Kromer, T., Kessler, M., Holst, B.K., Luther, H.E., Gouda, E.J., Ibisch, P.L., Till, W. and Vasquez, R. 1999. CHECKLIST OF BOLIVIAN BROMELIACEAE WITH NOTES ON SPECIES DISTRIBUTION AND LEVELS OF ENDEMISM. Selbyana. 20, 2 (Oct. 1999), 201–223.