When: 2014-05-03

Collection location: Pine Glen, Devil’s Lake State Park, Wisconsin, USA [Click for map]

Who: Andrew Khitsun (Andrew)

No specimen available


Proposed Names

57% (1)
Recognized by sight

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I found one with better developed prothallus at the location few miles away (observation 88423),
By: Andrew Khitsun (Andrew)
2014-12-22 04:23:11 CST (+0800)

but that one grows on a bumpy rock with film of slime and algae, while the one here is on barren concrete.

By: Jason Hollinger (jason)
2014-12-22 04:11:41 CST (+0800)

I’ve read repeatedly that this can grow on rock, but never seen it there. The zonate fibrous prothallus looks a lot less conspicuous in the rock version. Maybe because of the rough surface.

On concrete wall.
By: Andrew Khitsun (Andrew)
2014-12-22 02:39:54 CST (+0800)