File:Mycena rosella 685539.jpg
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Mycena rosella (Fr.) P. Kumm. Image location: McClellan Meadows Sno-Park, Gifford Pinchot National Forest, Skamania Co., Washington, USA Found by Joe Cohen. Growing in mixed conifer forest, on a mound covered with a thin layer of duff, an area about 1 m^2. It was raining and we didn’t get any in situ photos. (And then the only one I took when we got home is out of focus!) Gill in at least some of the mushrooms were definitely reddish (pinkish-red?) marginate. Sadly, I didn’t note the odor. Basidia 4-spored ~22+4 x 8. Spores 6-7 × 3.5-4. Cheilocystidia not forming a band, 45-68 × 11-15. No pleurocystidia. Hyphae of the pileipellis covered densely with long (up to 50 microns) excrescences, 1-2 microns wide. Hyphae of the cortical layer of the stipe diverticulate, with terminal cells (see photo), but also with wildly branching excrescences (near stipe apex) 1.5-2.5 microns wide. The spores are unusually small for the section Rubromarginatae. No name I can find in the literature seems to deserve even a “could be” match. [7 Nov 2016] Brian Perry suggests this is M. rosella. And indeed, what I saw as cheilocystidia were the abundant pleurocystidia. Only now I’m seeing the real cheilocystidia; they are smaller and there is less of them visible, even though they do make a contiguous band on the gill edge. Used references: Thanks to Brian Perry for the id.
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This file, which was originally posted to
https://mushroomobserver.org/image/show_image/685539, was reviewed on 21 November 2018 by reviewer Leoboudv, who confirmed that it was available there under the stated license on that date.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 16:44, 20 November 2018 | | 4,440 × 2,628 (6.65 MB) | Strobilomyces (talk | contribs) | {{Information |Description='''''Mycena rosella''''' (Fr.) P. Kumm. Image location: McClellan Meadows Sno-Park, Gifford Pinchot National Forest, Skamania Co., Washington, USA Found by Joe Cohen. Growing in mixed conifer forest, on a mound covered with a thin layer of duff, an area about 1 m^2. It was raining and we didn’t get any in situ photos. (And then the only one I took when we got home is out of focus!) Gill in at least some of the mushrooms were definitely reddish (pinkish-red?)... |
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