- Arabis perennans – Perennial Rockcress
- Brassica tournefortii – Asian Mustard
- Capsella bursa-pastoris – Shepherd's Purse
- Chorispora tenella – Crossflower
- Draba cuneifolia – Wedgeleaf Draba
- Dryopetalon runcinatum – Rockmustard
- Erysimum capitatum – Sanddune Wallflower
- Guillenia lasiophylla – California Mustard
- Lesquerella gordonii – Gordon's Bladderpod
- Lesquerella purpurea – Rose Bladderpod
- Matthiola longipetala – Night Scented Stock
- Matthiola parviflora
- Nasturtium officinale – Watercress
- Schoenocrambe linearifolia – Slimleaf Plainsmustard
- Sisymbrium irio – London Rocket
- Streptanthus carinatus – Lyreleaf Jewelflower
- Thysanocarpus curvipes – Sand Fringepod
Brassicaceae – Mustard Family
Plants in the worldwide but primarily cool season Mustard Family (Brassicaceae) are annual, biennial, and perennial herbs and subshrubs with pungent juice, alternate or whorled leaves, bisexual flowers with 4 or 0 petals, 4 sepals, and a superior ovary, and fruit in the form of a capsule or a nut.
Listed below are some of the southeastern Arizona plants in this family.