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Key for the identification of several knotgrass (Polygonum) species


, : Key for the identification of several knotgrass (Polygonum) species. NachrBl. dt. PflSchutzdienst, Stuttg., 22: 1, 2-4. Bibl. 10

Several knotgrass species are classified according to their morphological and anatomical features at the seedling stage as an aid to their early recognition in the field.

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