|Status||Date Listed||Lead Region||Where Listed|
|1978-05-27||Mountain-Prairie Region (Region 6)|
» Federal Register Documents
|1980-12-15 00:00:00.0||45 FR 82480 82569||Review of Plant Taxa for Listing as Endangered or Threatened Species|
|1989-09-14 00:00:00.0||54 FR 37941 37943||ETWP; Delisting of Astragalus perianus (Rydberg Milk Vetch); 54 FR 37941 37943|
|1978-04-26 00:00:00.0||43 FR 17910 179??||Final Determination that Eleven Plant Taxa are Endangered and Two Plant Taxa are Threatened Species|
|1975-07-01 00:00:00.0||40 FR 27924||Review of Status of Vascular Plants|
|1990-02-21 00:00:00.0||55 FR 6184 6229||ETWP; Review of Plant Taxa for Listing as Endangered or Threatened Species; Notice of Review; 55 FR 6184 6229|
|1988-10-11 00:00:00.0||53 FR 39626 39627||Proposed Delisting of Astragalus perlanus (Rydberg Milk-vetch); 53 FR 39626-39627|
|1985-09-27 00:00:00.0||50 FR 39526 39584||Review of Plant Taxa for Listing as End. or Thr. Species; Notice of Review; 50 FR 39526-39584|
|Date||Citation Page||Title||Document Type|
|1988-10-11||53 FR 39626 39627||Proposed Delisting of Astragalus perlanus (Rydberg Milk-vetch); 53 FR 39626-39627||
|1989-09-14||54 FR 37941 37943||ETWP; Delisting of Astragalus perianus (Rydberg Milk Vetch); 54 FR 37941 37943||
» Critical Habitat
No critical habitat rules have been published for the Rydberg milk-vetch.
» Conservation Plans
No conservation plans have been created for Rydberg milk-vetch.
» Biological Opinions
» Life History
» Other Resources
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.