References

Pinzón, J.P., I.M. Ramírez-Morillo, G. Carnevali, W. Till, D. Butcher, and J.J. Ortiz-Díaz. 2019. Taxonomic treatment of the Tillandsia utriculata complex (Bromeliaceae). Ann. Missouri Bot. Gard. 104(2) : 262-323.