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Coprinopsis lagopus

Hare's foot Inkcap

Coprinopsis lagopus — 2026-10-11
Scientific identification
Coprinopsis lagopus (Fr.) Redhead, Vilgalys & Moncalvo
Family
Psathyrellaceae
Class
Agaricomycetes
Genus
Coprinopsis

Names across languages

  • English: Hare's foot Inkcap
  • German: Hasenpfote
  • Finnish: Jänönmustesieni
  • Estonian: Pikkjalg-tindik
  • Russian: Навозник волосистоногий

The scientific profile

From the latest record: 2026-10-11.

Hymenium

Gills crowded; white when young, becoming faintly reddish-grey, then grey-black

Cap

Ovoid when young, later conical, bell-shaped to flattened with upturned margin; grey-brown to dark grey; densely covered in ephemeral silvery-white woolly hairs when young, becoming smooth; strongly striate

Hymenium Attachment

Adnexed to free

Stipe

Slender, hollow and very fragile; white, initially covered with ephemeral white hairs, becoming smooth; ring absent

Spore print

Spore print violaceous-black to black

Ecology

Saprobic on humus-rich soil, leaf litter, decaying woody debris and woodchip mulch; solitary to densely gregarious; forests, woodland tracks and disturbed habitats; spring to late autumn

Edibility

Inedible; extremely fragile and insubstantial

Fruit body

Fruit body small; stipe ~4–10 cm long and ~0.3–0.6 cm thick

Dimensions

Cap ∅ ~1–3(–4) cm

Flesh

Whitish to greyish, extremely thin and fragile, rapidly collapsing as the gills deliquesce

Chemical reactions

No macroscopic reagents reaction

Odour

Indistinct

Taste

Indistinct

Microscopy

Spores ellipsoid to ovoid, smooth, dark, non-amyloid, ~10–14 × 6–8.5 µm, with acentral germ pore; basidia 4-spored with brachybasidia; pleurocystidia and cheilocystidia large

Overview

Woolly young inkcap rapidly transforming into a black deliquescent bowl

2001). In Redhead, Vilgalys, Moncalvo, Johnson & Hopple, Taxon 50(1): 229.

Field encounters

11/Oct/2026, 2:21 PM

Kalmuse tee, Tallinn, Harju, Eesti

Mixed forest (pine-mapple-elm-rowan), woodland track, in soil, within wood and leaves organic remains

59°27'59.4"N 24°50'49.7"E

🌡️ 11°C ☁️ Overcast 💨 Wind 120° ESE->WNW, 13 km/h

Original Instagram post

Source hashtags

#coprinopsislagopus #mushroomphotos #fungimacro #inkcaps #naturephotography

Back to the collection · Photography and field notes by @fungarium.info