Lesquerella is a genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of flowering plants in the family
Brassicaceae

Brassicaceae

Brassicaceae, a medium sized and economically important family of flowering plants , are informally known as the mustards, mustard flowers, the crucifers or the cabbage family....

. Some are referred to by the common name

Common name

A common name of a taxon or organism is a name in general use within a community; it is often contrasted with the scientific name for the same organism...

 Bladderpod and bladderpod oil

Bladderpod oil

Bladderpod oil is a seed oil, extracted from the seeds of the Lesquerella fendleri and other species of genus Lesquerella, Native to the plains and mesas of southwestern United States, eastward to Kansas and southward into northern Mexico. Bladderpod oil is rich in lesquerolic acid which is a...

 is extracted from the seeds of Lesquerella fendleri

Lesquerella fendleri

Lesquerella fendleri is a species of flowering plant in the mustard family known by several common names, including Fendler's bladderpod, yellowtop, and, simply, lesquerella. It is best known as the richest source of bladderpod oil. Most Lesquerella species contain the hydroxy acid lesquerolic acid...

and certain other species in the genus.

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

Recent work has suggested that Lesquerella is indistinct from the genus Physaria

Physaria

Physaria is a genus of flowering plants in the mustard family. Many species are known generally as twinpods. They are native to the Americas, with many species endemic to western North America. They are densely hairy perennial herbs often growing prostrate or decumbent, along the ground in patches...

and it would be proper to unite both genera under Physaria.

Species include:

• Lesquerella alpina (Nutt.) S. Watson
• Lesquerella angustifolia (Nutt.) S. Watson
• Lesquerella arctica (Wormsk.
  Morten Wormskjold
  Morten Wormskjold was a Danish botanist and explorer. He collected plants in Greenland and Kamchatka.- Early life :...
  
   ex Hornem.
  Jens Wilken Hornemann
  Jens Wilken Hornemann was a Danish botanist.-Biography:He was a lecturer at the University of Copenhagen Botanical Garden from 1801. After the death of Martin Vahl in 1804, the task of publishing the Flora Danica was given to Hornemann, who subsequently issued fasc. 22-39 with a total of 1080...
  
  ) S. Watson
• Lesquerella arenosa (Richardson) Rydb.
• Lesquerella argyraea (A. Gray) S. Watson
• Lesquerella arizonica S. Watson
• Lesquerella aurea Wooton
• Lesquerella auriculata (Engelm. & A. Gray) S. Watson
• Lesquerella calcicola Rollins
• Lesquerella calderi G. A. Mulligan & A. E. Porsild
• Lesquerella carinata Rollins
• Lesquerella cinerea S. Watson
• Lesquerella condensata A. Nelson
• Lesquerella congesta
  Lesquerella congesta
  Lesquerella congesta is a rare species of flowering plant in the mustard family known by the common name Dudley Bluffs bladderpod. It is endemic to western Colorado in the United States, where it is known only from seven occurrences in Rio Blanco County...
  
  Rollins
• Lesquerella cordiformis (Rollins) Rollins & E. A. Shaw
• Lesquerella densiflora (A. Gray) S. Watson
• Lesquerella densipila Rollins
• Lesquerella douglasii S. Watson
• Lesquerella engelmannii (A. Gray) S. Watson
• Lesquerella fendleri
  Lesquerella fendleri
  Lesquerella fendleri is a species of flowering plant in the mustard family known by several common names, including Fendler's bladderpod, yellowtop, and, simply, lesquerella. It is best known as the richest source of bladderpod oil. Most Lesquerella species contain the hydroxy acid lesquerolic acid...
  
  (A. Gray) S. Watson
• Lesquerella filiformis Rollins
• Lesquerella fremontii' Rollins & E. A. Shaw
• Lesquerella garrettii Payson
• Lesquerella globosa (Desv.) S. Watson
• Lesquerella gooddingii Rollins & E. A. Shaw
• Lesquerella goodrichii Rollins
• Lesquerella gordonii (A. Gray) S. Watson
• Lesquerella gracilis (Hook.) S. Watson
• Lesquerella grandiflora (Hook.) S. Watson
• Lesquerella hemiphysaria Maguire
• Lesquerella hitchcockii Munz
• Lesquerella humilis Rollins
• Lesquerella intermedia (S. Watson) A. Heller
• Lesquerella kaibabensis Rollins
• Lesquerella kingii
  Lesquerella kingii
  Lesquerella kingii is a species of flowering plant in the mustard family known by the common name King bladderpod. It is native to western North America from Utah to Baja California, where it grows in dry and rocky habitat, such as deserts and adjacent mountain slopes. This is a perennial herb...
  
  (S. Watson) S. Watson
• Lesquerella klausii Rollins
• Lesquerella lasiocarpa (Hook. ex A. Gray) S. Watson
• Lesquerella lata Wooton & Standl.
• Lesquerella lescurii
  Lesquerella lescurii
  Lesquerella lescurii is a species of flowering plant in the mustard family known by the common names Lescur's bladderpod or Nashville mustard. It is endemic to Middle Tennessee, where it can be found in wet fields, lawns, and roadsides...
  
  (A. Gray) S. Watson
• Lesquerella lindheimeri (A. Gray) S. Watson
• Lesquerella ludoviciana (Nutt.) S. Watson
• Lesquerella lyrata
  Lesquerella lyrata
  Lesquerella lyrata is a rare species of flowering plant in the mustard family known by the common name lyreleaf bladderpod. It is endemic to Alabama in the United States, where it is known from only three occurrences. It is federally listed as a threatened species.This is an annual herb growing...
  
  Rollins
• Lesquerella macrocarpa A. Nelson
• Lesquerella × maxima' (Rollins) Rollins
• Lesquerella mcvaughiana Rollins
• Lesquerella mexicana Rollins
• Lesquerella montana (A. Gray) S. Watson
• Lesquerella multiceps Maguire
• Lesquerella occidentalis (S. Watson) S. Watson
• Lesquerella ovalifolia Rydb. ex Britton
• Lesquerella pallida
  Lesquerella pallida
  Lesquerella pallida is a rare species of flowering plant in the mustard family known by the common name white bladderpod. It is endemic to Texas in the United States, where it is known only from San Augustine County. It is federally listed as an endangered species.This is an annual herb growing...
  
   (Torr. & A. Gray) S. Watson
• Lesquerella palmeri S. Watson
• Lesquerella parviflora Rollins
• Lesquerella parvula Greene
• Lesquerella paysonii Rollins
• Lesquerella perforata
  Lesquerella perforata
  Lesquerella perforata is a rare species of flowering plant in the mustard family known by the common name Spring Creek bladderpod. It is endemic to Tennessee in the United States, where it is known only from Wilson County. This very rare plant is threatened by the loss and degradation of its habitat...
  
  Rollins
• Lesquerella pinetorum Wooton & Standl.
• Lesquerella prostrata A. Nelson
• Lesquerella pruinosa Greene
• Lesquerella purpurea (A. Gray) S. Watson
• Lesquerella rectipes Wooton & Standl.
• Lesquerella recurvata (Engelm. ex A. Gray) S. Watson
• Lesquerella rubicundula Rollins
• Lesquerella schaffneri (S. Watson) S. Watson
• Lesquerella sessilis (S. Watson) Small
• Lesquerella stonensis Rollins
• Lesquerella subumbellata Rollins
• Lesquerella tenella
  Lesquerella tenella
  Lesquerella tenella is a species of flowering plant in the mustard family known by the common names Moapa bladderpod and slender bladderpod. It is native to western North America from Utah to Sonora, where it grows mainly in desert habitat. This is an annual herb producing several hairy...
  
  A. Nelson
• Lesquerella thamnophila
  Lesquerella thamnophila
  Lesquerella thamnophila is a rare species of flowering plant in the mustard family known by the common name Zapata bladderpod. It is native to Texas in the United States, where it is known from Zapata and Starr Counties. The plant is threatened by the loss and degradation of its habitat...
  
  Rollins & E. A. Shaw
• Lesquerella tumulosa
  Lesquerella tumulosa
  Lesquerella tumulosa is a rare species of flowering plant in the mustard family known by the common name Kodachrome bladderpod. It is endemic to Utah in the United States, where it is known only from Kane County. There is only one known population of this plant made up of scattered occurrences...
  
  
• Lesquerella utahensis Rydb.
• Lesquerella valida Greene
• Lesquerella wardii S. Watson