Acanthogilia
Recognized as a distinct genus fairly recently, this spiny plant endemic to Baja California is basal to other genera in the family.
Day, A. G., and R. Moran. 1986. Acanthogilia, a new genus of Polemoniaceae from Baja California, Mexico. Proc. Calif. Acad. Sci. 44: 111–126.
	Acanthogilia Aliciella Allophyllum Bonplandia Bryantiella Cantua Cobaea Collomia Dayia Eriastrum Gilia Giliastrum Gymnosteris Ipomopsis Langloisia Lathrocasis Leptodactylon Leptosiphon Linanthus Loeselia Loeseliastrum Microgilia Microsteris Navarretia Phlox Polemonium Saltugilia