Ruiz Guajardo, J. C. (2018) “Differences in pollination syndromes and the frequency of autonomous delayed selfing between co-flowering Hibiscus aponeurus (Sprague and Hutch) and H. flavifolius (Ulbr) from Kenya”, Journal of Pollination Ecology, 22, pp. 21–34. doi: 10.26786/1920-7603(2018)three.