There are 42 accepted species of flowering plants in the genus Dahlia, according to The Plant List. The sectional classification of Dahlia sensu Sørensen (1969) as updated by Saar et al. (2003) and Hansen (2004) and (2008) is as follows (excluding infraspecific taxa);
Section Pseudodendron Sherff
Section Entemophyllon Sørensen
Section Dahlia Sherff
Section Epiphytum Sherff
Unresolved D. pinnata Type (more properly D. × pinnata) Most likely (= D. coccinea × D. sorensenii). D. mixtecana J. Reyes, Islas & Art.Castro (possibly Section Dahlia or Section Entemophyllon)
See also List of Dahlia cultivars
References






