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Pholiota squarrosa

shaggy scalycap

Pholiota squarrosa — 2025-10-04
Scientific identification
Pholiota squarrosa (Vahl) P.Kumm.
Family
Strophariaceae
Class
Agaricomycetes
Genus
Pholiota

Names across languages

  • English: shaggy scalycap
  • German: Sparriger Schüppling
  • Finnish: Pörhösuomuhelokka
  • Estonian: Soomusmampel
  • Russian: Чешуйчатка обыкновенная

The scientific profile

From the latest record: 2025-10-04.

Hymenium

Gills, close to crowded, whitish to yellowish when young, becoming greenish-yellow then cinnamon-brown

Cap

convex to broadly convex, surface dry, yellow-ochre underneath buff to tawny, overlaid with upturned, coarse, brownish, recurved scales

Hymenium Attachment

Adnate to sinuate (not strongly decurrent)

Stipe

cylindrical, dry, yellowish and covered in tawny scales below the ring zone; bears a persistent woolly or fibrous ring formed from the partial veil

Spore print

Spore print cinnamon-rusty-brown

Ecology

Saprobic, opportunistically parasitic, clusters on living (weakened) or decaying wood, at tree bases, summer to late autumn

Edibility

Not recommended, sever cases of poisoning (with alcohol)

Fruit body

Fruit body medium, stipe 4–12 cm long, ~1.5 cm thick

Dimensions

Cap 3–12 cm diameter

Flesh

Flesh is white to pale yellow, no staining

Chemical reactions

Spores reddish-brown in KOH

Odour

Faint, radish or skunk-like

Taste

Unpleasant, radish-like

Microscopy

Spores ellipsoid, smooth, ~6–8×4–5 µm, distinct apical pore, pleurocystidia clavate to subfusiform, ~45×14 µm, cheilocystidia subfusiform to fusoid-ventricose, ~43×15 µm

Overview

Wood-decaying, scaly, medium-sized cluster mushroom with a dry, coarse-scaled cap and stem

1871). Führ. Pilzk. (Zerbst): 83.

Field encounters

04/Oct/2025, 10:33 AM

Kadrioru park, Tallinn, Harju, Eesti

Urban park, on living old willow (Salix sp.) tree, near trunk base

59°26'33.3"N 24°47'45.3"E

🌡️ 5°C ⛅ Scattered clouds 💨 Wind 130° SE->NW, 11 km/h

Original Instagram post

Source hashtags

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