1. Hortus Kewensis V;Aiton,1813
2. Taxonomy and phylogeny of the tribe Gnaphalieae (Asteraceae). Opera Botanica 104;Anderberg,1991
3. The Botanist’s Repository, for New and Rare Plants VI;Andrews,1804
4. Phylogeny of South African Gnaphalieae (Asteraceae) based on two noncoding chloroplast sequences;Bayer;Am. J. Bot.,2000
5. Phylogeny of Australian Gnaphalieae (Asteraceae) based on chloroplast and nuclear sequences, the trnL intron, trnL/trnF intergenic spacer, matK, and ETS;Bayer;Syst. Bot.,2002