Breitwieser, I.,Brownsey, P.J.,Heenan, P.B.,Nelson, W.A. &Wilton, A.D. (eds.) 2018.Flora of New Zealand Online – Taxon Profile -Urostemon.NZFlora. Published online. Accessed: 2018 Apr. 13.
Hassler, M. 2018.Urostemon.World Plants: Synonymic Checklists of the Vascular Plants of the World In:Roskovh, Y.,Abucay, L.,Orrell, T.,Nicolson, D.,Bailly, N.,Kirk, P.,Bourgoin, T.,DeWalt, R.E.,Decock, W.,De Wever, A.,Nieukerken, E. van,Zarucchi, J. &Penev, L., eds. 2018.Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2018 Mar. 2.Reference page. separatesUrostemon into its own genera.