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Chlorociboria sp.
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Subdivision: Pezizomycotina
Class: Leotiomycetes
Order: Helotiales
Family: Helotiaceae
Genus: Chlorociboria
Seaver ex Ramamurthi, Korf & L.R. Batra
Type species
Chlorociboria aeruginosa
(Oeder) Seaver ex C.S. Ramamurthi

17, see text

Chlorociboria is a genus of fungi within the subphylum Pezizomycetes. The genus includes 17 species.[1]

Two common temperate zone species, Chlorociboria aeruginascens and Chlorociboria aeruginosa, can only reliably be distinguished by microscopic examination. Chlorociboria aeruginosa has larger spores (9–15 µm × 1.5–2.5 µm) and the worm-like cells of the outer surface are rough, unlike the commoner C. aeruginascens, of which the spores are 6–10 µm × 1.5–2 µm.

The hyphae and fruiting bodies of all species make xylindein, a secondary metabolite that stains the substrate wood blue-green, with "green oak" being a valued commodity in woodworking. The blue-green pigmented wood is featured in "Tunbridge ware."


Blue-green stain is evident year-round, with ascocarp production occurring from summer to fall.


See also[edit]


  1. ^ Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi (10th ed.). Wallingford: CABI. p. 137. ISBN 0-85199-826-7. 

External links[edit]