DOI: 10.32900/2312-8402-2024-131-175-186
Keywords: medicinal plants, seed quality, echinacea extracts, purple echinacea, pale echinacea, forest mallow, blue cornflower, St. John's wort
DOI: 10.32900/2312-8402-2024-131-175-186
Keywords: medicinal plants, seed quality, echinacea extracts, purple echinacea, pale echinacea, forest mallow, blue cornflower, St. John's wort