Arriagada, J. E. KEY TO THE SPECIES OF CLIBADIUM (COMPOSITAE, HELIANTHEAE) WITH NOTES ON SYNONYMY AND MORPHOLOGICAL VARIATION. Rev. Acad. Colomb. Cienc. Ex. Fis. Nat. 1995, 19 (74), 453-461. https://doi.org/10.18257/raccefyn.19(74).1995.3840.