Spiranthes parksii
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| Status | Date Listed | Lead Region | Where Listed |
|---|---|---|---|
| Endangered | 05/06/1982 | Southwest Region (Region 2) | Wherever found |
| 03/16/2016 | 81 FR 14058 14072 | 90-Day Findings on 29 Petitions; Notice of petition findings and initiation of status reviews |
| 09/21/2007 | 72 FR 54059 54060 | 5-Year Review of 2 Species: Chihuahua Chub (Gila nigrescens) and Navasota Ladies'-Tresses (Spiranthes parksii) |
| 05/06/1982 | 47 FR 19539 19542 | ETWP; Determination of Spiranthes parksii (Navasota ladies'-tresses) to be an Endangered Species |
| 06/18/1980 | 45 FR 41326 41328 | ETWP; Proposal to Determine Spiranthes Parksii (Navasota Ladies'-Tresses) to be an Endangered Species |
No critical habitat rules have been published for the Navasota ladies'-tresses.
| 09/21/1984 | Navasota Ladies'-tresses | View Implementation Progress | Final |
| 09/21/1984 | Navasota Ladies'-tresses | View Implementation Progress | Final |
| 09/21/2007 | 72 FR 54059 54060 | 5-Year Review of 2 Species: Chihuahua Chub (Gila nigrescens) and Navasota Ladies'-Tresses (Spiranthes parksii) |
|
| 08/26/2009 | Navasota Ladies?-Tresses (Spiranthes parksii) 5-Year Review |
