Weber, WA 1961: Lichenes Exsiccati. Distributed by the University of Colorado. Boulder, Colorado, U.S.A. Fasc. I (no. 1-40). - . 15 unnumbered pp. [RLL List # 38 / Rec.# 20007] Keywords: LASALLIA/ NEW TAXA/ EXSICCATI/ WEBER/ LECANORA
Abstract: [Labels for nos. 1-40 in this exsiccat. New: Umbilicaria pustulosa subsp. papulosa (Ach.) comb. nov., Lecanora arizonica (Tuck.) comb. nov.]