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1999. A floristic study of Sugarloaf Ridge State Park. Sonoma County, California. Aliso 18 (1): 19-34.
1999. Ecological restoration and local communities: a case study from Sinkyone Wilderness State Park, Mendocino County, California. Human Ecology 27 (2): 359-368.
1998. Resistance to logging. In C. Merchant.Green versus gold: sources in California’s environmental history. Island Press. Covelo, California.
1996. A floristic study of Delta Meadows River Park. Sacramento County, California. Madrono 43 (3): 417-431.
1995. Working with amateurs on floristic research: experimenting in California State Parks. Lasthenia: Newsletter of the Davis Herbaria Society 7: 5-6.
1994-1996. A floristic study of Sinkyone Wilderness State Park.Mendocino County, California. Wasmann Journal of Biology 51 (1-2): 64-143.
1990. Native herbaceous species used in project in Lake Tahoe Basin (California). Restoration and Management Notes. 8 (1): 38.
1990. Restoring coastal sage scrub at San Onofre State Beach (California). Restoration and Management Notes. 8 (2): 120-121.
1989. Reappraisal of the range of Phacelia vallicola. Madrono 36 (1): 51-52.