References
For Senega
Abbott, J.R. 2021. Polygalaceae. In Flora of North America Editorial Committee. 2021. Flora of North America north of Mexico. Volume 10, Magnoliophyta: Proteaceae to Elaeagnaceae. Oxford Univ. Press, New York, NY. 456 pp. Google Scholar
Barger, T.W., C.A. Davis, B. Finzel, B. Garland, A. Hayes, A.R. Schotz, P. Thompson, G. Todia, and N.D. Yawn. 2023. New and noteworthy vascular plant records for Alabama. Phytoneuron 2023-14: 1-6. Published 17 February 2023. ISSN 2153 733X Google Scholar
Eriksen & Persson. 2007. In Kubitzki, K., C. Bayer, and P.F. Stevens, eds. 2007. The families and genera of vascular plants. IX. Flowering plants – Eudicots – Berberidopsidales, Buxales, Crossosomatales, Fabales p.p., Geraniales, Gunnerales, Myrtales p.p., Proteales, Saxifragales, Vitales, Zygophyllales, Clusiaceae alliance, Passifloraceae alliance, Dilleniaceae, Huaceae, Picramniaceae, Sabiaceae. Springer, Berlin. 509 pp. Google Scholar
Haines, A.A. 2010. New combinations in the New England tracheophyte flora. Stantec Botanical Notes 13: 1-8. [and 1 page addendum] Google Scholar
Neubig, K.M., and J.R. Abbott. 2020. Interspecific hybridization in North American Polygala (Polygalaceae). J. Bot. Res. Inst. Texas 14: 47-56. Google Scholar
Pastore, J.F.B. 2013. A review of Vellozo’s names for Polygalaceae in his Flora Fluminensis. Phytotaxa 108: 41-48. Google Scholar
Pastore, J.F.B., A. Martinez, J.R. Abbott, and K. Neubig. 2023. Toward new generic delimitations in Polygalaceae II: Senega. Ann. Mo. Bot. Gard. 108: 126-249. Google Scholar
Pastore, J.F.B., J.R. Abbott, K.M. Neubig, C. Van Den Berg, M.C.d.A. Mota, A. Cabral, and W.M. Whitten. 2019. Phylogeny and biogeography of Polygala (Polygalaceae). Taxon 68: 673-691. Google Scholar
Smith, R.R., and D.B. Ward. 1976. Taxonomy of the genus Polygala series Decurrentes (Polygalaceae). Sida 6: 284-310. Google Scholar
Sorrie, B.A. and A.S. Weakley. 2017a. Reassessment of variation within Polygala cruciata sensu lato (Polygalaceae). Phytoneuron 2017-37: 1–9. Published 1 June 2017. ISSN 2153 733X Google Scholar
Trauth-Nare, A.E., and R.F.C. Naczi. 1998. Taxonomic status of the varieties of Seneca snakeroot, Polygala senega L. (Polygalaceae) [abstract]. Amer. J. Bot 85 [supplement]: 163. Google Scholar