How to identify Green-cracking Russula

To correctly identify Green-cracking Russula (Russula virescens), 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, later flattening out and sometimes becoming slightly depressed in the center. The color is typically pale greenish to grayish-green, often with patches of darker green. A key characteristic is the cracked or broken surface of the cap, which gives it a distinctive appearance.

2. 2

   Gills

   Attachment to stem, color, and spacing.

   The gills are adnexed to slightly decurrent, close together, and white to cream-colored. They are brittle and may exude droplets when young.

3. 3

   Stem

   Length, shape, surface, and any ring.

   The stem is typically white, stout, and cylindrical, often tapering slightly towards the base. It is firm and can be slightly wrinkled or ridged.

4. 4

   Flesh

   Color, texture, and bruising reaction.

   The flesh is white and firm, with a mild, nutty taste. It does not typically change color when cut or bruised.

5. 5

   Fruiting body

   Overall growth pattern.

   The fruiting body of Russula virescens is typically medium to large in size, with a cap that can reach up to 15 cm in diameter. The overall appearance is robust and fleshy.

6. 6

   Habitat

   Where it grows and on what substrate.

   Russula virescens is found in deciduous and mixed forests, often under oak or beech trees. It is a mycorrhizal fungus, forming a symbiotic relationship with the roots of trees.

Key Facts

Cap surfaces

Cracked, greenish to grayish-green

Growth Form

Solitary or scattered

Spore Print

White to cream

Body color

White

Odor

Mild, nutty

Flesh bruises

No color change

Height

5-10 cm

Cap Diameter

5-15 cm

Fruit body characteristics

• Gill attachment: Adnexed to slightly decurrent
• Stem shape: Cylindrical, tapering slightly towards the base
• Stem surface: Smooth to slightly wrinkled
• Ring: Absent
• Stem cross-section: Solid

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