Astragalus holmgreniorum NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.
ITIS Reports — ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.
FWS Digital Media Library — The U.S. Fish and Wildlife Service’s National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.Astragalus holmgreniorum is a rare species of milkvetch known by the common names Holmgren milkvetch and paradox milkvetch. It is native to a tiny section of desert shrub woodland on the border between Utah and Arizona, in the far northern Mojave Desert. There are six populations remaining. It is a federally listed endangered species. Species Description: Both Astragalus holmgreniorum (Holmgren milk-vetch) and A. ampullarioides (Shivwits milk-vetch) are members of the pea family (Fabaceae or Leguminosae). Holmgren milk-vetch is a shortlived perennial; few plants live past three years, with 4 years being the oldest documented lifespan.
