Barbarea vulgaris

A common weed back in Indiana. It occurs in the southwest somewhere, too, but I haven't seen it yet out here.

Inflorescences near University Lake north of Bloomington, Indiana, 4/27/03.

Flowers near University Lake, 4/27/03.

Basal leaf near University Lake, 4/27/03.

Immature fruit south of Griffy Lake, north of Bloomington, IN, 6/20/03.