Observation 207152: Lichen P. Micheli

When: 2015-06-16

Collection location: Shambeau Park, Waupaca, Wisconsin, USA [Click for map]

Who: Andrew Khitsun (Andrew)

Specimen available

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Yes of course apothecia are the same, but appear different
By: Andrew Khitsun (Andrew)
2015-06-20 19:52:27 EDT (-0400)

The ones in the center are being swallowed and don’t look round anymore. If I encountered such morphology on two neighboring thallii, I’d think I have two different species.

By: Jason Hollinger (jason)
2015-06-20 19:35:40 EDT (-0400)

It’s like the thallus just keeps growing, finally overgrowing its own apothecia.

On granite.
By: Andrew Khitsun (Andrew)
2015-06-20 19:08:47 EDT (-0400)

Of interest are different types of apothecia – the ones in the center are quite distinct from the ones towards the edges.
While not 100% sure, by examining specimens in situ it seems that algae-populated circles are leftovers of thalli of the same lichen.

Created: 2015-06-20 18:51:30 EDT (-0400)
Last modified: 2015-06-20 19:06:37 EDT (-0400)
Viewed: 24 times, last viewed: 2017-06-20 07:20:27 EDT (-0400)
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