Kalanchoe in Southern AfricaGideon F. Smith, Estrela Figueiredo, Abraham E. Van Wyk · First published 2019Open the Tome
Field Guide to Succulents of Southern AfricaGideon Smith, Neil Crouch, Estrela Figueiredo · First published 2017Open the Tome
Naturalised and invasive succulents of southern AfricaM. Walters, Estrela Figueiredo, Neil R. Crouch, Pieter J. D. Winter, Gideon Smith, Helmuth G. Zimmermann, Barbara K. Mashope, Belgium. Administration générale de la coopération au développement · First published 2011Open the Tome
