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§ Spodoptera exigua is a pest of seedlings, young plants, squares and early bolls. [77] Caliothrips fasciatus is a pest of the mature plant. [78] The larvae of § Heliothis virescens are pests of bolls and squares. [79] Gryllus spp. are pests of the early stages. [59] Bucculatrix thurberiella ' s harm is limited to the southern deserts only. [80]
Quercus agrifolia, the California live oak, [3] or coast live oak, is an evergreen [4] live oak native to the California Floristic Province.Live oaks are so-called because they keep living leaves on the tree all year, adding young leaves and shedding dead leaves simultaneously rather than dropping dead leaves en masse in the autumn like a true deciduous tree. [5]
It thrives in full sun, preferring to grow on west or north-facing slopes. It needs little water and prefers no water in the summer months; it does not seem that soil types affect plant growth much. This plant relies on wildfire for seed germination and burned plants can crown-sprout and keep growing.
California also has 1,023 species of non-native plants, some now problematic invasive species, such as yellow star-thistle, that were introduced during the Spanish colonization, the California Gold Rush, and subsequent immigrations and import trading of the 18th, 19th and 20th centuries.
A. californica has adapted to its native Mediterranean climate by growing during the wet late winter and spring months and entering dormancy in the dry summer months, though those growing in coastal regions tend to hold on to their leaves until mid-autumn. [2]
Some plants with a broader altitudinal range are found listed in their predominant habitat elevation. All the plant species listed are native to the Sierra's foothills, valleys, and mountains. In addition some are also endemic to here and elsewhere within California – (ca-endemic) ; and some are further endemic to and only found in the Sierra ...