| Author | L. | |
| Distribution | Two counties each in the Mountains and the Piedmont.
Native of Eurasia; in N.A. essentially throughout. | |
| Abundance | Very rare. | |
| Habitat | Campus weed, roadside near river, shrub border. | |
| Phenology | Flowering and fruiting April-June. | |
| Identification | White Mustard may reach 3 feet tall or more, but will also flower when much shorter. The stems are hispid/hairy. The basal leaves are oblong or ovate in outline, the margins lyrate to pinnatisect. The middle and upper stem leaves vary from merely toothed to having a few small lobes. The flowers are pale to bright yellow. The pods are rather constricted between the seeds, hispid, and with a long, compressed beak. S. arvensis differs in its smooth pods that are not compressed. | |
| Taxonomic Comments | Often named as Brassica hirta.
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| Other Common Name(s) | | |
| State Rank | SE | |
| Global Rank | GNR | |
| State Status | | |
| US Status | | |
| USACE-agcp | FAC link |
| USACE-emp | FAC link |
