Citations

[1]
POWO (2023).
[2]
Hind, N. & Langhorne, J. (2024) [dated 2023]. "1076. Vernonia missurica Raf". Curtis's Botanical Magazine. 40 (4): 397–415. doi:10.1111/curt.12531.
[3]
USDA (2014b).
[4]
USDA (2014c).
[5]
USDA (2014d).
[6]
Hartman (2006).
[7]
USDA (2014a).
[8]
Nesom (2006).
[9]
USDA (2014).

Sources

Hartman, R.L. (2006). "Xanthisma". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 21. New York and Oxford: Oxford University Press. Retrieved 18 January 2023 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Nesom, G.L. (2006). "Xylorhiza". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 20. New York and Oxford: Oxford University Press. Retrieved 18 January 2023 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
POWO (2023). "Asteraceae Bercht. & J.Presl". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 30 June 2024.
NRCS (2014). "Yermo". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 18 January 2023.
NRCS (2014a). "Xanthium". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 18 January 2023.
NRCS (2014b). "Wedelia". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 18 January 2023.
NRCS (2014c). "Wilkesia". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 18 January 2023.
NRCS (2014d). "Wyethia". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 18 January 2023.

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