Collection location: Chez Viess-Rust, Oakland, California, USA [Click for map]
Attempting to get spore drop.
I have seen this species before…veil reddens, gills gray, veil clings to cap, banded stipe, close volva.
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I went back and looked a bit harder. Spores still thick walled, and inamyloid.
Under the extensive universal veil is a more typical grisette, with a gray cap and striations at the cap edge. Gills broadly free. Inamyloid spores, in combo
with macro characters, make this a vaginate amanita rather than a lepidella, despite that fluffy white UV.
Recently redried this (amanitas can absorb water from the air!); will do a section for gill trama orientation, but there is no doubt in my mind that what we have here is an unusual grisette.
Spores(from spore drop): inamyloid, thick walled, subglobose, some with oil drop.
range 9-14 × 8-12 microns
10.5 × 9.0
11 × 9
12 × 10
14 × 12
10 × 9
10 × 8
12 × 11
9 × 9
didn’t check the stipe tissue. I reviewed the type and discussed it with Else Vellinga, she agreed that it was a lepiotaceous fungus. Miller didn’t report the stipe tissue in his description. I don’t think he had examined it. I recommend never taking risks when it comes down to brass tacks. And the gill trama and the stipe tissue are the two brass-est of tacks in Amanita.
I remember the earlier photos but hadn’t associated them with the new photos at all. Wow. Refrigeration isn’t to friendly from this guy’s point of view. I’ll be interested to see her.
UV appears somewhat flocculent before it all gets beaten down with handling and age.
here’s a link to the original obs:
these are around a micron in thickness.
to my eye, it is clearly an amanita of some kind, and most likely one of the unnamed CA grisettes…do you have doubts as to the genus?
I can’t see to well in the photos. I’ll be glad to look at it myself. The mushroom itself is kind of string looking. Did it have typical amanita stipe tissue?
There are amanitas with occasional or relatively frequent spores with notably thickened walls. Normally you see both the inner and outer surfaces of the wall as very thin lines separated by a space of (more or less) about half a micron.
Have you ever seen their like in a amanita??! They are from spore-drop, I have the dessicata and I’m pretty sure that I have two more identical fruit bodies somewhere in my jumble of amanita collections…haven’t quite gotten to the stage of dedicating my garage as temperature controlled personal herbarium (like you, Rod!)
Created: 2010-01-14 15:38:39 CST (-0500)
Last modified: 2012-06-06 17:39:21 CDT (-0400)
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