Habitat: Growing in sand along bank of roadside ditch.
Locality: Volusia Co. --Along U.S. 17, 4.2 mi. S. of jct. with Fla. 40, in Barberville, N. of DeLeon Springs.
Habitat: Growing on sandy, loamy soil among grass with A. hallii, A. alternifolium, A. tenerrimum and A. ohioense.
Locality: McIntosh Co. --Along U.S. 17, 7.2 mi. N. of Darien, near culvert crossing Kings Swamp creek.