Books by Hans V. Hansen
Riel's Defence
Riel's Defence
Reason reclaimed
Reason reclaimed
Hybridization within Dahlia (A
Hybridization within Dahlia (Asteraceae-Coreopsideae)
Phylogenetic studies in Compos
Phylogenetic studies in Compositae tribe Mutisieae
A taxonomic revision of the ge
A taxonomic revision of the genus Gerbera (Compositae, Mutisieae) sections Gerbera, Parva, Piloselloides (in Africa), and Lasiopus
Fallacies