Observation 154296: Phaeocollybia R. Heim

When: 2013-12-04

Collection location: Bolinas Ridge, Marin Co., California, USA [Click for map]

Who: Ron Pastorino (Ronpast)

No specimen available

Growing in hard ground near manzanita. Conditions dry.
Caps up to 3.1 cm across and stipes up to 6.0 cm long.
Spores ~ 6.2-8.3 X 5.0-5.5 cm, mostly ellipsoid.
Q(ave) = 1.46. Q(range) = 1.24-1.59.



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Very close to P. ochraceocana
By: Lorelei Norvell (Lorelei)
2016-11-25 14:21:34 PST (-0800)

Actually, these look like classic ochraceocana (distinguished from luteosquamulosa by the spore size). The lack of ‘pseudorhiza’ is probably due to the rocky substrate. “lut” and “och” do not look like most phaeos because they have three-layered pilei; the top layer is dry, and the middle layer the gelatinous one. The colors are right on.
What is NOT right on is the habitat. Again, I really would like to have a specimen to examine.


Trich vs. Phaeo
By: Christian (Christian Schwarz)
2013-12-05 18:39:41 PST (-0800)

The wax-candle looking stipe, the darker color of the gills, and definitely the spore color and shape set this apart from Tricholoma. But you can also see where the stipe base broke off (and in hard ground conditions mentioned by Ron, the radicating part would have been really difficult to excavate).

Yes Martin, they indeed don’t look
By: Ron Pastorino (Ronpast)
2013-12-05 18:37:36 PST (-0800)

like classic Phaeocollybias. They didn’t have a deep root and I’m guessing it was because of the hard rocky ground they were growing in.
However, if you look closely, they do have the cartilaginous stipes, they did have cinnamon-brown spores and the shape of the spores is pretty much text-book Phaeocollybia.

Hi Ron
By: Martin Livezey (MLivezey)
2013-12-05 18:27:22 PST (-0800)

You did not mention a root.., I guess with this ID, there must have been one. I am not questioning the ID, but doesn’t this look a lot like a Tricholoma?

Created: 2013-12-05 14:50:26 PST (-0800)
Last modified: 2013-12-05 20:46:47 PST (-0800)
Viewed: 70 times, last viewed: 2018-12-19 07:50:58 PST (-0800)
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