Valenzuela, Athena Jan, Brian S.Santos S. Santos, Jonas P. Quilang1 P. Quilang, & Ernelea P. Cao.
" Comparative Use of Meristic and Geomorphometric Analyses of Vegetative and Floral Characters in Studying Intraspecific Variation in Portulaca grandiflora (Hook)." <em>Science Diliman: A Journal of Pure and Applied Sciences</em> [Online], 23.2 (2011): n. pag. Web. 19 Aug. 2025