- Thompson, DM, Systematics of Mimulus subg. Schizoplacus (Scrophulariaceae), Systematic Botany Monographs vol. 75: 1-213 (2005)
- Deyuan, H., Hanbi, Y., Cunli, J., et al., Flora of China, vol. 18 (Scrophulariaceae): 43-45 (1998)
Synonymous genera: 
- Diplacus  Nutt. (1838) 
- Erythranthe  Spach (1840) 
- Eunanus  Benth. (1846) 
- Mimetanthe  Greene (1885)