El Dorado

Centaurea melitensis (called Maltese star-thistle in Europe, tocalote or tocolote in western North America) is an annual plant of the Asteraceae, 1 to 11 decimetres (4 to 43 in) high, with resin-dotted leaves and spine-tipped phyllaries. This plant is native to the Mediterranean region of Europe and Africa. It was introduced to North America in the 18th century; the first documented occurrence in California is in the adobe of a building constructed in San Fernan less ↑

Lactuca serriola, also called prickly lettuce, milk thistle (not to be confused with Silybum marianum, also called milk thistle) compass plant, and scarole, is an annual or biennial plant in the dandelion tribe within the daisy family. It has a slightly fetid odor and is commonly considered a weed of orchards, roadsides and field crops. It is the closest wild relative of cultivated lettuce (Lactuca sativa L.). less ↑

Rafinesquia californica is a species of flowering plant in the daisy family known by the common names California chicory and California plumeseed. It looks like a weedy daisy, bearing heads of elegant white-petaled flowers. The ligules of the flowers are often striped with lavender or pink on the undersides, a feature most noticeable when the heads are closed. Each fruit has a pappus of stiff white or light brown hairs. less ↑

Stephanomeria virgata, commonly called rod wirelettuce, twiggy wreath plant, and virgate wirelettuce, is a herbaceous annual plant of the sunflower family, Asteraceae. It can be found growing in Western North America, specifically California, but also in Oregon and Nevada and northern Mexico. This plant can be found in dry, open habitat types at elevations below 2100 meters. S. virgata is sometimes used as an ornamental plant. less ↑