Astragalus agrestis is a species of milkvetch known by the common names purple milkvetch, purple loco, and field milkvetch. It is native to much of western and northern North America from most of Canada to the southwestern United States, as well as eastern Asia. It grows in vernally moist areas such as meadows, and is often found in sagebrush.
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Triteleia hyacinthina is a species of flowering plant known by the common names white brodiaea, white tripletlily, hyacinth brodiaea, and fool's onion. It is native to western North America from British Columbia to Idaho to central California. Its habitat includes grassland and vernally moist areas such as meadows and vernal pools. It is a perennial herb growing from a corm.
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Navarretia nigelliformis is a species of flowering plant in the phlox family known by the common name adobe navarretia. It is endemic to California, where it is known from the Central Valley and adjacent mountains. It grows in vernally wet depressions in clay soils, such as vernal pools. It is a hairy annual herb growing up to about 32 centimeters in maximum height.
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Triteleia peduncularis is a monocot flowering plant in the genus Triteleia. Its common names include long-ray brodiaea and longray triteleia. It is endemic to California, where it occurs in the coastal and inland mountain ranges of the northern and central sections of the state. It grows in vernally moist habitat such as meadows, grassland, and vernal pools, often in areas with serpentine soils.
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Astragalus pauperculus is an uncommon species of milkvetch known by the common name depauperate milkvetch. It is endemic to northern California, where it is known from the northern Sacramento Valley and the lowest reaches of the Cascade foothills adjacent. It grows in chaparral and vernally wet grassland habitat. This is a very small annual milkvetch which grows in a delicate mat with stems no longer than .
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It is endemic to California, where it is known from the Sacramento-San Joaquin River Delta region of the Central Valley up to the rise of the Sierra Nevada foothills. It is a plant of vernally wet and flooded areas near the waterways of the valley, habitat which has been altered and in some areas eliminated by human activity. It is also a member of the flora in the rare alkali sink habitat of the delta.Species Account.
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The plant is native to southern California and Baja California, where it is known only from vernally wet areas, such as vernal pools, ditches, and other areas that are wet or flooded during the rainy season and dry the rest of the year. Many of these habitat areas have alkali soils arranged in uneven mounds and depressions that collect water and drain slowly before drying up.USFWS. Proposed Revised Critical Habitat for Navarretia fossalis (Spreading Navarretia). June 10, 2009.
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The plant is described as "scattered and not common." It ranges from eastern foothills of the Cascades in south-western Oregon to the Sierra Nevada of southern Inyo county in California, extending a little into Washoe county in far-western Nevada. Found in moist places within Great Basin sagebrush scrub communities. More specifically, in moist grassy, sedgy, or rushy flats bordering streams and lake shores; vernally moist summer-dry alkaline meadows, seeps, marshes and swamps; occasionally found in non-wetlands.
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The flower is less than a centimeter long and is mostly yellow in color, sometimes with brownish dots in the throat. M. evanescens has been observed in rocky sagebrush habitat, especially in areas still moist from early spring soaking.USFS Sensitive Vascular Plant Profile Most of the areas where the plant grows are on rangeland used for grazing livestock. Threats to the plant include land degradation from cattle grazing, encroachment by invasive plant species, and changes in the hydrology of the plant's vernally wet habitat.
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Eryngium pendletonense (sometimes spelled E. pendletonensis) is a rare species of flowering plant in the carrot family known by the common name Pendleton button-celery. It is endemic to northern San Diego County, California, where it is known from four occurrences along the coastline between Oceanside and the Orange County border, including land within Camp Pendleton.California Native Plant Society Rare Plant Profile It grows on vernally moist coastal grassland and coastal sage scrub habitat with clay soils. It was first described as a species in 1999.
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This plant grows in mixed soils of volcanic and serpentine origin in vernally moist areas of grassland next to intermittent streams. At the time it was placed on the endangered species list, it was known only from a strip of land under 0.8 kilometers long and just 6 meters wide, and was at risk for extinction from any one destructive event. The population had been fragmented and part was destroyed by construction activity in 1982. It was listed as a threatened species rather than an endangered species because no further disturbance was planned for the area at the time.
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