Sylvester, S. P., Soreng, R. J., Bravo-Pedraza, W. J., Cuta-Alarcon, L. E., Giraldo-Cañas, D., Aguilar-Cano, J., & Peterson, P. M. (2019). Páramo Calamagrostis s.l. (Poaceae): An updated list and key to the species known or likely to occur in páramos of NW South America and southern Central America including two new species, one new variety and five new records for Colombia. PhytoKeys.

Sylvester, Steven P., Robert J. Soreng, William J. Bravo-Pedraza, Lia E. Cuta-Alarcon, Diego Giraldo-Cañas, Jose Aguilar-Cano, und Paul M. Peterson. "Páramo Calamagrostis S.l. (Poaceae): An Updated List and Key to the Species Known or Likely to Occur in Páramos of NW South America and Southern Central America Including Two New Species, One New Variety and Five New Records for Colombia." PhytoKeys 2019.

Sylvester, Steven P., et al. "Páramo Calamagrostis S.l. (Poaceae): An Updated List and Key to the Species Known or Likely to Occur in Páramos of NW South America and Southern Central America Including Two New Species, One New Variety and Five New Records for Colombia." PhytoKeys 2019.