth. Stem 40–70×5–10mm; yellow above, brownish below; covered in whitish fibres, base covered in white down. Flesh yellowish, tawny in stem; taste bitter, smell not distinctive. Gills slightly decurrent; gold, spotted tawny with age. Spores 8–9×4–5¼, almond-shaped, warted. Spore print rust. Cheilocystidia skittle-shaped, thin-walled, hyaline. Habitat on conifer debris; late summer to late autumn. Very common. Not edible avoid.