Helianthus porteri (A. Gray) Pruski [ Gymnolomia porteri (A. Gray) A. Gray]
no HD illustration available (m1)
Helianthus porteri (A. Gray) Pruski [] [Compositae]
T. Meehan, Native Fl. Ferns U.S., vol. 2 : p. 137, t. 35 (1878-1879)