MEMBERSHIPS
- Founder of Washington Native Plant Society
- Founder of Botany Washington
- California Native Plant Society
- Oregon Native Plant Society
- Several International Conferences on Serpentine Ecology
- The Nature Conservancy, Served on the Board
- NSF, Chair Fellows Committee
- American Association for the Advancement of Science (AAAS)
- Worked on the Jepson Herbarium
- California Botanical Society
- American Museum of Natural History
- Washington Historical Society
- Oregon Historical Society