Chylismia arenaria A. Nelson Chylismia arenaria A. Nelson in Amer. J. Bot. 21(9): 575–576. 1934 sec. Ulloa Ulloa & al. 2018≡Camissonia arenaria (A. Nelson) P.H. Raven in Brittonia 16(3): 281. 1964 syn. sec. POWO 2019