Culberson, WL 1955: A Guide to the Literature on the Lichen Flora and Vegetation of the United States. - Plant Disease Epidemics & Ident. Sec., Agr. Res. Ser., USDA, Spec. Publ. No. 7. 54 pp. [RLL List # 16 / Rec.# 3815] Keywords: BIBLIOGRAPHY/ IDENTIFICATION/ USA
Abstract: [Bibliography of some 650 annotated classified references.]