Bibliografisk träff 2011-08-05 Pyrrolizidine alkaloid variation in shoots and roots of segregating hybrids between Jacobaea vulgaris and Jacobaea aquatica. Cheng D, Kirk H, Mulder PPJ, Vrieling K, Klinkhamer PGL. New Phytol · research support, non-u.s. gov't; journal article · DOI 10.1111/j.1469-8137.2011.03841.x