How to identify Peppery Milkcap

To correctly identify Peppery Milkcap (Lactifluus piperatus), 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.

   Initially convex, soon becoming depressed or funnel-shaped, 5–15 cm in diameter, surface smooth, dry, and white.

2. 2

   Gills

   Attachment to stem, color, and spacing.

   Crowded, narrow, decurrent, pale cream to white, often forking near the stem.

3. 3

   Stem

   Length, shape, surface, and any ring.

   Short, thick, cylindrical, 3–8 cm tall, solid and concolorous with the cap.

4. 4

   Flesh

   Color, texture, and bruising reaction.

   Thick, white, firm, and releases a copious amount of thick white latex that is extremely acrid.

5. 5

   Fruiting body

   Overall growth pattern.

   Solid, firm, and white throughout, turning slightly yellowish with age.

6. 6

   Habitat

   Where it grows and on what substrate.

   Mycorrhizal with broadleaved trees, particularly oak and beech, often in groups or fairy rings.

Key Facts

Cap surfaces

Smooth, dry, white

Growth Form

Solitary or clustered in troops

Spore Print

White

Body color

White

Odor

Faintly pleasant to absent

Flesh bruises

Little to no color change, sometimes yellowing

Height

5-10 cm

Cap Diameter

5-15 cm

Fruit body characteristics

• Gill attachment: Decurrent
• Stem shape: Cylindrical and stout
• Stem surface: Smooth and dry
• Ring: Absent
• Stem cross-section: Solid

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