References
For Ripariosida
Fryxell, P.A. 1985. Sidus sidarum V. The North and Central American species of Sida. Sida 11: 62-91. Google Scholar
Fryxell, P.A., and S.R. Hill. 2015m. Sida. In Flora of North America Editorial Committee. 2015. Flora of North America north of Mexico. Volume 6, Magnoliophyta: Cucurbitaceae to Droseraceae. Oxford Univ. Press, New York, NY. 468 pp. Google Scholar
Fuertes Aguilar, J., P.A. Fryxell, and R.K. Jansen. 2003. Phylogenetic relationships and classification of the Sida generic alliance (Malvaceae) based on nrDNA ITS evidence. Syst. Bot. 28: 352-364. Google Scholar
Weakley, A.S., and D.B. Poindexter. 2017. A new genus for the phylogenetically, biogeographically, and morphologically isolated Sida hermaphrodita. In Weakley, A.S., D.B. Poindexter, R.J. LeBlond, B.A. Sorrie, C.H. Karlsson, P.J. Williams, E.L. Bridges, S.L. Orzell, B.R. Keener, A. Weeks, R.D. Noyes, M. Flores-Cruz, J.T. Diggs, G.D. Gann, and A.J. Floden. 2017. New combinations, rank changes, and nomenclatural and taxonomic comments in the vascular flora of the southeastern United States. II. J. Bot. Res. Inst. Texas 11: 291-325. Google Scholar