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Lesquerella tenella 2.jpg
Physaria tenella, formerly "Lesquerella tenella"
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Brassicales
Family: Brassicaceae
Genus: "Lesquerella"
S. Watson


Lesquerella is the former name of a genus of flowering plants in the family Brassicaceae.[1] Recent work has shown that Lesquerella is indistinct from the genus Physaria and both genera have been united under Physaria.[2] In addition, the former Lesquerella of the southeastern United States have been moved to the genus Paysonia since 2002. [3] The genus Lesquerella is now no longer applied to any species and is considered defunct.

The genus is named in honor of Leo Lesquereux, 1805-1889, Swiss and American Botanist.[4]


  1. ^ Genus: Lesquerella S. Watson USDA GRIN Taxonomy for Plants
  2. ^ Ihsan A. Al-Shehbaz and Steve L. O'Kane, Jr. "Lesquerella Is United with Physaria (Brassicaceae)" Novon Vol. 12, No. 3 (Autumn, 2002), pp. 319-329
  3. ^ Paysonia, a New Genus Segregated from Lesquerella (Brassicaceae)" Novon Vol. 12, No. 3 (Autumn, 2002), pp. 379-381
  4. ^ Serano Watson, "Contributions to American Botany, XV" Proceedings of the American Academy of Arts and Sciences 23 (1888) 249-287.