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Heteranthera missouriensis C.N. Horn. Mississippi Mud-Plantain, Missouri Mud-Plantain. Phen: Jun-Oct. Hab: In shallow, stagnant water in floodplains, or emersed on mud, also ditches. Dist: IL west to NE, south to MS, centered in the Mississippi River Alluvial Plain.

Origin/Endemic status: Native

Taxonomy Comments: Formerly included in a broad concept of H. multiflora, which was considered to have three disjunct areas of distribution: H. multiflora s.s. (Argentina and Paraguay), H. missouriensis (centered in the Mississippi River Alluvial Plain), and H. pauciflora (Atlantic Coastal Plain from s. NJ to ne. NC).

Synonymy: = K4, Horn (2020); = n/a – RAB; < Heteranthera multiflora (Griseb.) Horn – Ar, C, FNA26, Il, K1, K3, Mo1, Tn, Horn (1998); < Heteranthera reniformis Ruiz & Pav. – F, S13

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Heliophily ?: 6

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image of plant© Paul Marcum source | Original Image ⭷
image of plant© Brandon Corder source | Original Image ⭷
image of plant© Paul Marcum source | Original Image ⭷
image of plant© Paul Marcum source | Original Image ⭷

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