Observation 94063: Tephromela atra (Hudson) Hafellner

When: 2012-05-06

Collection location: Madison, Wisconsin, USA [Click for map]

Who: Andrew Khitsun (Andrew)

Specimen available

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By: Jason Hollinger (jason)
2012-05-07 02:29:54 CDT (-0500)

Lecidella has similar thallus, but doesn’t have thalline rims.
Lecania can have similar thallus and thalline rims, but not black apothecia(?)
Rinodina has darker thallus usually, thalline rims, and black apothecia.

Both Lecania and Rinodina have septate spores, Rinodina brown septate spores, no less. Tephromela (and Lecanora) has simple spores.

My notes of Tephromela show odd spot tests sometimes, too. I wonder if the species is just more chemically variable than its given credit for? (Or if it’s a complex of species.)

By: Andrew Khitsun (Andrew)
2012-05-06 21:05:33 CDT (-0500)

I didn’t notice much changes in color trying to apply K, KC and C. Maybe it’s not T.atra after all.

Created: 2012-05-06 19:49:08 CDT (-0500)
Last modified: 2012-05-06 19:52:05 CDT (-0500)
Viewed: 44 times, last viewed: 2017-06-12 23:13:26 CDT (-0500)
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