Observation 223440: Humaria hemisphaerica (F.H. Wigg.) Fuckel

When: 2015-11-16

Collection location: Big Lagoon, California, USA [Click for map]

Who: Ron Pastorino (Ronpast)

Specimen available

Spore print white.
Spores ~ 23.7-26.6 X 12.0-14.7 microns.

Species Lists


Spores in KOH + Congo red @ 1000X.

Proposed Names

28% (1)
Recognized by sight: I have heard that there are a few species which look like this in Humaria
Based on microscopic features: Spores both longer and wider than described for H. hemisphaerica

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Thanks Judi, this is only the
By: Ron Pastorino (Ronpast)
2015-11-20 13:01:30 PST (-0800)

second time I’ve seen this species and the first was a single fruit-body earlier this month.
But I have to give Noah Siegel credit for first spotting this group.

Ron, that’s an incredible photo! Super find.
By: Judi T. (AvidAmateur)
2015-11-20 12:16:16 PST (-0800)
Alan, they fit well with the description
By: Ron Pastorino (Ronpast)
2015-11-20 11:34:07 PST (-0800)

for Humaria hemisphaerica the new Ascomycete Fungi of North America by Bueg et.al. :
“spores 22-27 X 10-13 um, broadly elliptic, finely to coarsely verrucose, biguttulate…”.
Also Roger Phillips is more broad in his description of the spores…http://www.rogersmushrooms.com/...

Created: 2015-11-20 10:10:49 PST (-0800)
Last modified: 2015-11-20 11:12:57 PST (-0800)
Viewed: 88 times, last viewed: 2018-03-03 13:27:43 PST (-0800)
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