06/Sep/25, 3:22 PM
Kõrveküla, Lääne-Viru, Eesti
Conifer dominant forest, near pines, sandy soil, in grass, dense bed of pine needles
59°14'06.2"N 25°39'20.6"E
🌡️ 22°C 🌤️ Scattered clouds.
Original Instagram postTricholoma terreum
grey knight
- Scientific identification
- Tricholoma terreum (Schaeff.) P.Kumm.
- Family
- Tricholomataceae
- Class
- Agaricomycetes
- Genus
- Tricholoma
Names across languages
- English: grey knight
- German: Gemeiner Erd-Ritterling
- Finnish: Harmaavalmuska
- Estonian: Maaheinik
- Russian: Рядовка землистая
The scientific profile
From the latest record: 2025-09-06.
Hymenium
Gills, moderately crowded, whitish to pale gray, becoming stained darker with age
Cap
Convex to flat, sometimes slightly depressed, covered with fine gray to dark gray fibrillose scales on a lighter gray background, margin inrolled when young, becoming wavy with age
Hymenium Attachment
Adnate to notched (sinuate)
Stipe
Cylindrical, whitish to pale gray, fibrillose, smooth to finely scaly, lighter than cap, without a ring, base slightly thickened
Spore print
Spore print white
Ecology
Ectomycorrhizal with pines, in sandy or well-drained soils, growing in large groups or troops, late summer to late autumn
Edibility
Traditionally considered edible but now discouraged (rhabdomyolysis in high consumption reported)
Fruit body
Fruit body medium-sized, stipe 4–8 cm long, 0.5–1.5 cm thick
Dimensions
Cap 3–7 cm in diameter
Flesh
Not changing color when bruised
Chemical reactions
KOH and FeSO₄ reactions negative on cap and stipe surfaces
Odour
Mild, faintly farinaceous
Taste
Slightly farinaceous
Microscopy
Ellipsoid, smooth, hyaline, inamyloid, 5–7 × 3–4.5 µm, basidia 4-spored, cystidia absent
Overview
Medium-sized grey Tricholoma with a finely fibrous-scaly cap, adnate to notched gills, and a pale fibrillose stipe
1871). Führ. Pilzk. (Zerbst): 134.
Field encounters
Source hashtags
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