United States, Florida, Columbia Co., Ichetucknee Springs State Park, Ichetucknee Springs State Park, 6 mi. NW of Fort White off of C-238; ca. 1 mi. SE of Headspring (at North Entrance), SE of Devil's Eye Spring on E side of river in an area known as Grassy Flats or the Rice Marsh. T6S, R16E, Sec. 7.
Spring-fed river; with Hydrocotyle verticillata, Boehmeria cylindrica, and Hymenocallis rotata.
{"frequency":"Infrequent","habit":"Aquatic herb; petals 4, white, young siliques green, 1 mm wide; seeds in 2 rows."}