When: 2012-03-25

Collection location: Ableman’s Gorge State Natural Area, Wisconsin, USA [Click for map]

Who: Andrew Khitsun (Andrew)

No specimen available

Images

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Comments

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Caloplaca cerina is an underdog.
By: Andrew Khitsun (Andrew)
2012-03-29 21:46:19 PDT (-0700)

I just added another photo (at the bottom), where C.cerina serves as an arm-chair to C.holocarpa. So it’s not just Phaeophyscia that takes advantage of C.cerina here, but another Caloplaca species too. (We all know some relatives who are worse than enemies :-)

Yes, it is very striking
By: Jason Hollinger (jason)
2012-03-29 16:53:24 PDT (-0700)

I wonder if it’s just a matter of the Caloplaca providing better texture for capturing spores or algae or moisture or nutrients or something?

Yes, it’s aspen
By: Andrew Khitsun (Andrew)
2012-03-29 16:08:24 PDT (-0700)

I actually find it entertainig how Phaeophyscia grow right out of Caloplaca thalli.

On aspen?
By: Jason Hollinger (jason)
2012-03-28 23:09:17 PDT (-0700)

Wish those Phaeophyscia weren’t interfering. Those could have been beautiful rosettes of Caloplaca!

+ C.holocarpa?
By: Andrew Khitsun (Andrew)
2012-03-28 21:20:41 PDT (-0700)