Observation 288960: Cladonia P. Browne

When: 2017-08-26

Collection location: Loyalsock State Forest, Sullivan Co., Pennsylvania, USA [Click for map]

Who: Dave W (Dave W)

No specimen available

Two different versions of what we believe is the same species (photos B and C).


Proposed Names

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Recognized by sight

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Okay, I can see why you’d think C. squamosa
By: Jason Hollinger (jason)
2017-09-04 07:06:46 AEST (+1000)

Covered with microsquamules, no cortex between the microsquamules, brown apothecia… Fair enough. Can you confirm with chemistry by any chance? C. squamosa is usually very brightly UV+ whitish, although there is also a thamnolic strain (K+ brilliant yellow), if I remember right. The ones I was thinking of, in any case, have totally different chemsitry — fumarprotocetraric acid (K~ dingy brownish-reddish) in all of the species I was suggesting, I think.

This is the one I thought was C. squamosa.
By: Karen Fisher
2017-09-03 23:20:13 AEST (+1000)

The other similar specimen, 288959, keyed out the same but came from a different spot. Looks different on visual examination.
The cool thing about this one is that it was growing on a log that appeared to have been down for a long time, yet the podetia are growing downward! I’ve never seen that.

May be same as observation 288959
By: Jason Hollinger (jason)
2017-09-03 10:05:04 AEST (+1000)

But I don’t have with me the key I trust most for the northeast — Hinds & Hinds “Macrolichens of New England”. I would look closely at the C. ramulosa, C. subradiata area.