Many of Polygonaceae are noxious weeds , some ornamentals , and buckwheat ( Fagopyrum ) and rhubarb ( Rheum ) foodstuffs .
少數可食, 如 蕎麥 和大黃;有一些是 觀賞植物.
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Numerous plant species, often crop plants or ornamentals, have been transported throughout the world by humans.
許多植物物種, 一般是農用作物或觀賞植物,被人們傳輸到世界各地.
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