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- Persicaria careyi, Persicaria glabra, Persicaria hirsuta, Persicaria hydropiper, Persicaria hydropiperoides, Persicaria lapathifolia, Persicaria longiseta10 KB (422 words) - 23:08, 5 November 2020
- poivre-d’eau WeedyIntroduced Basionym: Polygonum hydropiper Linnaeus Sp. Pl. 1: 361. 1753 Synonyms: Polygonum hydropiper var. projectum Stanford Treatment appears6 KB (608 words) - 23:08, 5 November 2020
- their epidermises. Persicaria punctata is confused most frequently with P. hydropiper; the achenes are diagnostic. The Chippewa, Houma, and Iroquois prepared7 KB (631 words) - 23:08, 5 November 2020