Observation 131983: Panaeolus (Fr.) Quél.

When: 2013-04-16

Collection location: Gainesville, Florida, USA [Click for map]

Who: Richard Kneal (bloodworm)

No specimen available

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Proposed Names

27% (3)
Recognized by sight: The species concept of Agaricus (Panaeolus) cinctulus is based on a drawing made by Bolton in 1791. No type collection exists. Since it is not possible to know whether Bolton’s species was Panaeolus subbalteatus, P. olivaceus or P. fimicola, I consider Panaeolus cinctulus to be a nomen dubium.
Based on microscopic features: The gill faces need to be checked for sulphidia; the presence of these would indicate that it is probably Panaeolus fimicola.
83% (1)
Recognized by sight: Micro is needed to determine species, P. subbalteatus has a garbage description which is impossible to tell is even Panaeolus and a really old type collection no one has even looked at while P. cinctulus has a very clear epitype and somewhat clear old drawing.

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Comments

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Light stem
By: Byrain
2014-02-06 11:02:38 CST (-0600)

Could point to another species, P. cinctulus has a darker, redder stem. In its faded state, its pretty impossible to tell without micro, this might even be more true for FL?

thanks Alan…
By: Richard Kneal (bloodworm)
2014-02-06 10:40:33 CST (-0600)

i missed that comment originally.
this/these is/are currently deposited in the UF herbarium.

Created: 2013-04-16 10:24:10 CDT (-0500)
Last modified: 2014-02-06 10:52:41 CST (-0600)
Viewed: 63 times, last viewed: 2017-11-20 21:16:50 CST (-0600)
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