References

McKenzie, R.J., E.M. Muller, A.K.W. Skinner, P.O. Karis, and N.P. Barker. 2006. Phylogenetic relationships and generic delimitation in subtribe Arctotidineae (Asteraceae: Arctotideae) inferred by DNA sequence data from ITS and five chloroplast regions. Amer. J. Botany 93: 1222-1235. Google Scholar