Conifer Blueing Bracket

Postia caesia

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Mushrooms

Mushrooms

By Roger Phillips

Published 2006

Conifer Blueing Bracket Postia caesia (Schrad.) P. Karst. syn. Oligoporus caesius (Schrad.) Gilb. & Ryvarden syn. Tyromyces caesius (Schrad.) Murrill (illustrated 65% life size) Bracket 1–6cm×1–4cm across, 0.3–1cm thick, semicircular, single or in overlapping groups; whitish, grey-blue with age or where handled; upper surface covered in fine, long hairs. Tubes 0.5–4.5mm long; white, later grey-blue. Pores 3–4 per mm, circular; white at first, more grey or grey-blue with age. Spores 4–5×0.7–1.5¼, sausage-shaped; white with grey-blue tint, amyloid. Hyphal structure monomitic; generative hyphae with clamp connections and appearing glassy in KOH. Habitat on dead conifers, especially spruce; all year. Occasional. Not edible.

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