Observation 69904: Lichen P. Micheli

When: 2011-06-22

Collection location: Davis, California, USA [Click for map]

Who: Byrain

No specimen available

Growing on a sidewalk, very small apothecia.


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Thanks Jason
By: Byrain
2011-07-01 16:57:00 CDT (-0500)

for the enlightening posts on my recent observations, but I’m going to leave this one alone for now. Got plenty of other kinds of seemingly simpler to ID lichens to play around with first while I learn more.

Also, do you think I’m right with this one? http://mushroomobserver.org/69881?q=5EO7

black disk crusts
By: Jason Hollinger (jason)
2011-06-30 09:40:07 CDT (-0500)

Are practically impossible without spore characteristics, and even then (if the spores are 1-celled and colorless) you still can’t even get close to a genus without a host of other tricky microscopic characters. There are literally dozens of lichen genera with black disc-like crustose species.