Chlorociboria aeruginosa (Pers. per Pers.: Fr.) Seaver ex Ramamurthi, Korf & L.R. Batra
no common name
Chlorociboriaceae

Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.

Introduction to the Macrofungi

Photograph

© Rosemary Jorna     (Photo ID #76534)


Map

E-Flora BC Static Map

Distribution of Chlorociboria aeruginosa
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Species Information

Summary:
Features include a blue green fruitbody on wood with a central to slightly off-center stem and microscopic characters including granularly roughened tomentum hyphae. (The close relative C. aeruginascens has off-center stem, smaller spores and smooth tomentum hyphae). Blue-green staining of wood is more commonly seen than the fruitbodies. The description is derived from Dixon except where specified.
Microscopic:
spores (8)9-14(15) x 2-4 microns (average 13 x 3 microns), fusiform-elliptic, colorless or with light green contents, unicellular to submedian 1-septate, with 2 prominent droplets and/or with several smaller droplets, irregularly biseriate, spores often germinating in the ascus by unipolar or bipolar germ tubes, with occasional round to nearly round microconidia 1.0-2.5 microns in diameter "being produced at the ends of the germ tube and floating free in the mounting media"; asci 8-spored, (57)68-80(95) x (4)5-7(7.5) microns; paraphyses scarcely extending beyond asci, (1)1.5(2) microns wide, filiform, blunt at tip, colorless, septate, branching near base; ectal excipulum gives rise "to few to numerous, straight or coiled, strongly granularly roughened tomentum hyphae" (if tomentum seems absent, check the margin of the fruitbody), (Dixon), spores 9-14 x 2-4 microns (Trudell)
Notes:
Collections were examined from WA, OR, ID, and also PQ, CA, IN, MI, MN, NH, NY, OH, PA, WY, Costa Rica, Jamaica, Mexico, Panama, Argentina, Brazil, Venezuela, Ukraine, United Kingdom, China, India, Japan, Philippines, and Russia, (Dixon). B. Callan has determined collections from BC of both Chlorociboria aeruginosa and C. aeruginascens deposited at the Pacific Forestry Centre.

Habitat and Range

SIMILAR SPECIES
Chlorociboria aeruginascens has a stem that is usually off-center (infrequently central), whereas the stem of Chlorociboria aeruginosa is usually central (rarely off-center). C. aeruginascens often has several fruitbodies arising from each darkly pigmented irregularly shaped fundament or "stromatic mass", whereas C. aeruginosa arises singly from scarcely differentiated stromatic mass. Spores of C. aeruginascens are 5-7(10) x 1.0-1.5(2.4) microns, asci are (40)50-65(75) x 3-4(5) microns and the ectal excipulum gives rise "to few to numerous, coiled or sometimes straight, smooth-walled tomentum hyphae". (Dixon, who also describes interior stem flesh as orange yellow in C. aeruginosa and bluish aeruginous in C. aeruginascens). C. aeruginascens has larger fruitbodies up to 0.7cm (as opposed to less than 0.5cm), several often arising from a common base instead of arising singly, flesh that is the same color as the exterior instead of yellow-orange, and small spores 5-8 x 1-2 microns, (Trudell).
Habitat
single to gregarious on decayed and barkless wood; spring, summer, and fall