Template:Ballard, Kartesz & Nishino, 2023
- Ballard, H.E., Kartesz, J.T. & Nishino, M 2023. A taxonomic treatment of the violets (Violaceae) of the northeastern United States and adjacent Canada. Journal of the Torrey Botanical Society 150: 3 - 266. DOI: 10.3159/TORREY-D-22-00029.1
