Located in Vacaville, California, Phytosphere Research was founded in 1987 to provide contract research and consulting services related to natural resource management, horticulture, urban forestry, and agriculture.  Our services are available to public agencies, businesses, and individuals. We have built our reputation and practice on high quality service tailored to meet the specific project needs of each client. We emphasize close communication with our clients to ensure that any project we undertake meets their needs completely.
Phytosphere Research Personnel

Clients have included:

* USDA Forest Service
* US National Park Service
* University of California (Berkeley, Davis, and Santa Cruz campuses)
* California Department of Forestry and Fire Protection
* California Department of Fish and Game
* California Department of Transportation
* California Department of Parks and Recreation
* City of Vacaville, California
* City of Fairfield, California
* City of Mountain View, California
* City of Rocklin, Cailfornia
* City of Sunnyvale, California
* County of Yolo, California
* Solano Land Trust
* Sonoma County Fish and Wildlife Advisory Board
* Golden Gate National Parks Association
* California Native Plant Society
* Santa Clara Valley Water District
* San Francisco Public Utilities Commission
* Solano Irrigation District
* Pacific Gas and Electric Company
* Mid-Pennisula Regional Open Space District
* Inland Empire Urban Forest Council
* Kashia Band of Pomo Indians of Stewarts Point Rancheria
* CH2M Hill
* Elmon Development, Inc.
* Marriott Facilities Management
* Riverbrook Partners
* Chalk Hill Winery
* Viansa Winery