Habitat: Growing in moist, sandy, loamy roadside soil. Found with A. ohioense and A. alternifolium.
Locality: McIntosh Co. --Along U.S. 17, 7.2 mi. N. of Darien, near King Swamp Creek culvert.
Habitat: Growing on sandy, loamy soil among grass with A. hallii, A. alternifolium, A. tenerrimum, and A. minus.
Locality: McIntosh Co. --Along U.S. 17, 7.2 mi. N. of Darien, near culvert across Kings Swamp creek.