06/Sep/25, 3:00 PM
Kõrveküla, Lääne-Viru, Eesti
Mixed forest, near road, on buried pine wood chips
59°14'12.4"N 25°38'59.3"E
🌡️ 22°C 🌤️ Scattered clouds.
Original Instagram postGymnopilus penetrans
common rustgill
- Scientific identification
- Gymnopilus penetrans (Fr.) Murrill
- Family
- Hymenogastraceae
- Class
- Agaricomycetes
- Genus
- Gymnopilus
Names across languages
- English: common rustgill
- German: Geflecktblättriger Flämmling
- Finnish: Kangaskarvaslakki
- Estonian: Viha tulinutt
- Russian: Гимнопил проникающий
The scientific profile
From the latest record: 2025-09-06.
Hymenium
Gills, crowded, initially pale yellow to ochre, becoming rusty orange to cinnamon-brown
Cap
Convex to broadly convex, flattening with age, surface dry to slightly fibrillose, yellowish-orange to reddish-brown, often paler toward the margin
Hymenium Attachment
Adnate to slightly decurrent
Stipe
Cylindrical, slender, yellow to orange-brown, fibrillose, often darker toward the base, without a ring or veil remnants
Spore print
Spore print rusty orange to cinnamon-brown
Ecology
Saprobic, typically on decaying conifer wood (pine chips), in groups, summer to late autumn
Edibility
Inedible, bitter taste, psilocybin (insignificant)
Fruit body
Fruit body small, stipe 3–6 cm long, 0.3–0.8 cm thick
Dimensions
Cap 2–5 cm in diameter
Chemical reactions
KOH reddish-orange on cap surface, flesh unchanging in ammonia
Odour
Mild, somewhat earthy
Taste
Bitter
Microscopy
Spores ellipsoid, roughened to verrucose, 7–9 × 4–5 µm, rusty orange in KOH, dextrinoid, basidia 4-spored, cheilocystidia clavate to lageniform
Overview
Small, orange-brown saprobic rustgill mushroom, recognized by its growth on conifer wood chips, cinnamon gills, bitter taste, and rusty orange spore print
1912). Mycologia 4(5): 254.
Field encounters
Source hashtags
#hongos #gymnopiluspenetrans #gymnopilus #commonrustgill #vihatulinutt #tulinutt #kangaskarvaslakki #geflecktblättrigerflämmling #flämmling #mushroomphoto #fungiphoto #fungimacro #naturephotography #seenefotod #pilzefotografieren #фотогрибов #sieniäkuvia #houby #mycology #fungistudy #mushroom #fungi #rustgills #woodfungi #seened #pilze
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