Intergeneric relationships in the Gorteria clade of Arctotideae-Gorteriinae (Asteraceae), with description of a new genus, Roessleria: https://www.sciencedirect.com/science/article/pii/S0254629918307737

https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77234958-1