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- Polygonum (section Key to the Sections of Polygonum)subfam. Polygonoideae genusPolygonum Show Lower Taxa Polygonum humifusum, Polygonum sect. Duravia, Polygonum sect. Polygonum Linnaeus Sp. Pl. 1: 359. 17536 KB (649 words) - 23:08, 5 November 2020