Observation 88305: Porpidia Körb.

When: 2009-07-14

Collection location: Pattison State Park, Wisconsin, USA [Click for map]

Who: Andrew Khitsun (Andrew)

No specimen available


Proposed Names

29% (1)
Recognized by sight

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= Observer’s choice
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Add Comment
Thick verrucose thallus
By: Jason Hollinger (jason)
2012-02-28 03:20:32 CST (-0500)

Might suggest other species. Lecidella stigmatea, for example.

Happy trio
By: Andrew Khitsun (Andrew)
2012-02-27 20:34:44 CST (-0500)

These photos are from the northern WI, so these could be any of the three species encountered there: Porpidia crustulata, Porpidia macrocarpa or Rhizocarpon concentricum. In fact, it looks like at least two of them are in these pictures, unless dark and light circles are the iterations of the same species. Also see discussion for observation 87905.