Correspondence, reviews, manuscripts, surveys, articles, climatic data, research notes on weed control, films, and lectures.
Professor of Evolution and Ecology; author of Checklist of vascular plants in Yolo, Sacramento, Solano, and Napa counties,
California (1963); co-editor of Terrestrial vegetation of California (1977, 1988, 1990).
All applicable copyrights for the collection are protected under chapter 17 of the U.S. Copyright Code. Requests for permission
to publish or quote from manuscripts must be submitted in writing to the Head of Special Collections. Permission for publication
is given on behalf of the Regents of the University of California as the owner of the physical items. It is not intended to
include or imply permission of the copyright holder, which must also be obtained by the researcher.
Collection is open for research.