• Bringing Back the Natives Garden Tour
• California Flora Database (Calflora)
• California Invasive Plant Council (Cal-IPC)
• Calscape
• 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