Observation 69351: Stereum hirsutum (Willd.) Pers.
When: 2010-02-04
No herbarium specimen

Notes: Found on dead wood during a winter walk.

Proposed Names

31% (2)
Recognized by sight
61% (2)
Recognized by sight: I think I can see some tiny hairs on the cap surface in the lower left

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Stereum ostrea
By: Andreas (AK_CCM)
2011-06-16 23:06:07 PDT (-0700)

Perhaps it could be Stereum ostrea. The cinnamon- to tobaco colored fruitbodies of this species grow up in several meters long rows with up to 10 cm protruding pilei and usually tapering or like a stipe formed bases. The surface is fine rusty tomentose, distinctly zoned and in bands glabrous. At the base the color changes to dark olive-brown. The smooth hymenium is more cream pale ochre like St. subtomentosum – do you have an additional photo of the underside? The fruitbodies are showing a whitish margin and brownish colors at the base. The safest characteristic to identify that species are the small and slender Pseudoacanthohyphidia in the hymenium. They could be coloured with Melzer’s reagent. Regards, Andreas

Created: 2011-06-16 17:13:58 PDT (-0700)
Last modified: 2011-06-16 23:05:30 PDT (-0700)
Viewed: 48 times, last viewed: 2016-10-22 23:29:07 PDT (-0700)
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