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Cirsium andersonii is a North American species of thistle known by the common names Anderson's thistle and rose thistle.It is native to California, Oregon, and Nevada, where it grows in the woodlands and forest openings of the local high mountain ranges, including the Sierra Nevada and the southern Cascade Range.
Cirsium hydrophilum is a species of thistle which is endemic to California, where it is found only in the San Francisco Bay Area and the Sacramento-San Joaquin River Delta. This native thistle grows in wet boggy habitats.
Cirsium loncholepis is a rare species of thistle known by the common name La Graciosa thistle.It is endemic to California, where it is known from about 15 remaining occurrences in wetlands where southwestern San Luis Obispo County borders northwestern Santa Barbara County. [1]
Cirsium occidentale var. candidissimum — snowy thistle [7] [8] Cirsium occidentale var. compactum — compact cobwebby thistle; a short, clumpy California endemic that grows only along the coast of the San Francisco Bay Area and the Central Coast of California [9] Cirsium occidentale var. coulteri — Coulter's thistle [10]
A number of other names are used in other areas or have been used in the past, including: Canadian thistle, lettuce from hell thistle, California thistle, [10] corn thistle, cursed thistle, field thistle, green thistle, hard thistle, perennial thistle, prickly thistle, setose thistle, small-flowered thistle, way thistle, and stinger-needles ...
Which Southern California native plants survived climate change and mass extinctions 13,000 years ago and still live today? La Brea Tar Pits researchers compiled a list.
Cirsium fontinale, the fountain thistle, is a flowering perennial herb in the family Asteraceae. It is endemic to California . The genus Cirsium is commonly known as the "thistle" genus, Cirsium being the Greek word for 'thistle.'
Cirsium brevistylum is a species of thistle known by the common names Indian thistle and clustered thistle. It is native to western North America having been found in southwestern British Columbia , Washington , Oregon , Idaho , Montana , and California .