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Green Stain Fungus (Chlorociboria aeruginascens)

Green Stain Fungus

Safe

Chlorociboria aeruginascens

Also known as: Green Elfcup

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Description

Chlorociboria aeruginascens is a saprobic fungus that causes green staining of wood. The small, cup-shaped apothecia (fruiting bodies) are typically found on decaying branches, often in damp woodland environments. The green color is due to the pigment xylindein.

How to Identify

Cap
Small, cup-shaped apothecium, typically 0.2-0.5 cm in diameter. Bright green color.
Gills
Absent (Apothecium)
Stem
Short, stubby stem may be present, but often the apothecia are sessile (directly attached to the substrate).
Flesh
Thin, green.
Fruiting body
Small, cup-shaped, bright green.
Habitat
Decaying wood, especially in damp woodlands.

Key Facts

  • Cap surfaces: Smooth
  • Growth Form: Cup-shaped apothecium
  • Spore Print: Pale greenish
  • Body color: Bright green
  • Odor: Not distinctive
  • Flesh bruises: N/A
  • Height: Very short, typically less than 0.5 cm
  • Cap Diameter: 0.2-0.5 cm
  • Nutrient gathering: Saprobic

Safe

Safe

Not considered toxic, but not typically consumed due to its small size and habitat.

Quick Check

  • Odor: Not distinctive
  • Fruiting: Small, green cup-shaped apothecia
  • Substrate: Decaying wood

Where to Find

Woodland areas

Decaying branches in damp woodlands.

Finding Tips

Visual Inspection

Look for small, bright green cup-shaped fungi on fallen branches.

Examine Wood

Check for green-stained wood, which indicates the presence of the fungus even if fruiting bodies are not visible.

Similar Species

Other small, green cup fungi (rare)

Mushroom

Also known as: None

Scientific Classification

Phylum
Ascomycota
Class
Leotiomycetes
Order
Leotiales
Family
Chlorociboriaceae
Genus
Chlorociboria

Storage Information

  • Max Temperature: N/A
  • Freezing duration: N/A
  • Min Temperature: N/A
  • Refrigeration: N/A

How to Clean

Not typically consumed.

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