References

Ungberg, E.A., J.W. Horn, D.B. Poindexter, K.A. Bradley, and A.S. Weakley. 2024. Helianthus waccamawensis (Asteraceae), a new species of sunflower endemic to the Cape Fear Arch region of North and South Carolina (U.S.A.). J. Bot Res. Inst. Texas 18(2) 271-291. Google Scholar