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Thank you very much, Noah. Your info is helpful though I’m not sure how to interpret it: as an indication that my collection is closer to overholtsii or the opposite. :) Will find out one day. Maybe when I get some of your material and do the microscopy.
I would appreciate if you could check the gills.
Yes, overholtsii is so distinctive that even though I’ve seen it only once and in a rather poor shape (Observation 71853), I believe I would recognize it. My problem is that what I’ve found (twice) does not look like a typical overholtsii: not as big and hairy-stemmed as described, not “at high altitudes near melting snow”, gills definitely not tender, cheilocystidia twice as wide and sterigmata almost twice as long, hyphae of the pp not embedded in gelatinous matter.
I will perform your experiment as well, once I hit the snow melt zones.
Of course, overholtsii is distinctive enough even w/out that peculiar gill trait.
The gills are rubbery/toughish. But I haven’t tried pulling them with forceps. I see it often and will try pulling one apart next time I see it and let you know what happens.
I have plenty of specimens and will get some to you.
Do you remember if the gills were tough or not? I don’t have the original article (Smith & Solheim); Maas Geesteranus (who didn’t see fresh overholtsii) described the gills as “tender”, and Brian Perry in his MSc thesis does not have a note on gill consistency.
My mystery Mycena in Observation 130247 appears similar to overholtsii, but has so unusually elastic/tough gills that’s hard to believe to remain unnoticed by anyone who tried to examine it. From my obs: “It is virtually impossible to remove a gill from the cap with forceps. If you pull it, you will separate it and the adjacent gills from the cap. There are only three specimens so I didn’t want to do this experiment, but it seems that if you took a half of the cap, you could remove the whole hymenial layer (all gills there) and spread it out flat.”
I would like to look in detail at this collection. Is it possible to obtain a sample?
Created: 2013-04-15 19:17:04 MDT (-0600)
Last modified: 2013-04-15 19:17:06 MDT (-0600)
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