Sunday, September 9, 2007

Sonoma County Endangred Species

Endangered Species in Sonoma County California

California Tiger Salamander The California tiger salamander (Ambystoma californiense) is an important part of California's precious natural heritage. This amphibian was historically distributed throughout most of the Central Valley, adjacent foothills, Coast Ranges, and the Santa Rosa Plain in Sonoma County. Locally, it is now found in only the deepest vernal pools and a few suitable artificial ponds in the Santa Rosa Plain.

Burke's Goldfields Burke's goldfields (Lasthenia burkei) is a small, slender annual herb in the sunflower family (Asteraceae). It has narrow, opposite leaves and bright reddish golden flowers. It is extremely rare, being found in only few areas of the Laguna de Santa Rosa and the northern Santa Rosa Plains.

Sebastopol Meadowfoam Sebastopol meadowfoam (Limnanthes vinculans) is a small (up to 12-inch tall), multi-stemmed herb of the false meadowfoam family (Limnanthaceae). Although the first leaves are narrow and undivided, leaves on the mature plant have three to five undivided, paddle-shaped leaflets along each side of a long stalk (petiole). The small white flowers occur in profuse masses lining pools and swales, giving the appearance of "foam" in the grass during spring. Locally, this species is restricted to the southern half of the Santa Rosa Plains.

Sonoma Sunshine Baker's stickyseed (Blennosperma bakeri), which is also known as Sonoma sunshine, is a small (up to 12 inches in height), annual herb in the aster family (Asteraceae). The plant has alternate, narrow, hairless leaves, 2 to 6 inches long. The upper ones have 1 to 3 lobes, the lower ones none. The small flowers are bright yellow. This species is the most widely distributed of the endangered plants in the Santa Rosa Plain.

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