riverweed(redirected from Podostemaceae)
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Any of various aquatic plants of the family Podostemaceae, especially P. ceratophyllum of North America, which grows on rocks in rapidly flowing streams.
(Plants) a type of tropical and sub-tropical plant found growing near rivers out of hard surfaces like rock
any of several submerged aquatic plants of the genus Podostemum, family Podostemaceae, growing in rapid streams by clinging to stones with the roots.