Nuzzo, VA 1996: Structure of cliff vegetation on exposed cliffs and the effect of rock climbing. - Canadian Journal of Botany74(4): 607-617. [RLL List # 162 / Rec.# 13750] Keywords: CLIFFS/ DOLOMITE/ ILLINOIS/ VERTICAL DISTRIBUTION
Abstract: 10 tab. [Lichens (14 spp.) and vascular plants (27 spp.) were both studied.]