| Physaria acutifolia Rydb. |
Accepted |
5 |
| Physaria alpestris Suksd. |
Accepted |
26 |
| Physaria angustifolia (Nutt.) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria arenosa (Richardson) O'Kane & Al-Shehbaz |
Accepted |
9 |
| Physaria arenosa subsp. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz |
Accepted |
13 |
| Physaria argentea (S. Schauer) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria argyraea (A. Gray) O'Kane & Al-Shehbaz |
Accepted |
9 |
| Physaria argyraea subsp. diffusa (Rollins) O'Kane & Al-Shehbaz |
Accepted |
7 |
| Physaria arizonica (S. Watson) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria aurea (Wooton) O'Kane & Al-Shehbaz |
Accepted |
7 |
| Physaria bellii G. A. Mulligan |
Accepted |
4 |
| Physaria berlandieri (S. Watson) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria brassicoides Rydb. |
Accepted |
4 |
| Physaria calcicola (Rollins) O'Kane & Al-Shehbaz |
Accepted |
10 |
| Physaria calderi (G. A. Mulligan & A. E. Porsild) O'Kane & Al-Shehbaz |
Accepted |
10 |
| Physaria chambersii Rollins |
Accepted |
5 |
| Physaria cinerea (S. Watson) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria cordiformis Rollins |
Accepted |
5 |
| Physaria densiflora (A. Gray) O'Kane & Al-Shehbaz |
Accepted |
7 |
| Physaria didymocarpa (Hook.) A. Gray |
Accepted |
8 |
| Physaria didymocarpa subsp. lanata (A. Nelson) O'Kane |
Accepted |
4 |
| Physaria didymocarpa subsp. lyrata (C. L. Hitchc.) O'Kane |
Accepted |
12 |
| Physaria douglasii (S. Watson) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria engelmannii (A. Gray) O'Kane & Al-Shehbaz |
Accepted |
12 |
| Physaria fendleri (A. Gray) O'Kane & Al-Shehbaz |
Accepted |
6 |
| Physaria filiformis (Rollins) O'Kane & Al-Shehbaz |
Accepted |
7 |
| Physaria floribunda Rydb. |
Accepted |
5 |
| Physaria geyeri (Hook.) A. Gray |
Accepted |
4 |
| Physaria geyeri subsp. purpurea (Rollins) O'Kane |
Accepted |
4 |
| Physaria globosa (Desv.) O'Kane & Al-Shehbaz |
Accepted |
7 |
| Physaria gordonii (A. Gray) O'Kane & Al-Shehbaz |
Accepted |
6 |
| Physaria gracilis (Hook.) O'Kane & Al-Shehbaz |
Accepted |
6 |
| Physaria gracilis subsp. nuttallii (Torr. & A. Gray) O'Kane & Al-Shehbaz |
Accepted |
6 |
| Physaria inflata (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz |
Accepted |
9 |
| Physaria intermedia (S. Watson) O'Kane & Al-Shehbaz |
Accepted |
9 |
| Physaria kingii subsp. diversifolia (Greene) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria kingii subsp. latifolia (A. Nelson) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria lepidota Rollins |
Accepted |
8 |
| Physaria lepidota subsp. membranacea (Rollins) O'Kane |
Accepted |
4 |
| Physaria lindheimeri (A. Gray) O'Kane & Al-Shehbaz |
Accepted |
6 |
| Physaria mcvaughiana (Rollins) O'Kane & Al-Shehbaz |
Accepted |
6 |
| Physaria mendocina (Phil.) O'Kane & Al-Shehbaz |
Accepted |
25 |
| Physaria montana (A. Gray) Greene |
Accepted |
5 |
| Physaria newberryi A. Gray |
Accepted |
8 |
| Physaria occidentalis (S. Watson) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria oregona S. Watson |
Accepted |
4 |
| Physaria ovalifolia (Rydb.) O'Kane & Al-Shehbaz |
Accepted |
18 |
| Physaria ovalifolia subsp. alba (Goodman) O'Kane & Al-Shehbaz |
Accepted |
6 |
| Physaria pallida (Torr. & A. Gray) O'Kane & Al-Shehbaz |
Accepted |
6 |
| Physaria palmeri (S. Watson) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria parvula (Greene) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria peninsularis (Wiggins) O'Kane & Al-Shehbaz |
Accepted |
24 |
| Physaria pinetorum (Wooton & Standl.) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria purpurea (A. Gray) O'Kane & Al-Shehbaz |
Accepted |
9 |
| Physaria rectipes (Wooton & Standl.) O'Kane & Al-Shehbaz |
Accepted |
9 |
| Physaria recurvata (Engelm.) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria reediana O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria rollinsii G. A. Mulligan |
Accepted |
4 |
| Physaria schaffneri (S. Watson) O'Kane & Al-Shehbaz |
Accepted |
6 |
| Physaria sessilis (S. Watson) O'Kane & Al-Shehbaz |
Accepted |
6 |
| Physaria subumbellata (Rollins) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria tenella (A. Nelson) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria thamnophila (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz |
Accepted |
8 |
| Physaria valida (Greene) O'Kane & Al-Shehbaz |
Accepted |
5 |
| Physaria vitulifera Rydb. |
Accepted |
8 |
| Physaria arctica (Wormsk.) O'Kane & Al-Shehbaz |
Synonym of Lesquerella arctica (Wormsk.) S. Watson |
30 |
| Physaria ludoviciana (Nutt.) O'Kane & Al-Shehbaz |
Synonym of Lesquerella ludoviciana (Nutt.) S. Watson |
5 |
| Physaria australis (Payson) Rollins |
Synonym of Physaria acutifolia Rydb. |
5 |
| Lesquerella angustifolia (Nutt.) S. Watson |
Synonym of Physaria angustifolia (Nutt.) O'Kane & Al-Shehbaz |
5 |
| Lesquerella arenosa (Richardson) Rydb. |
Synonym of Physaria arenosa (Richardson) O'Kane & Al-Shehbaz |
9 |
| Physaria arenosa subsp. arenosa |
Synonym of Physaria arenosa (Richardson) O'Kane & Al-Shehbaz |
9 |
| Lesquerella argentea (S. Schauer) S. Watson |
Synonym of Physaria argentea (S. Schauer) O'Kane & Al-Shehbaz |
5 |
| Lesquerella arizonica S. Watson |
Synonym of Physaria arizonica (S. Watson) O'Kane & Al-Shehbaz |
5 |
| Lesquerella aurea Wooton |
Synonym of Physaria aurea (Wooton) O'Kane & Al-Shehbaz |
7 |
| Lesquerella calcicola Rollins |
Synonym of Physaria calcicola (Rollins) O'Kane & Al-Shehbaz |
10 |
| Lesquerella calderi G. A. Mulligan & A. E. Porsild |
Synonym of Physaria calderi (G. A. Mulligan & A. E. Porsild) O'Kane & Al-Shehbaz |
10 |
| Lesquerella cinerea S. Watson |
Synonym of Physaria cinerea (S. Watson) O'Kane & Al-Shehbaz |
5 |
| Lesquerella densiflora (A. Gray) S. Watson |
Synonym of Physaria densiflora (A. Gray) O'Kane & Al-Shehbaz |
7 |
| Physaria didymocarpa subsp. didymocarpa |
Synonym of Physaria didymocarpa (Hook.) A. Gray |
8 |
| Physaria didymocarpa var. lanata A. Nelson |
Synonym of Physaria didymocarpa subsp. lanata (A. Nelson) O'Kane |
4 |
| Physaria didymocarpa var. lyrata C. L. Hitchc. |
Synonym of Physaria didymocarpa subsp. lyrata (C. L. Hitchc.) O'Kane |
12 |
| Lesquerella douglasii S. Watson |
Synonym of Physaria douglasii (S. Watson) O'Kane & Al-Shehbaz |
5 |
| Lesquerella engelmannii (A. Gray) S. Watson |
Synonym of Physaria engelmannii (A. Gray) O'Kane & Al-Shehbaz |
12 |
| Lesquerella engelmannii subsp. engelmannii |
Synonym of Physaria engelmannii (A. Gray) O'Kane & Al-Shehbaz |
12 |
| Lesquerella filiformis Rollins |
Synonym of Physaria filiformis (Rollins) O'Kane & Al-Shehbaz |
7 |
| Physaria floribunda subsp. floribunda |
Synonym of Physaria floribunda Rydb. |
5 |
| Physaria geyeri (. L. Gray |
Synonym of Physaria geyeri (Hook.) A. Gray |
4 |
| Physaria geyeri subsp. geyeri |
Synonym of Physaria geyeri (Hook.) A. Gray |
4 |
| Physaria geyeri var. purpurea Rollins |
Synonym of Physaria geyeri subsp. purpurea (Rollins) O'Kane |
4 |
| Lesquerella globosa (Desv.) S. Watson |
Synonym of Physaria globosa (Desv.) O'Kane & Al-Shehbaz |
7 |
| Lesquerella gordonii (A. Gray) S. Watson |
Synonym of Physaria gordonii (A. Gray) O'Kane & Al-Shehbaz |
6 |
| Lesquerella gracilis (Hook.) S. Watson |
Synonym of Physaria gracilis (Hook.) O'Kane & Al-Shehbaz |
6 |
| Physaria gracilis subsp. gracilis |
Synonym of Physaria gracilis (Hook.) O'Kane & Al-Shehbaz |
6 |
| Lesquerella gracilis var. repanda (Nutt.) Payson |
Synonym of Physaria gracilis subsp. nuttallii (Torr. & A. Gray) O'Kane & Al-Shehbaz |
6 |
| Physaria didymocarpa var. integrifolia Rollins |
Synonym of Physaria integrifola (Rollins) Lichvar |
8 |
| Physaria integrifola |
Synonym of Physaria integrifola (Rollins) Lichvar |
8 |
| Lesquerella intermedia (S. Watson) A. Heller |
Synonym of Physaria intermedia (S. Watson) O'Kane & Al-Shehbaz |
9 |
| Lesquerella kingii subsp. latifolia (A. Nelson) Rollins & E. A. Shaw |
Synonym of Physaria kingii subsp. latifolia (A. Nelson) O'Kane & Al-Shehbaz |
5 |
| Lesquerella latifolia A. Nelson |
Synonym of Physaria kingii subsp. latifolia (A. Nelson) O'Kane & Al-Shehbaz |
5 |
| Lesquerella wardii S. Watson |
Synonym of Physaria kingii subsp. latifolia (A. Nelson) O'Kane & Al-Shehbaz |
5 |
| Physaria wardii (S. Watson) O'Kane & Al-Shehbaz |
Synonym of Physaria kingii subsp. latifolia (A. Nelson) O'Kane & Al-Shehbaz |
5 |
| Physaria lepidota subsp. lepidota |
Synonym of Physaria lepidota Rollins |
8 |
| Physaria lepidota var. membranacea (Rollins) Rollins |
Synonym of Physaria lepidota subsp. membranacea (Rollins) O'Kane |
4 |
| Lesquerella lindheimeri (A. Gray) S. Watson |
Synonym of Physaria lindheimeri (A. Gray) O'Kane & Al-Shehbaz |
6 |
| Lesquerella mendocina (Phil.) Kurtz |
Synonym of Physaria mendocina (Phil.) O'Kane & Al-Shehbaz |
25 |
| Lesquerella montana (A. Gray) S. Watson |
Synonym of Physaria montana (A. Gray) Greene |
5 |
| Physaria newberryi subsp. newberryi |
Synonym of Physaria newberryi A. Gray |
8 |
| Physaria occidentalis subsp. occidentalis |
Synonym of Physaria occidentalis (S. Watson) O'Kane & Al-Shehbaz |
5 |
| Lesquerella engelmannii subsp. ovalifolia (Rydb.) C. Clark |
Synonym of Physaria ovalifolia (Rydb.) O'Kane & Al-Shehbaz |
18 |
| Physaria ovalifolia subsp. ovalifolia |
Synonym of Physaria ovalifolia (Rydb.) O'Kane & Al-Shehbaz |
18 |
| Lesquerella engelmannii subsp. alba (Goodman) C. Clark |
Synonym of Physaria ovalifolia subsp. alba (Goodman) O'Kane & Al-Shehbaz |
6 |
| Lesquerella ovalifolia var. alba Goodman |
Synonym of Physaria ovalifolia subsp. alba (Goodman) O'Kane & Al-Shehbaz |
6 |
| Lesquerella palmeri S. Watson |
Synonym of Physaria palmeri (S. Watson) O'Kane & Al-Shehbaz |
5 |
| Lesquerella peninsularis Wiggins |
Synonym of Physaria peninsularis (Wiggins) O'Kane & Al-Shehbaz |
24 |
| Lesquerella pinetorum Wooton & Standl. |
Synonym of Physaria pinetorum (Wooton & Standl.) O'Kane & Al-Shehbaz |
5 |
| Lesquerella rectipes Wooton & Standl. |
Synonym of Physaria rectipes (Wooton & Standl.) O'Kane & Al-Shehbaz |
9 |
| Lesquerella recurvata (Engelm.) S. Watson |
Synonym of Physaria recurvata (Engelm.) O'Kane & Al-Shehbaz |
5 |
| Lesquerella alpina (Nutt.) S. Watson |
Synonym of Physaria reediana O'Kane & Al-Shehbaz |
5 |
| Lesquerella schaffneri (S. Watson) S. Watson |
Synonym of Physaria schaffneri (S. Watson) O'Kane & Al-Shehbaz |
6 |
| Lesquerella sessilis (S. Watson) Small |
Synonym of Physaria sessilis (S. Watson) O'Kane & Al-Shehbaz |
6 |
| Lesquerella alpina var. spatulata (Rydb.) Payson |
Synonym of Physaria spatulata (Rydb.) Grady & O'Kane |
5 |
| Physaria reediana subsp. spatulata (Rydb.) O'Kane & Al-Shehbaz |
Synonym of Physaria spatulata (Rydb.) Grady & O'Kane |
5 |
| Lesquerella subumbellata Rollins |
Synonym of Physaria subumbellata (Rollins) O'Kane & Al-Shehbaz |
5 |
| Lesquerella tenella A. Nelson |
Synonym of Physaria tenella (A. Nelson) O'Kane & Al-Shehbaz |
5 |
| Lesquerella valida Greene |
Synonym of Physaria valida (Greene) O'Kane & Al-Shehbaz |
5 |