Observation 85617: Cladonia arbuscula (Wallr.) Flotow
When: 2011-12-29
Who: zaca
No herbarium specimen

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Hello Jason,
By: zaca
2012-01-03 23:40:18 CET (+0100)

Probably I was distracted by finding a species that did not expect (the Cetraria in the other observation) and did not collect any sample. It was stupid because for the first time I saw large mats of a Cladonia (several meters). Some day I go back to the place and clarify the chemical reactions of this species. Thanks for the alternative.

Another possibility
By: Jason Hollinger (jason)
2012-01-03 20:25:57 CET (+0100)

I’d consider C. rangiferina, as well. Can you do spot tests on them? (Be sure to do them at the tips! They often don’t work on the branches.) C. rangiferina should be distinctly K+y. C. arbuscula is K- KC+y. (C. portentosa is also similar: KC±y, UV+white/blue.) Note that C. rangiferina ranges farther south than the others.

Created: 2012-01-03 20:06:53 CET (+0100)
Last modified: 2012-01-03 20:06:55 CET (+0100)
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