Observation 103028: Pluteus Fr.
When: 2012-07-26
No herbarium specimen

Notes: growing in the garden, large mushrooms (5-6 inches tall), heavy, thick stalk, mostly grey, slightly reddish cap

Proposed Names

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no microscope
By: Cory Zanker (cz27)
2012-07-27 17:18:08 PDT (-0700)

at my house, but i’ll try to pick some more and get a spore print this weekend.

There are a few things you may look at.
By: Dave W (Dave W)
2012-07-27 05:16:31 PDT (-0700)

From the photos, it looks like the gills could be completely free of the stipe… but I can’t quite see this. Free gills would support the Pluteus proposal. If additionally the spore print is pink then the combination of these two features would increase confidence. Lastly, if you could look at the spores under a scope, then if the spores are round your mushrooms would very likely be a species of Pluteus.

Gills partly (or wholly) attached to the stipe and a white spore print would point toward Megacollybia.

Gills attached, even if by only a tapered thread, and pink spore print would point toward Entoloma, or one of the related genera. Spores for Entoloma should be angular… that is jagged, or polygonal. These don’t really look like Entoloma to me.

thanks, it’s possible
By: Cory Zanker (cz27)
2012-07-26 21:02:00 PDT (-0700)

as it turns out i am red/green colorblind so the reddish tint (which was ever so slight) could be more of a brown if my eyes have deceived me.

there are one or two tall oaks growing around the garden, and the area is heavily mulched.

not sure if this is helpful, but some other types i’ve found growing here include inocybes, agrocybes, boletus, bolbitius, parasolas, pezizaceae, and coprinellus. (it’s a real fungal hotspot)

these grew in the same area last week, could be the same species: http://500px.com/photo/9918401

When S. rugosoannulata is very young…
By: Dave W (Dave W)
2012-07-26 18:54:47 PDT (-0700)

the gills can be pale. But in this stage, the gills should be closely and neatly packed together. And, there should be either a partial veil covering the young gills, or the resulting ring on the stipe.

I would propose “Megacollybia rodmanii” except the description mentions reddish tint on the cap, and the garden habitat seems wrong for M. rodmanii. Cory, is there any chance these mushrooms may have been growing from old buried tree roots?

Created: 2012-07-26 18:23:49 PDT (-0700)
Last modified: 2012-08-03 20:50:17 PDT (-0700)
Viewed: 93 times, last viewed: 2016-10-26 00:33:35 PDT (-0700)
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