Collection location: Paso Robles, California, USA [Click for map]
35.6282° -120.8831° 351m
On deciduous Valley Oak (Quercus lobata) trunk bark in mixed oak forest.
Thin whitish grey thallus apothecia common, 1-2mm, margin dull, disc light orange to dull grey, epruinose, algal layer thin, continuous along inside edge of cortex all the way beneath the hypothecium, connecting apothecial margins. Spot tests: Apothecia margin C+R (see photos), thallus K-, C+R, KC+R. All C tests weak, slow and not consistent across various trials. Probably should test my C for efficacy.
Need UV, should be UV- for this species.
See observation 204821, growing on a live oak (Q. agrifolia) 20 feet away from this collection. Overall form (“gestalt”) is very different, but when I collected this one for later evaluation, I thought it was the same species as the one on the live oak. Maybe it is, maybe it is not, I’ll have to go back and collect it for spot tests.
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sum(score * weight) /
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Created: 2015-05-23 18:44:45 CEST (+0200)
Last modified: 2015-05-23 18:54:30 CEST (+0200)
Viewed: 23 times, last viewed: 2017-06-20 10:34:52 CEST (+0200)