References

For Oenothera

Dietrich, W., and W.L. Wagner. 1988. Systematics of Oenothera section Oenothera subsection Raimannia and subsection Nutantigemma (Onagraceae). Systematic Bot. Monographs 24: 1-91. Google Scholar

Dietrich, W., W.L. Wagner, and P.H. Raven. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Systematic Bot. Monographs 50: 1-234. Google Scholar

Munz, P.A. 1938. Studies in Onagraceae XI. A revision of the genus Gaura. Bull. Torrey Bot. Club 65(2): 105-122. Google Scholar

Munz, P.A. 1965. Onagraceae. N. Amer. Fl. II. 5: 1-278. Google Scholar

Sorrie, B.A., R.J. LeBlond, and A.S. Weakley. 2018b. Reassessment of Oenothera fruticosa var. unguiculata. In Weakley, A.S., B.A. Sorrie, R.J. LeBlond, A.J. Floden, E.E. Schilling, A.R. Franck, and J. Kees. 2018b. New combinations, rank changes, and nomenclatural and taxonomic comments in the vascular flora of the southeastern United States. IV. J. Bot. Res. Inst. Texas 12: 461-480. Google Scholar

Straley, G.B. 1977. Systematics of Oenothera sect. Kneiffia (Onagraceae). Ann. Missouri Bot. Gard. 64: 381-424. Google Scholar

Towner, H.F., and P.H. Raven. 1970. A new species and some new combinations in Calylophus (Onagraceae). Madroño 20: 241-245. Google Scholar

Wagner, W.L. 2014. The correct name for a subspecies of Oenothera fruticosa L. (Onagraceae). PhytoKeys 34: 15-17. doi: 10.3897/phytokeys.34.7040 Google Scholar

Wagner, W.L. 2021. Oenothera. 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

Wagner, W.L., K.N. Krakos, and P.C. Hoch. 2013. Taxonomic changes in Oenothera sections Gaura and Calylophus (Onagraceae). PhytoKeys 28: 61-72. doi: 10.3897/phytokeys.28.6143 Google Scholar

Wagner, W.L., P.C. Hoch, and J.L. Zarucchi. 2015. The correct name in Oenothera for Gaura drummondii (Onagraceae) PhytoKeys 50: 25–29. doi: 10.3897/phytokeys.50.4886 Google Scholar

Wagner, W.L., P.C. Hoch, and P.H. Raven. 2007. Revised classification of the Onagraceae. Syst. Bot. Monographs 83: 1-240. Google Scholar