Book ID: 95870
Sliwa, Lucyna
A revision of the Lecanora dispersa in North America. 2007. (Polish Botanical Jl., 52:1). illus. 79 p. gr8vo. Paper bd.
A revision based on some 1900 specimens from 25 herbaria. 19 species have been recognized for the area. Key for all species, anatomy,morphology, lichen products, ecology.