[1]
Mateo-Ramírez, L. and Riina, R. 2020. Croton calcareus: a new species of dragon’s blood (Euphorbiaceae) from dry forest in the state of Chiapas, Mexico. European Journal of Taxonomy. 657 (Jun. 2020). DOI:https://doi.org/10.5852/ejt.2020.657.