Eremalche exilis (A. Gray) Greene Eremalche exilis (A. Gray) Greene in Leafl. Bot. Observ. Crit. 1: 208. 1906 sec. Fryxell 1988≡Malvastrum exile A. Gray, Rep. Colorado R. (Ives) part 4 (botany): 8. 1861 syn. sec. Fryxell 1988