Observation 63209: Lepiota cristata (Bolton) P. Kumm.

When: 2011-01-16

Collection location: Los Trancos Preserve, Palo Alto, California, USA [Click for map]

Who: Douglas Smith (douglas)

Specimen available

Found under live oak. C. bay.

The first micro-shot is of the gill edge at 400x in Meltzer’s. The edge is non-fertile with thick clavate cheilocystidia. No pleurocystidia were obs, and the basidia were 4-spored.

The second micro-shot is of the cap surface ata 400x in Meltzer’s. The cap surface is hymeniform, with no gelatin of pileocystidia.

The third micro-shot is of spore from the gill at 1000x in Meltzer’s. The spores are ellipsoid, hyaline, and “booted”, non-dextrinoid. The apr. ave. size is 7 × 4 um.

With the hymeniform cap surface, and the booted spores, this is Lepiota cristata.

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Proposed Names

92% (2)
Eye3 Eyes3
Recognized by sight
Used references: E. C. Vellinga, “Lepiota of CA, with hymeniform pileus”, Mycologia 102, pp664-674 (2010).
Based on microscopic features: As described in the text.
-47% (2)
Used references: Else

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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By: Christian (Christian Schwarz)
2015-03-22 11:30:22 CDT (-0400)

booted spores…

Um Alan -
By: Douglas Smith (douglas)
2011-04-06 02:29:51 CDT (-0400)

You should look up the paper maybe, but with the “booted” spores this is L. cristata. L. neophana doesn’t have the “booted” spores.

Californian version of Lepiota neophana
By: else
2011-02-07 13:39:13 CST (-0500)

more information in Mycologia 102: 664-674 (2010) and in Fungi 2 (4): 7-9. (2009)

Created: 2011-02-07 04:54:53 CST (-0500)
Last modified: 2011-04-06 03:23:39 CDT (-0400)
Viewed: 179 times, last viewed: 2017-11-26 20:53:01 CST (-0500)
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