Ortuño, M. A. N., Machtig, A. E., Chacón, M. A., Cuzmar, J., & Fontúrbel, F. E. (2019). Spatial distribution of Puya coerulea Lindl. in response to abiotic factors and accompanying species in the Río Clarillo National Reserve. Gayana Botanica, 76(1), 115–118. https://doi.org/10.4067/S0717-66432019000100115