Template:Guzmán et al., 2013
- Guzmán, J.M., Martínez Gordillo, M., Cruz Durán, R., Jiménez Ramírez, J. & Pérez-Amador, M.C. 2013. A synopsis of Pterostemon (Iteaceae), a group endemic to Mexico. American Journal of Plant Sciences 4(12): 1–9. DOI: 10.4236/ajps.2013.412A1001
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