Where Listed: WHEREVER FOUND
|Status||Date Listed||Lead Region||Where Listed|
|10/11/1979||Mountain-Prairie Region (Region 6)||Wherever found Additional species information|
» Federal Register Documents
|09/18/2007||72 FR 53211 53222||12-month Finding on a Petition To List Sclerocactus brevispinus (Pariette cactus) as an Endangered or Threatened Species; Taxonomic Change From Sclerocactus glaucus to Sclerocactus brevispinus, S. glaucus, and S. wetlandicus|
|12/14/2006||71 FR 75215 75220||90-Day Finding on a Petition To Remove the Uinta Basin Hookless Cactus From the List of Endangered and Threatened Plants; 90-Day Finding on a Petition To List the Pariette Cactus as Threatened or Endangered|
|10/11/1979||44 FR 58868 58870||ETWP; Determination that Sclerocactus glaucus is a Threatened Species|
|02/28/1996||61 FR 7597 7613||ETWP; Review of Plant and Animal Taxa That Are Candidates for Listing as Endangered or Threatened Species|
|06/16/1976||41 FR 24523 24572||Proposed Endangered Status for 1700 U.S. Plants; 41 FR 24523 24572|
|09/15/2009||74 FR 47112 47117||Taxonomic Change of Sclerocactus Glaucus to Three Separate Species|
|Date||Title||Plan Action Status||Plan Status|
|04/14/2010||Sclerocactus glaucus (Colorado hookless cactus) Recovery Outline||Recovery efforts in progress, but no implementation information yet to display||Outline|
|Date||Citation Page||Title||Document Type|
|12/14/2006||71 FR 75215 75220||90-Day Finding on a Petition To Remove the Uinta Basin Hookless Cactus From the List of Endangered and Threatened Plants; 90-Day Finding on a Petition To List the Pariette Cactus as Threatened or Endangered||
|03/28/2008||Uinta Basin hookless cactus 5-Year Review|
» Critical Habitat
No critical habitat rules have been published for the Colorado hookless Cactus.
» Conservation Plans
No conservation plans have been created for Colorado hookless Cactus.
» 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.