Egan, Paul A., Stevenson, Philip C. ORCID: 0000-0002-0736-3619 , Tiedeken, Erin-Jo, Wright, Geraldine A., Boylan, Fabio and Stout, Jane C. (2016) Plant toxin levels in nectar vary spatially across native and introduced populations. Journal of Ecology, 104 (4). pp. 1106-1115. ISSN 0022-0477 (Print), 1365-2745 (Online) (doi:https://doi.org/10.1111/1365-2745.12573)