Flora Somalia, (2000) Author: by H. Beentje (Acanthospermum, Ageratum, Aspilia, Atractylis, Blainvillea, Blumea, Carthamus, Cirsium, Conyza, Crepis, Dichrocephala, Distephanus, Echinops, Eclipta, Erlangera, Felicia, Flaveria, Geigera, Gerbera, Grangea, Gutenbergia, Helichrysum, Iphiona, Iphionopsis, Jurinea, Laggera, Litogyne, Osteospermum, Pegolettia, Pentanema, Pseudoblepharispermum, Pseudognaphalium, Psiadia, Pulicaria, Reichardia, Sclerocarpus, Sonchus, Sphaeranthus, Tagetes, Tarchonanthus, Tridax, Vernonia, Volutaria, Xanthium), T. Eriksson (Athroisma, Blepharispermum), N. Kilian (Launaea), S. King-Jones & M. Thulin (Pluchea), Mesfin Tadesse (Bidens), S. Ortiz & J. Rodríguez-Oubiña (Dicoma), and M. Thulin (Cineraria, Doellia, Emilia, Erythroseris, Euryops, Galinsoga, Gynura, Helianthus, Kleinia, Lactuca, Pentzia, Senecio, Solanecio, Verbesina, Zinnia). [updated by M. Thulin 2008]