BOT 508, Microlichens Workshop (2 cr, offered at irregular intervals). Structure and identification of microlichens, including crustose and squamulose species. Study collections from a wide range of substrates (conifer bark, hardwood bark, rock, soil, moss, and rotting wood) and from across the phylogenetic tree. Obtain depth in one genus or a section of a genus, including taxonomy, biogeography, secondary chemistry, and relate your results to the class. Expectation is for 25 hours in lab/class, 35 hours out of class. Bring personal collections for study. Last offered in 2003 and 2007. Can be taken for graduate credit or on a fee-for-service basis.