Printzen C.
(2001):
Corticolous and lignicolous species of Lecanora (Lecanoraceae, Lecanorales) with usnic or isousnic acid in the Sonoran Desert Region,
Bryologist,
104(3): 382-409
A taxonomic study of corticolous species of Lecanora in the Sonoran Desert region
containing usnic acids and not belonging to Lecanora s. str. is presented. Descriptions, notes on
the ecology and distribution and a key to the 17 species recognized within the area are included.
Lecanora coniferarum Printzen, L. latens Printzen, L. perconfusa Printzen, and L. substrobilina
Printzen are described as new to science. The following new combinations are proposed: Lecanora
densa (S´liwa & Wetmore) …
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