Pediocactus (=Echinocactus,=Utahia) sileri
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| Status | Date Listed | Lead Region | Where Listed |
|---|---|---|---|
| Threatened | 11/26/1979 | Southwest Region (Region 2) | Wherever found |
| 04/21/2006 | 71 FR 20714 20716 | 5-Year Review of 25 Southwestern Species |
| 12/27/1993 | 58 FR 68476 68480 | ETWP; Reclassification of the Plant Pediocactus Sileri (Siler Pincushion Cactus) from Endangered to Threatened Status |
| 03/10/1993 | 58 FR 13244 13249 | Proposed Rule to Reclassify the Plant Pediocactus sileri from Endangered to Threatened |
| 10/26/1979 | 44 FR 61786 61788 | Determination That Pediocactus sileri is an Endangered Species; |
| 06/16/1976 | 41 FR 24523 24572 | Proposed Endangered Status for 1700 U.S. Plants; 41 FR 24523 24572 |
No critical habitat rules have been published for the Siler Pincushion cactus.
| 04/14/1986 | Siler Pincushion Cactus | View Implementation Progress | Final |
| 04/14/1986 | Siler Pincushion Cactus | View Implementation Progress | Final |
| 04/21/2006 | 71 FR 20714 20716 | 5-Year Review of 25 Southwestern Species |
|
| 11/18/2008 | Siler Pincushion Cactus 5-Year Review |
