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A current study by San Francisco State University master’s degree candidate Carly Miranda aims to research the genome of native thistles in the genus Cirsium, many varieties of which are…

Blue Oak Woodland in Spring Hike Self-Guided Hike through Walnut Creek’s Largest Open Space Download a PDF of this self-guided hike (HERE) There is also a printer-friendly version available here…

Spring looks different. More filled with hope. Spring is finally here. Scant rainfall early in the winter kept plants from sprouting as quickly and blooming as exuberantly as they might…

Spring is finally here, and if you like birds, it’s time to get excited. The soft-spoken American poet Emily Dickinson wrote that “March is the Month of Expectation.” She was…

Common name: Pitcher Sage Scientific name: Lepichinia  calycina Plant family: Lamiaceae Origin: Native/Endemic Duration: Perennial Flower color: White Plant type: Shrub   Resources: Calflora

Common name: Yellow Starthistle Scientific name: Centaurea solstitialis  Plant family: Asteraceae Origin: Non-Native Duration: Annual Flower color: Yellow Plant type: Herb   Resources: Cal-IPC

Common name: Wild Teasel Scientific name: Dipsacus fullonum Plant family: Dipsacaceae Origin: Non-Native Duration: Biennial Flower color: White/Pink/Purple Plant type: Herb Habitat: Open, sunny areas. Likes disturbed sites, such as the side of…

Written by Haley Sutton, Land Stewardship Associate Race against the Weeds Photo by Haley Sutton Because of the change in the county health order at the end of January, staff…