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How to Identify Wine Cap

Stropharia rugosoannulata
EDIBLE* Season // Aug-Nov Family // Strophariaceae

Description

Stropharia rugosoannulata is a robust mushroom characterized by its reddish-brown cap that can reach up to 10 cm in diameter. The stem is thick and features a distinctive, wrinkled ring, and the gills are free and densely packed, turning purple-brown as the spores mature.

Key Identification Features

Field marks recorded for this species. Work through all of them, not just one:

  • Cap reddish-brown to tan, smooth to slightly scaly
  • Thick, sturdy stem with a prominent, wrinkled ring
  • Gills free, initially white to pale, turning purple-brown
  • Spores purple-brown, elliptical
  • Flesh white, firm, with a mild taste

Specimen Profile

FamilyStrophariaceae
GenusStropharia
EdibilityEdible*
Toxicitynone
SeasonAug-Nov
HabitatGrows in wood chips, mulch, and grassy areas, often in gardens and landscaped areas.
RegionFound in North America, Europe, and parts of Asia.

Habitat & Distribution

Habitat: Grows in wood chips, mulch, and grassy areas, often in gardens and landscaped areas.

Region: Found in North America, Europe, and parts of Asia.

Seasonality

Typically fruits from late summer to fall.

Typical months: Aug-Nov

Common Lookalikes

Always verify identification to avoid these similar species. The differentiator is the point — learn the one or two tells that separate them:

Stropharia semiglobata (edible)

HOW TO TELL APART

has a more bulbous cap and lacks the prominent ring

Pholiota squarrosa (inedible)

HOW TO TELL APART

has a scaly cap and does not have a ring

Gymnopilus underwoodii (unknown)

HOW TO TELL APART

has a more conical cap and a different spore color

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Track your Wine Cap finds

Pin the patch before you leave it. Coordinates, photos, and field notes stay on your device — and the offline lookalike guide travels with you into the deep woods.

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Disclaimer: This guide is for educational purposes only. Never consume a wild mushroom unless you are 100% certain of its identification.