Observation 191300: Porodaedalea pini (Brot.) Murrill
When: 2014-12-01

Notes: Growing on a standing but dying, small Doug fir (I think).
Single fb ~ 5 cm across, very tough and woody.
Flesh rusty to dark reddish brown.
Tubes up to 5mm long.
Spores print whitish and spores not amyloid.
Spores ~ 4.4-5.8 X 3.5-4.6 microns, subglobose to broadly ellipsoid and smooth.
Setae plentiful and ~ 50 X 9 microns.
Everything fits for P. pini(apparently large maze-like pores are OK) but the white spore print. Most references say brown spores. Did find an old description that noted spores were hyaline and turn brown in age.

Images

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Spores in Congo red + KOH @ 1000X.
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Spores in Melzers @ 1000X.
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Setae in KOH @ 1000X.
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Tube hyphae in KOH @ 1000X.

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Created: 2014-12-02 15:29:55 PST (-0800)
Last modified: 2014-12-02 15:38:26 PST (-0800)
Viewed: 17 times, last viewed: 2015-03-01 08:36:21 PST (-0800)
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