Thomson, JW 1974: Lichenology in North America 1947-1972. - Ann. Missouri Bot. Gard.61: 45-55. [RLL List # 90 / Rec.# 18487] Keywords: LICHENOLOGY / HISTORY / SYMPOSIUM / LITERATURE
Abstract: [Part of the symposium "25 Years of Botany, 1947-1972". Many references.]