How to identify The Miller

To correctly identify The Miller (Clitopilus prunulus), 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 initially convex, becoming flattened with age. It is typically white to pale grey or tan, with a dry, velvety surface. The cap margin is often inrolled when young.

2. 2

   Gills

   Attachment to stem, color, and spacing.

   The gills are decurrent, meaning they run down the stem. They are initially white, becoming pinkish as the spores mature.

3. 3

   Stem

   Length, shape, surface, and any ring.

   The stem is short and stout, typically white to pale grey, and may be slightly hairy.

4. 4

   Flesh

   Color, texture, and bruising reaction.

   The flesh is white and firm, with a flour-like odor and taste.

5. 5

   Fruiting body

   Overall growth pattern.

   The fruiting body is medium-sized, with a cap diameter typically ranging from 4 to 10 cm.

6. 6

   Habitat

   Where it grows and on what substrate.

   Found in deciduous and coniferous woods, often near beech trees. Fruits from late summer to autumn.

Key Facts

Cap surfaces

Dry, velvety

Growth Form

Solitary or in small groups

Spore Print

Pinkish

Body color

White to pale grey or tan

Odor

Distinct flour-like odor

Flesh bruises

Does not typically bruise

Height

3-7 cm

Cap Diameter

4-10 cm

Fruit body characteristics

• Gill attachment: Decurrent
• Stem shape: Cylindrical or tapering downwards
• Stem surface: Smooth or slightly hairy
• Ring: Absent
• Stem cross-section: Solid

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