Senecio x baxteri Druce (S. squalidus L. x S. vulgaris L.) 35 On top of embankment of disused railway, between Toft & Bourn, 35-55-, RIS Brettell & AC Leslie, 12.8.1977 (2n = 30 conf. RIS Brettell), CGE, 1st natural occurrence of this hybrid, Wats.12.(2):174. 45 Shepreth Station, GMS Easy, 26.7.1987.
