Observation 93187: Dermatocarpon Eschw.

When: 2012-03-12

Collection location: Grindstone Park, Columbia, Missouri, USA [Click for map]

Who: MOFunGuy (jrapp)

No specimen available

Found on rocky hill overlooking a creek with steady seep of water running across it. Could this be Dermatocarpon luridum, or something else?

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Thanks Jason!
By: MOFunGuy (jrapp)
2012-04-23 20:38:25 PDT (-0700)
Difficult genus
By: Jason Hollinger (jason)
2012-04-23 15:23:54 PDT (-0700)

Could be D. moulinsii (rhizines below), D. tomentulosum (tomentose below), D. muehlenbergii / D. arenosaxii / D. dolmiticum (naked below).

Note that D. luridum turns distinctly green when wet like this. I can convince myself there are a few hints of green here and there, but that doesn’t count. Expect to find that species in the creek, not on rocks above it. (Seeps can dry up some years, that doesn’t count, either.)

Created: 2012-04-22 21:19:11 PDT (-0700)
Last modified: 2012-04-23 20:04:44 PDT (-0700)
Viewed: 44 times, last viewed: 2017-06-12 20:18:54 PDT (-0700)
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