- Bringing Back the Natives Garden Tour
- California Flora Database (Calflora)
- California Invasive Plant Council (Cal-IPC)
- Citizens for East Shore Parks
- East Bay Regional Park District
- Friends of Five Creeks
- Friends of Sausal Creek
- Jepson Herbarium
- PlantID.net
- Regional Parks Botanic Garden
- SF Bay Wildlife.info
- Save Mount Diablo
- Save the Bay
- UC Berkeley Botanical Garden