Tiffany, L/ Juhl, KK 1964: A guide to the common lichens of Boone and Storey Counties, Iowa. - Proc. Iowa Acad. Sci.71: 118-135. [RLL List # 71 / Rec.# 18644] Keywords: BOONE COUNTY/ STOREY COUNTY/ IOWA/ FLORA/ KEY
Abstract: 20 fig. [Key to the genera present.]