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 1314-2828-4-7964 Utricularia purpurea Walter Utricularia purpurea Taxon concept: [= RAB, GW, Weakley] Distribution Horseshoe Lake (Occasional): Howell HOLA−36 (NCSC!) Notes Annual or perennial herbs. Eulittoral and infralittoral zones; floating bogs (CPSI−CG). May−Sep. Fig. 159