Paul D Sørensen, published in Rhodora, “Revision of the Genus Dahlia Asteraceae: Heliantheae-Coreopsidinae”.
“Revision of the Genus Dahlia Asteraceae: Heliantheae-Coreopsidinae” Published
Paul D Sørensen, published in Rhodora, “Revision of the Genus Dahlia Asteraceae: Heliantheae-Coreopsidinae”.