Observation 222194: Amanita subsect. Vittadiniae Bas
When: 2015-11-08
No herbarium specimen

Proposed Names

29% (1)
Recognized by sight
28% (1)
Used references: Melissa Palacio et al, New records of macrofungi (Basidiomycota) for Colombia from a tropical dry forest, Actu Biol vol.37 no.102 Medellín Jan./June 2015 http://www.scielo.org.co/...
47% (2)
Eye3 Eyes3
Recognized by sight

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The summary of my preceding comment had its meaning reversed by a typo.
By: R. E. Tulloss (ret)
2015-11-09 14:36:16 CST (-0500)


Many thanks, Rod
By: Susanne Sourell (suse)
2015-11-09 14:22:45 CST (-0500)
Without a herbarium specimens, I think a definitive end state to… <<EDIT
By: R. E. Tulloss (ret)
2015-11-09 07:51:44 CST (-0500)

the discussion will be hard to reach. Even in Amanita we cannot resolve if the species has clamps on its basidia or not. Since there are apparently at least two yellow taxa (one with clamps and one without) in Bas’ subsection Vittadiniae in the New World, we cannot make a determination in the present case…even if the specimen is not affected by “disease.”

Very best,


Amanita aureofloccosa <→ Lepiota sp
By: Susanne Sourell (suse)
2015-11-09 03:17:28 CST (-0500)

Could Lepiota sp. be a naming option? Such yellow/ orange droplets can be observed within this genus too.

The fact that the specimen is exuding orange droplets suggests that it is…
By: R. E. Tulloss (ret)
2015-11-08 22:10:08 CST (-0500)

exhibiting the yellowing syndrome and may not be naturally yellow.

The “yellowing syndrome” is discussed on this page:


Very best,


Created: 2015-11-08 20:43:39 CST (-0500)
Last modified: 2015-11-20 11:20:26 CST (-0500)
Viewed: 46 times, last viewed: 2016-10-22 22:32:13 CDT (-0400)
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