How to identify Purple Brittlegill

To correctly identify Purple Brittlegill (Russula atropurpurea), check each of these features in order. Misidentification is the most common cause of mushroom poisoning, so cross-reference multiple sources.

Step-by-step identification

1. 1

   Cap

   Shape, color, surface texture, and diameter.

   The cap is typically 5-15 cm in diameter, convex when young, flattening with age, and often develops a shallow depression. The color ranges from deep purple to brownish-purple, sometimes with darker spots or blotches. The surface is smooth and slightly sticky when moist.

2. 2

   Gills

   Attachment to stem, color, and spacing.

   The gills are closely spaced, brittle, and adnate to slightly decurrent. They are typically white to cream-colored, sometimes with a yellowish tint.

3. 3

   Stem

   Length, shape, surface, and any ring.

   The stem is typically 5-10 cm long and 1-2 cm thick, cylindrical, and white to pale pink. The surface is smooth and dry.

4. 4

   Flesh

   Color, texture, and bruising reaction.

   White and brittle.

5. 5

   Fruiting body

   Overall growth pattern.

   Medium-sized mushroom with a purple to brownish-purple cap.

6. 6

   Habitat

   Where it grows and on what substrate.

   Deciduous and coniferous forests, often found under oak and beech trees.

Key Facts

Cap surfaces

Smooth, Slightly Sticky

Growth Form

Solitary or scattered

Spore Print

White to Cream

Body color

Purple, Brownish-Purple, White

Odor

Mild, sometimes slightly fruity

Flesh bruises

No bruising

Height

5-10 cm

Cap Diameter

5-15 cm

Fruit body characteristics

• Gill attachment: Adnate to slightly decurrent
• Stem shape: Cylindrical
• Stem surface: Smooth
• Ring: Absent
• Stem cross-section: Solid

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