Mushroom Observer
Catalog #: MUOB 1081
Taxon: Lepiota sequoiarum Murrill
Family: Agaricaceae
Collector: Douglas Smith   MUOB 1081   
Date: 2006-11-25
Verbatim Date: 2006-11-25
Locality: United States, California, Palo Alto, Los Trancos Preserve
37.3302  -122.18
Elevation: 540-670 meters (1771-2198ft)
Description: Original observation #1081 (Mushroom Observer)
Occurrence Remarks: Some notes were sent into me by Dr. Else C. Vellinga: ---------------------------- Your picture of Lepiota seminuda in fact is a species in the L. sequioarum complex. Cystolepiota seminuda is small (caps up to half an inch, more or less), with a rounded cap and a fine granulose covering, which in young fruitbodies hangs down the cap margin in triangular teeth. The stipe is thin, also finely powdery, with a wine-red tinge to it under the cover. A ring is not really present, there may be traces left on the stipe where the cap broke off from the stipe Your specimen here is bigger, with a flatter cap, radially fibrillose silky, with a prominent ring on the stipe (and lots of microscopic characters which also distinguish it from C. seminuda). Unfortunately, what has been called L. sequoiarum here is in fact a complex of 5 or 6 different species. I'm in the midst of figuring it all out. ----------------------------- So, thanks to Else, and what do you know?
Specimen Images
Rights Holder: MO Observers
Record Id: a0ef9b20-69da-4577-bd7f-d3b2d53bcd1e
For additional information on this occurrence, please contact: Nathan Wilson (
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