Notes: Found about waist-height on trunk of Nothofagus covered with dust from nearby road. (Dust was from glacial loess, in flood plain of Rio Leones(?).) In rainshadow of the great northern ice sheet.
Identifying characteristics: brown, subfruticose (but not caulescent), finely granular marginal and laminal isidia, tan tomentose below with many tiny inconspicuous cyphellae.
Galloway’s description of Sticta santessonii says the cyphellae should be large, conspicuous, and widely scattered. This is also reportedly mostly a terricolous species preferring humid sites, unlike mine. However, it seems to be the only species in the area with granular non-coralloid isidia. It is endemic to southern Chile. (See also S. fuliginosa?)
(I’ll photograph my herbarium specimen when I find it.)
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Created: 2009-04-02 13:10:12 PDT (-0700)
Last modified: 2009-04-02 13:10:12 PDT (-0700)
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