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Ottelia af Africa as Asia Another odd and ancient plant transitional between lilies and something like Aponogeton and Ondinea.

Oxypolis canbyii filiformis occidentalis Water carrot. Grows in swamps, freshwater wetlands, and along the borders of ponds in the southeastern United States, as far north as Delaware, as well as the northern Bahamian pineyards of the Bahamas. Can be used as a marginal pond plant in warmer places.