• • • Plants of the genus Heracleum L. on hayfields and pastures of the forest zone of the European part of Russia

• • • Plants of the genus Heracleum L. on hayfields and pastures of the forest zone of the European part of Russia During ontogenesis, all plants synthesize various organic substances, which are the products of primary and secondary metabolism. They are conventionally included active, or biologically active (BAC), related…

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