Ludwigia glandulosa Walter. Section: Isnardia. Small-flowered Seedbox. Phen: Jun-Sep. Hab: Low forests, marshes, ditches. Dist: E. MD south to n. FL, west to e. TX, north in the interior to c. TN, w. KY, s. IN, s. IL, se. MO, c. AR, and se. OK, primarily on the Southeastern Coastal Plain.

Origin/Endemic status: Native

Taxonomy Comments: A related species, treated by Peng as L. glandulosa ssp. brachycarpa (Torrey & A. Gray) Peng, ranges from sw. LA north and west to s. OK and c. TX. This species is tetraploid (n = 16).

Synonymy: = Va; = Ludwigia glandulosa Walter ssp. glandulosa – FNA10, K1, K3, Peng (1989), Wagner, Hoch, & Raven (2007); = n/a – Tat; < Ludwigia glandulosa Walter – C, F, G, GrPl, GW2, Il, NcTx, RAB, S, S13, Tn, Tx, WH3

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: OBL (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: OBL (taxonomic split from wetland indicator species)
• Great Plains: OBL (taxonomic split from wetland indicator species)
• Midwest: OBL (taxonomic split from wetland indicator species)

Heliophily: 7