Author Affiliations +
Daniel H. Norris,1 Lloyd R. Stark2
1University Herbarium, 1001 Valley Life Sciences Building #2465, University of California, Berkeley, CA 94720-2465 U.S.A. dhnorris@berkeley.edu
2School of Life Sciences, University of Nevada, Las Vegas, Nevada, U.S.A. 89154-4004 lrs@unlv.nevada.edu