Anthocharis midea, the falcate orangetip, is a North American butterfly that was described in 1809 by Jacob Hübner. It belongs to the family Pieridae, which is the white and sulphurs. These butterflies are mostly seen in the eastern United States, and in Texas and Oklahoma. They eat the nectar of violets and mustards. They tend to live in open, wet woods along waterways, in open swamps, and less often in dry woods and ridgetops. This species is a true springtime butterfly, being on the wing from April to May.
Allium campanulatum is a species of wild onion known by the common name dusky onion or Sierra onion. This is a flowering plant native to the western United States from southeastern Washington and northern Oregon to southern California, and western Nevada. The dusky onion grows in foothills and mountains, especially in dry areas, such as chaparral habitats.
Abronia pogonantha is a species of flowering plant in the four o'clock family (Nyctaginaceae) known by the common name Mojave sand-verbena. It is native to California and Nevada, where it grows in the Mojave Desert, adjacent hills and mountains, and parts of the San Joaquin Valley in the Central Valley.
Astragalus breweri is a species of milkvetch known by the common name Brewer's milkvetch. It is endemic to northern California, where it is found in several counties surrounding the north edge of the San Francisco Bay Area. It grows in open habitat in the North Coast Ranges, sometimes on serpentine soils.
Astragalus gambelianus is a species of milkvetch known by the common name Gambel's dwarf milkvetch. It is native to California, with its distribution extending into Oregon to the north and Baja California to the south.
Astragalus inversus is a species of milkvetch known by the common name Susanville milkvetch.
Astragalus nutans is a species of milkvetch known by the common name Providence Mountains milkvetch.
Astragalus oxyphysus is a species of milkvetch known by the common name Diablo milkvetch. It is endemic to central California, where it grows in dry grassland and scrub habitat in the Central Valley and the adjacent Inner Coast Ranges and Sierra Nevada foothills.
Astragalus subvestitus is a species of milkvetch known by the common name Kern County milkvetch.
Bloomeria humilis is a rare species of flowering plant that is known by the common name dwarf goldenstar. It is endemic to San Luis Obispo County, California, where it is known from only one occurrence on the coastline near San Simeon.
Boykinia rotundifolia is an uncommon species of flowering plant in the saxifrage family known by the common name roundleafed brookfoam. It is endemic to Southern California, where it grows in shady forested areas near streams in the mountains.
Calamagrostis breweri is a species of grass known by the common name shorthair reedgrass.
Calandrinia breweri is a species of flowering plant in the family Montiaceae known by the common name Brewer's redmaids.
Calystegia longipes is a species of morning glory known by the common name Paiute false bindweed.
Tetrapteron palmeri is a species of evening primrose known by the common name Palmer evening primrose. It is native to the western United States from California to Idaho, where it grows in several habitat types, including desert and sagebrush. It is a roughly hairy annual herb growing in a low patch on the ground, generally with no stem. The leaves are widely lance-shaped and up to about 5 centimeters long, with a few small teeth along the edges. The nodding inflorescence produces flowers with yellow petals only 2 or 3 millimeters long each and a noticeable bulbous stigma tip which may be up to a centimeter wide. The fruit is a leathery capsule around half a centimeter long with small wings near the tip.
Chorizanthe breweri is a rare species of flowering plant in the buckwheat family known by the common names San Luis Obispo spineflower and Brewer's spineflower. It is endemic to California, where it is known from about twenty occurrences in the Central Coast Ranges of San Luis Obispo and far southern Monterey Counties. It grows in the chaparral and woodlands of the range, generally on serpentine soils. This small plant produces decumbent stems extending along the ground and sometimes growing upright to a maximum length of about half a meter. The herbage is mostly reddish in color and somewhat hairy. The inflorescence is a cluster of flowers, each surrounded by six hairy reddish bracts with hooked tips. The flower itself is only about 3 millimeters wide and is white to red and hairy.
Clarkia mildrediae is an uncommon species of flowering plant in the evening primrose family known by the common name Mildred's clarkia. It is endemic to California, where it is known from the forests of the southernmost Cascade Range and northern Sierra Nevada. It is an erect annual herb often exceeding half a meter in height. The oval leaves grow up to 6 centimeters long and are borne on petioles of up to 4 centimeters. The inflorescence bears opening flowers and hanging, pointed flower buds. As the bud opens the sepals all separate instead of remaining fused as those of many other Clarkia species do. The triangular to semicircular petals are about 2 centimeters long and lavender to bright reddish-purple, sometimes with dark speckling. There are 8 stamens with anthers all alike, and a protruding stigma.
Eriogonum panamintense is a species of wild buckwheat known by the common name Panamint Mountain buckwheat. It is native to several of the desert mountain ranges of eastern California and western Nevada, including the Panamint Range. It grows in various types of mountain ridge habitat, such as sagebrush and coniferous woodland.
Packera breweri is a species of flowering plant in the aster family known by the common name Brewer's ragwort. It is endemic to central California, where it occurs in the woodlands and grasslands of the Central Coast Ranges. They are more frequently found in mid-southern counties of California near the coast, such as Kern or Monterey.
Agnorhiza ovata is a species of flowering plant known by the common name southern mule's ears. It is native to the mountains and foothills of southern California and Baja California, occurring the Coast Ranges and Sierra Nevada foothills in Tulare, Kern, Ventura, Los Angeles, Orange, Riverside, and San Diego counties in California, with additional populations in the Peninsular Ranges south of the international border.
