Observation 213483: Placynthium nigrum (Hudson) Gray

Proposed Names

-28% (2)
Recognized by sight
31% (3)
Recognized by sight
84% (3)
Eye3 Eyes3
Recognized by sight

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Eye3 = Observer’s choice
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Uf … what a relief!
By: zaca
2016-02-08 21:11:15 CST (-0500)
ID P.nigrum confirmed by Jim Bennett
By: Andrew Khitsun (Andrew)
2016-02-08 20:58:46 CST (-0500)
Then P. nigrum for sure.
By: zaca
2015-08-22 12:47:07 CDT (-0400)
Well in WIsconsin we’re supposed to have three species:
By: Andrew Khitsun (Andrew)
2015-08-21 22:24:52 CDT (-0400)

P.nigrum, P.stenophyllum and P.asperellum (P.aspratile)

By: zaca
2015-08-21 21:24:43 CDT (-0400)

If it was here I would call it P. nigrum, but i don’t know what are the N. A. species. That was my only reserve.

If it’s Placynthium it’s got to be P.nigrum.
By: Andrew Khitsun (Andrew)
2015-08-21 20:15:21 CDT (-0400)

There are only three species listed in Thomson, and Bennett didn’t add any more either, so there aren’t that many choices. I wasn’t even sure it was Placynthium since other observations I have of that genus differ from this one. Perhaps, I was fooled because this one is wet and lush, but other observations were collected in dry places. But if Placynthium, prothallus is usually typical for P.nigrum.

Created: 2015-08-21 19:18:00 CDT (-0400)
Last modified: 2016-01-17 18:28:24 CST (-0500)
Viewed: 52 times, last viewed: 2016-10-27 12:18:58 CDT (-0400)
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