Found 2 items, similar to Horned pondweed.
English → English (WordNet) Definition: horned pondweed horned pondweed n : found in still or slow-moving fresh or brackish water; useful to oxygenate cool water ponds and aquaria [syn: Zannichellia palustris ]
English → English (gcide) Definition: Horned pondweed Pondweed \Pond"weed`\, n. (Bot.) Any aquatic plant of the genus Potamogeton, of which many species are found in ponds or slow-moving rivers. [1913 Webster] Choke pondweed, an American water weed (Anarcharis Canadensis , syn. Elodea Canadensis.) See Anacharis. Horned pondweed, the Zannichellia palustris, a slender, branching aquatic plant, having pointed nutlets. [1913 Webster]