Weeds of Sagehen Creek Basin, CA
Help us monitor and remove invasive plants from the basin by documenting occurrences of these species, pulling them out, and throwing them into a dumpster to prevent seed dispersal.
Yellow Salsify
Tragopogon dubius (western salsify, western goat's-beard, wild oysterplant, yellow salsify, yellow goat's beard, goat's beard, goatsbeard, common salsify, salsify) is a species of Salsify native to southern and central Europe and western Asia and found as far north and west as northern France. Although it has been reported from Kashmir and India, recent evidence suggests ...more ↓
Great Valley gumweed
Grindelia camporum is a species of flowering plant in the daisy family known by the common names Great Valley gumplant and Great Valley gumweed. It is native to California and Baja California, where it can be found in a number of habitats. Its range may extend into Nevada. This hardy plant readily grows in disturbed and altered areas such as ditches and roadsides. ...more ↓
Common Dandelion
Taraxacum officinale, the common dandelion (often simply called "dandelion"), is a flowering herbaceous perennial plant of the family Asteraceae (Compositae). It can be found growing in temperate regions of the world, in lawns, on roadsides, on disturbed banks and shores of water ways, and other areas with moist soils. T. officinale is considered a weed, ...more ↓
Bull Thistle
Cirsium vulgare (Spear Thistle) is a species of the genus Cirsium, native throughout most of Europe (north to 66°N, locally 68°N), western Asia (east to the Yenisei Valley), and northwestern Africa (Atlas Mountains). It is also naturalised in North America and Australia and is as an invasive weed in some areas.
purple crown-vetch
Securigera varia, commonly known as crown vetch or purple crown vetch, is a low-growing legume vine. It is native to Africa, Asia and Europe and is commonly used throughout the United States and Canada for erosion control, roadside planting and soil rehabilitation. It has become an invasive species in many states of the US.
