|Status||Date Listed||Lead Region||Where Listed|
|Southwest Region (Region 2)|
» Candidate Information
» Federal Register Documents
|02/21/1990||55 FR 6184 6229||ETWP; Review of Plant Taxa for Listing as Endangered or Threatened Species; Notice of Review; 55 FR 6184 6229|
|07/01/1975||40 FR 27924||Review of Status of Vascular Plants|
|12/15/1980||45 FR 82480 82569||Review of Plant Taxa for Listing as Endangered or Threatened Species|
|09/30/1993||58 FR 51144 51190||ETWP; Review of Plant Taxa for Listing as Endangered or Threatened Species|
|11/28/1983||48 FR 53640 53670||Supplement to Review of Plant Taxa for Listing as End. or Thr. Species; 48 FR 53640-53670|
|09/27/2011||76 FR 59836 59862||Partial 90-Day Finding on a Petition To List 404 Species in the Southeastern United States as Endangered or Threatened With Critical Habitat|
|09/27/1985||50 FR 39526 39584||Review of Plant Taxa for Listing as End. or Thr. Species; Notice of Review; 50 FR 39526-39584|
» Conservation Plans
No conservation plans have been created for Texas screwstem.
» 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.