1.
Ungberg EA, Horn JW, Poindexter DB, Bradley KA, Weakley AS. 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 [Internet]. 2024 Nov. 26 [cited 2024 Dec. 10];18(2):271–291. Available from: https://journals.brit.org/jbrit/article/view/1365