Grassleaf Barbara's-Buttons

Marshallia graminifolia is a perennial herb species, endemic to the coastal plains of the Southern United States, where it often grows in bogs and in sunny locations. Like all species in the genus Marshallia, it has the common name Barbara's buttons, and is specifically known as grassleaf Barbara's buttons. It has fragrant flowers.

M. graminifolia has two accepted subspecies, M. graminifolia subsp. graminifolia, and M. graminifolia subsp. tenuifolia (commonly known as narrowleaf Barbara's buttons or slim leaf Barbara's buttons).