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| Authors: | D L JEFFRIES S O LINK J M KLOPATEK |
| Institution: | Division of Science and Mathematics, University of the Ozarks, Clarksville, Arkansas 72830.;Pacific Northwest Laboratory, Richland, Washington 99352.;Department of Botany, Arizona State University, Tempe, Arizona 85287–1601, U.S.A. |
| Abstract: | |
| Keywords: | Cryptogamic crusts CO |