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Blue dicks-ookow (Dipterostemon capitatus): one of the most common native bulb species throughout California; found in grassland and dry meadow habitats; Mariposa lilies (Calochortus spp.): available from reputable horticultural sources; taking from the wild is illegal and is resulting in significant declines of some species from over collecting.
Populus trichocarpa, the black cottonwood, [1] western balsam-poplar [2] or California poplar, is a deciduous broadleaf tree species native to western North America. It is used for timber , and is notable as a model organism in plant biology .
Other widespread shrubs and trees include chamise (Adenostoma fasciculatum), California buckwheat (Eriogonum fasciculatum), black sage (Salvia mellifera), coffeeberry (Rhamnus californica), buckthorn (Rhamnus crocea), and coast live oak (Quercus agrifolia). This habitat is often found near closed-cone conifer forests and woodlands. [6]
The most common tree in the subalpine forest is the whitebark pine. [10] The western white pine, mountain hemlock, and lodgepole pine are also found in this forest with many subalpine meadows that flower from July through August. [3] Many species live in, or are transient in, this zone, including Clark's nutcracker. [4]
Mountain hemlock may be the most common tree species in the subalpine zone, especially in the central and northern Sierra. This species forms dense, pure stands on protected slopes with moist soil, but can also co-occur with Sierra juniper and whitebark pine. Mountain hemlock often exhibits two growth forms on the same individual, with one stem ...
Ceanothus is a genus of about 50–60 species of nitrogen-fixing shrubs and small trees in the buckthorn family (). [3] [4] [2] [5] Common names for members of this genus are buckbrush, California lilac, soap bush, or just ceanothus.
The peer-reviewed research from Harvard Medical School found that DEET had negative impacts on the reproductive systems of Caenorhabditis elegans, a species of worm with genetic similarities to ...
Acmispon glaber (previously Lotus scoparius) (common deerweed, deer weed, deervetch, California broom or western bird's-foot trefoil) is a perennial subshrub in the family Fabaceae (pea family). [1] The plant is a pioneer species found in dry areas of California , Arizona , and Mexico .