Collection location: Monterey Co., California, USA [Click for map]
On weathered shale, a large boulder in open grassland range.
I went to far dark corners of various Caloplaca keys with this one, fooled by the seemingly brown thallus, which is in reality orange but is covered by particles from the rock making it the same color as the rock. But the real question is, what is the sterile black Verrucaria like thing?
Thallus orange, with abundant orange apothecia initials, all parts K+R. Medulla layer is very small. Apothecia are small, about 0.5mm, dull orange, pruinose, with raised margin lacking algae (proper margin dominant) and thick algal layer across base. Exciple and layer below hypothecium not paraplectenchymatous. Hymenium hyaline, epihymenium golden brown, K+R.
Spores 8 per ascus, ellipsoid, hyaline, polarilocular. 11.7×6.6, 9.9×6.7, 10.1×5.5µm, with isthmus 2.1-3.4µm after heat treatment.
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Created: 2016-10-29 12:51:10 PDT (-0700)
Last modified: 2016-10-29 14:22:11 PDT (-0700)
Viewed: 28 times, last viewed: 2020-08-04 12:26:37 PDT (-0700)