Grayia
Grayia, Bot. Beechey Voy.: 387. 1840 sec. Zacharias & Baldwin 20101
- Type: Grayia polygaloides
- =Eremosemium in Pittonia 4: 225. 1900 syn. sec. Zacharias & Baldwin 20102
- =Zuckia in J. Wash. Acad. Sci. 5(2): 58. 1915 syn. sec. Zacharias & Baldwin 20103
- Type: Zuckia arizonica