@inbook {664,
	title = {Compositae: Tribe Gymnarrheneae},
	booktitle = {Flowering Plants, Eudicots, Asterales},
	series = {Families and Genera of Vascular Plants},
	volume = {8},
	year = {2006},
	pages = {90-112},
	publisher = {Springer-Verlag},
	organization = {Springer-Verlag},
	address = {Berlin},
	author = {C. Jeffrey},
	editor = {Kadereit, J.W. and C. Jeffrey}
}
@book {642,
	title = {The Families and Genera of Vascular Plants},
	series = {Flowering Plants Eudicots Asterales},
	volume = {VIII},
	year = {2007},
	publisher = {Springer-Verlag Berlin Heidelberg},
	organization = {Springer-Verlag Berlin Heidelberg},
	address = {Berlin},
	author = {Kadereit, J.W. and C. Jefferey},
	editor = {K.Kubitzki}
}
@article {23,
	title = {An ITS phylogeny of tribe Senecioneae (Asteraceae) and a new delimitation of Senecio L.},
	journal = {Taxon},
	volume = {56},
	year = {2007},
	pages = {1077-1104},
	author = {Pelser, P.B. and Nordenstam, B. and Kadereit, J.W. and Watson, L.E.}
}
