When: 2008-11-05

Collection location: Madison Heights, Pasadena, California, USA [Click for map]

Who: Jason Hollinger (jason)

Specimen available

Notes:
Found a palm tree (Mexican fan palm) whose base is positively covered with this stuff. Truly a spectacular site… if little black dots impress you. (Also a little Lecanora hagenii growing mixed in just because it can.)

Images

Thallus close-up, at 30×.
Young spore, in water, at 1000×.

Proposed Names

87% (1)
Based on microscopic features: Spore shape and size.

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= Observer’s choice
= Current consensus

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