(1)
SCHILLING, E. E.; DA COSTA, F. B.; LOPES, N. P.; HEISE, P. J. BRAZILIAN SPECIES OF VIGUIERA (ASTERACEAE) EXHIBITLOW LEVELS OF ITS SEQUENCE VARIATION. Edinburgh J. Bot. 2003, 57 (3), 323-332. https://doi.org/10.1017/S0960428600000330.