Corydalis micrantha subsp. australis
Ann. Missouri Bot. Gard. 34: 222-224. 1947.
Stems usually weak. Inflorescences: racemes of chasmogamous flowers often greatly exceeding leaves, elongate; petal spur blunt, not globose at apex. Capsules slender, commonly 15-20 mm.
Phenology: Flowering very early–late spring.
Habitat: Abandoned fields and waste areas, roadsides, and open woods, in disturbed, often sandy soil
Elevation: 10-650 m
Ala., Ark., Fla., Ga., Ill., Kans., La., Miss., Mo., N.C., Okla., S.C., Tex.