Observation 29891: Amanita sponsus Tulloss et al. nom. prov.


[admin – Sat Aug 14 02:03:11 +0000 2010]: Changed location name from ‘MSSF Fungus Fair 2009’ to ‘MSSF Fungus Fair, San Francisco, California, USA


non-appendiculate margin, apical membranous partial veil, small size, smooth, spindle-shaped bulb.
gill smash mount. mature spores (at least, the largest I could find) in Meltzers, 1000×. prominant hilar appendage, amyloid.
immature spores 1000×.

Proposed Names

29% (1)
Recognized by sight: no appendiculate margin to cap; membranous partial veil. slightly reddening when bruised. this is the same mushroom identified as Amanita cokeri at the MSSF Fair.
29% (1)
Recognized by sight: same amanita as DNA determined section Validae with an affinity to Amanita brunnescens.
57% (1)
Eye3 Eyes3
Recognized by sight: Validae that browns not reddens
Based on microscopic features: ellipsoid spores

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Very interesting…and with ellipsoid spores apparently.
By: R. E. Tulloss (ret)
2014-05-12 01:59:47 CEST (+0200)


Created: 2009-12-09 01:42:15 CET (+0100)
Last modified: 2018-01-05 23:54:51 CET (+0100)
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