Page author: Regina Johnson
Calcipostia guttulata

Distribution: Widespread in North America.

Habitat: Coniferous forests.

Substrate: Wood.

Conservation Status: Not of concern

Identification Notes:

Soft, white fruitbody, often with shallow circular depressions on surface of cap. Effuse-reflexed or shelf-like, sometimes with short lateral stem. Dries to pale brown. Circular depressions may be filled with liquid when fresh. Pores very small, circular to angular, may have a slight greenish cast when fresh but dry to pale brown like the rest of the fruitbody. Bitter taste. Brown cubical rot on conifers, or brown butt rot on Picea.

Accepted Name:
Calcipostia guttulata (Peck) B.K. Cui, L.L. Shen & Y.C. Dai
Publication: Taxonomy and phylogeny of Postia. Multi-gene phylogeny and taxonomy of the brown-rot fungi: Postia (Polyporales, Basidiomycota) and related genera. Persoonia. 42:101-126 2018.

Synonyms & Misapplications:
Postia guttulata (Peck) J├╝lich
Additional Resources:

PNW Herbaria: Specimen records of Calcipostia guttulata in the Consortium of Pacific Northwest Herbaria database.

CalPhotos: Calcipostia guttulata photos.

2 photographs:
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