Table 1.

Populations of three annual sunflower species, the hybrid species Helianthus paradoxus and its progenitors Helianthus annuus and Helianthus petiolaris that were used in salt tolerance experiments; all are from within the USA

	Name	Reference	Nearest location	County	State
H. annuus	ANN1	EJB 2003	Hermosa	Custer	South Dakota
	ANN2	PI 413024	Limon	Lincoln	Colorado
	ANN3	Ames 14400	Tucson	Pima	Arizona
H. paradoxus	PAR1	LHR 1300	Grants	Cibola	New Mexico
	PAR2	LHR 1302	Santa Rosa	Guadeloupe	New Mexico
	PAR3	LHR 1303	Bitter Lake	Caves	New Mexico
H. petiolaris	PET1	PI 586912	Terry	Prairie	Montana
	PET2	PI 586920	Carr	Weld	Colorado
	PET3	PI 435809	Channing	Hartley	Texas

Populations ANN2, ANN3, and PET1–3 were obtained from the National Germplasm Resources Laboratory (Beltsville, MD, USA); ANN1 was collected by Eric J. Baack (Indiana University), and PAR1–3 are collections of Loren H. Rieseberg.