Guide to the littoral zone vascular flora of Carolina bay lakes (U. S. A.) Author Howell, Nathan Author Krings, Alexander Author Braham, Richard R text Biodiversity Data Journal 2016 4 7964 7964 http://dx.doi.org/10.3897/BDJ.4.e7964 journal article http://dx.doi.org/10.3897/BDJ.4.e7964 1314-2828--7964 Sagittaria graminea Michx. Sagittaria graminea Taxon concept: [= S. graminea Michx. var. graminea - RAB, GW; = S. graminea Michx. ssp. graminea - FNA; = Weakley] Distribution Lake Waccamaw (Frequent): Howell LAWA−19, 57 (NCSC!); Radfords.n. (NCU!); ♦ Notes Perennial herbs. Eulittoral zone (NLSS−LW, NLSM−LWP). May−Nov. Fig. 31