S A Salazar M., G J Valderrama R., and J D Quintero C., “Effect of colchicine on <i>Kalanchoe daigremontiana</i> Raym.-Hamet & H.Perrier (Crassulaceae) leaf morphology and stomates”, Rev. Colomb. Cienc. Hortic, vol. 12, no. 1, pp. 212–222, May 2018.