For Trianthema
Boetsch, J.R. 2002. The Aizoaceae and Molluginaceae of the southeastern United States. Castanea 67: 42-53.
Ferren, W.R., Jr. 2003c. Trianthema. In Flora of North America Editorial Committee. 2003b. Flora of North America north of Mexico. Volume 4, Magnoliophyta: Caryophyllidae, part 1. Oxford Univ. Press, New York, NY. 559 pp.
Hartmann In Kubitzki, K., J.G. Rohwer, and V. Bittrich, eds. 1993. The families and genera of vascular plants. II. Flowering plants – Dicotyledons – Magnoliid, Hamamelid and Caryophyllid families. Springer, Berlin. 653 pp.
Hartmann, H.E.K., U. Meve, and S. Liede-Schumann. 2011. Towards a revision of Trianthema, the Cinderella of Aizoaceae. Plant Ecology and Evolution 144: 177-213.