When: 2015-05-23

Collection location: Santa Barbara Co., California, USA [Click for map]

34.4565°N 119.6938°W 267m [Click for map]

Who: J-Dar

No specimen available

Location: Skofield Park
Habitat: Coast live oak (Quercus agrifolia) woodland. Small dead branchlets.

Notes: Large grey-green thallus, ascending lobes with wavy margins and no cilia. Upper cortex K+Y, C-. Lower side of thallus is dark charcoal black in center grading to dark brown and finally pure white distally. Medulla white, K-, C+R quick and bright. Soredia in fine thin lines on mature lobe margins.

Associates: Teloschistes chrysophthalmus (observation 204939), Physcia adscendens and many others.


Proposed Names

85% (1)
Used references: Brodo Lichens of NA
Based on chemical features: Medulla C+R

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= Observer’s choice
= Current consensus


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