*Hygrophila polysperma (Roxburgh) T. Anderson. East Indian Swampweed, Hygro, Miramar-weed, East Indian Hygrophila. Hab: Lakes, rivers, canals; established in AL, FL, and SC (Hook & Nelson 2011), doubtfully established in VA. Dist: Native of the East Indies. Grown for the aquarium trade, and sporadically introduced to bodies of water, apparently well-established in FL (Les & Wunderlin 1981).
Origin/Endemic status: E. and se. Asia
Synonymy: = Fl6, GW2, K1, K3, WH3, Les & Wunderlin (1981), Long (1970), Wasshausen (1998); = n/a – C, F, RAB, S, SFla
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
- Great Plains: OBL
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