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.
Status | Date Listed | Lead Region | Where Listed |
---|---|---|---|
Endangered | 08/31/1984 | California/Nevada Region (Region 8) | Wherever found |
No critical habitat rules have been published for the Slender-Petaled mustard.
07/31/1998 | Recovery Plan for the Pedate Checkermallow (Sidalcea pedata) and Slender-petaled Mustard (Thelypodium stenopetalum) | View Implementation Progress | Final |
07/31/1998 | Recovery Plan for the Pedate Checkermallow (Sidalcea pedata) and Slender-petaled Mustard (Thelypodium stenopetalum) | View Implementation Progress | Final |
05/25/2011 | 76 FR 30377 30382 | Initiation of 5-Year Reviews of Species in California, Nevada, and the Klamath Basin of Oregon |
|
03/25/2009 | 74 FR 12878 12883 | Initiation of 5-Year Reviews of 58 Species in California, Nevada, Arizona, and Utah; Availability of Completed 5-Year Reviews in California and Nevada |
|
03/10/2011 | Thelypodium stenopetalum (slender-petaled mustard) 5-Year Review |