From Researchgate
John C Manning currently works at the Compton Herbarium, South African National Biodiversity Institute. John does research on the systematics of the South African flora in Botany. He specialises on Colchicaceae, Iridaceae, Haemodoraceae and Hyacinthaceae.
https://www.researchgate.net/profile/John-Manning
Links to 373 publications - latest dated Dec 2020