Potentilla kingii

Potentilla kingii
P. k. var. eremica
Vulnerable
Vulnerable  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Potentilla
Species:
P. kingii
Binomial name
Potentilla kingii
(S.Watson) Greene
Synonyms
  • Horkelia kingii (S.Watson) Rydb.
  • Ivesia kingii S.Watson

Potentilla kingii, also known as King's mousetail, is a species of flowering plant in the rose family.[1]

It is native to the southwestern United States, where it is known from eastern California, Nevada, and Utah.

Varieties

  • Ivesia kingii var. kingii, the King's Mousetail, or the King's ivesia, is known from California, Nevada, and Utah.[2]
  • Ivesia kingii var. eremica, the Ash Meadows Mousetail, or the Ash Meadows ivesia, is endemic to Ash Meadows in the Amargosa Desert, in Nye County, Nevada, on the California-Nevada border.[3] It is federally listed as a threatened species of the United States and is listed as a critically endangered and fully protected species by the State of Nevada.[4][5][6]

References

  1. ^ "Potentilla kingii (S.Watson) Greene | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2024-06-12.
  2. ^ NatureServe. "Ivesia kingii var. kingii". explorer.natureserve.org. Retrieved 2025-10-22.
  3. ^ Ivesia kingii. The Nature Conservancy.
  4. ^ USFWS. var. eremica. Species Profile.
  5. ^ Nevada Division of Natural Heritage (April 2025). "NDNH Current Track List". heritage.nv.gov. Retrieved 2025-10-22.
  6. ^ "NAC: CHAPTER 527 - PROTECTION AND PRESERVATION OF TIMBERED LANDS, TREES AND FLORA". www.leg.state.nv.us. Retrieved 2025-10-22.

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