Habitat: Growing in moist, sandy-loamy roadside soil. Found with A. hallii and A. alternifolium
Locality: McIntosh Co. --Along U.S. 17, 7.2 mi. N. of Darien, near King Swamp Creek culvert.
Habitat: Growing on wet sand along roadside ditch, with A. alternifolium and A. minus.
Locality: Volusia Co. --Along U.S. 17, 4.2 mi. S. of jct. Fla. 40 and U.S. 17 in Barberville, N. of Deleon Springs.
Habitat: Growing in sandy, roadside field among grass
Locality: Lake Co. --2.2 mi. E. of Mt. Plymouth and 2.4 mi. E. of jct. S-435 & Fla. 46, on Fla. 46. West of Sanford.