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Cerioporus varius

elegant polypore

Cerioporus varius — 2026-07-25
Scientific identification
Cerioporus varius (Pers.) Zmitr. & Kovalenko
Family
Polyporaceae
Class
Agaricomycetes
Genus
Cerioporus

Names across languages

  • English: elegant polypore
  • German: Löwengelber Porling
  • Finnish: Mustasukkakääpä
  • Estonian: Kännu-soomustorik
  • Russian: Цериопорус изменчивый

The scientific profile

From the latest record: 2026-07-25.

Hymenium

Pores angular, whitish to pale grey when young, becoming dingy brownish with age; sometimes bruising faintly brown; approximately 3–5 pores per mm

Cap

Plane-convex to flat, later centrally depressed with an uplifted margin; round to kidney-shaped; dry, smooth or finely radially fibrillose; dull yellow to pale tan, often radially streaked

Hymenium Attachment

Decurrent

Stipe

Central, eccentric or lateral, short and tough; pale near apex, becoming dark brown to black and finely velvety from the base upward

Spore print

Spore print white

Ecology

Saprobic, causing white rot on decaying hardwood sticks, fallen branches and small barkless logs; solitary or scattered; late spring to autumn

Ecology

Inedible, too tough, leathery and woody

Fruit body

Fruit body medium; stipe ~1–3 cm long and ~0.2–0.7 cm thick

Dimensions

Cap ∅ ~2–7 cm

Flesh

Flesh whitish to dull yellowish, thin, very tough

Chemical reactions

KOH brownish-orange on cap surface and flesh

Odour

Fragrant

Taste

Indistinct

Microscopy

Spores cylindrical, smooth, hyaline, inamyloid, ~6–10 × 2–3 µm; basidia 4-sterigmate; true cystidia absent, lageniform cystidioles present; hyphal system dimitic with clamped generative hyphae and thick-walled skeletal hyphae

Overview

Small pale stemmed polypore on dead hardwood, with radially streaked tan cap, decurrent whitish pores, stipe that progressively blackens upward from the base

1871). Führ. Pilzk. (Zerbst): 108.

Field encounters

25/Jul/2026 🎂, 6:11 PM

Toosikannu, Jõeküla, Järva, Eesti

Mixed primeval forest (Spruce, Pine, Alder, Birch), on dead mossy hardwood stump

58°48'10.4"N 25°03'05.3"E

🌡️ 20°C ☁️ Dark clouds before rain 💨 Wind 200° SSW->NNE, 19 km/h

Original Instagram post

Source hashtags

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