Calystegia sepium subsp. americana (Sims) Brummitt

Native to:

Alabama, Azores, California, Cape Provinces, Connecticut, Delaware, Illinois, Indiana, Maine, Maryland, Massachusetts, Michigan, New Brunswick, New Hampshire, New Jersey, New York, Newfoundland, Nova Scotia, Ohio, Ontario, Pennsylvania, Prince Edward I., Québec, Rhode I., Tristan da Cunha, Vermont, Virginia, Wisconsin

Introduced into:

Amur, Argentina Northeast, Argentina Northwest, Argentina South, Brazil South, Chile Central, Chile South, Chita, Desventurados Is., Khabarovsk, Primorye, Uruguay, West Siberia

POWO follows these authorities in accepting this name:

• Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
• Hansen, A. & Sunding, P. (1993). Flora of Macaronesia. Checklist of vascular plants. 4. revised edition. Sommerfeltia 17: 88-93.
• Kartesz, J.T. in Kartesz, J.T. (1994). Convolvulaceae. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland: 217-221. Timber Press.
• Kral, R., Diamond, A.R., Ginzbarg, S.L., Hansen, C.J., Haynes, R.R., Keener, B.R., Lelong, M.G., Spaulding, D.D. & Woods, M. (2011). Annotated checklist of the vascular plants of Alabama: 1-112. Botanical reseach institute of Texas.
• Manitz, H. (1983). Zur Nomenklatur einiger Convolvulaceae und Cuscutaceae. I. Feddes Repertorium 94: 173-182.
• Schäfer, H. (2021). Flora of the Azores a field guide: 1-445. Margraf Publishers GmbH.
• Valentine, D.H. et al. in Tutin, T.G. & al. (eds.) (1972). Convolvulaceae. Flora Europaea 3: 74-83. Cambridge University Press.
• Voss, E.G. in Voss, E.G. (1996). Convolvulaceae. Michigan Flora, part III, Dicots 3: 95-104. Cranbrook Institute of Science.

An alternative taxonomy had been proposed by the following authorities:

• Austin, D. F. & M. Costea in Zuloaga, F. O., O. Morrone, & M. J. Belgrano (2008). Convolvulaceae. Catálogo de las plantas vascualres del Cono Sur 2: 1936-1966. Missouri Bot. Garden. [Cited as Calystegia sepium var. americana.]
• Knapp, W.M. & Naczi, R.F.C. (2021). Vascular plants of Maryland, USA. A comprehensive account of the state's botanical diversity. Smithsonian Contributions to Botany 113: 1-151. [Cited as Calystegia sepium.]

Kew Backbone Distributions

• Austin, D. F. & M. Costea in Zuloaga, F. O., O. Morrone, & M. J. Belgrano (2008). Convolvulaceae. Catálogo de las plantas vascualres del Cono Sur 2: 1936-1966. Missouri Bot. Garden.
• Gray, A. in Gray, A. (1886). CNV, supplement, in Syn. Fl. N. Amer. Ed. 2. Synoptical Flora of North America, edit. 1: 433-436.
• Kral, R., Diamond, A.R., Ginzbarg, S.L., Hansen, C.J., Haynes, R.R., Keener, B.R., Lelong, M.G., Spaulding, D.D. & Woods, M. (2011). Annotated checklist of the vascular plants of Alabama: 1-112. Botanical reseach institute of Texas.
• Malyschev, L.I. (ed.) (2006). Flora of Siberia 11: 1-310. Scientific Publishers, Inc., Enfield, Plymouth.
• O'Donell, C.A. (1959). Convolvuloideas de Uruguay. Lilloa 29: 349-376. Universidad Nacional de Tucuman, Instituto 'Miguel Lillo'.
• Turland, N.J. in Press, J.R. & Short, M.J. (eds.) (1994). Convolvulaceae. Flora of Madeira: 266-271. HMSO.
• Voss, E.G. in Voss, E.G. (1996). Convolvulaceae. Michigan Flora, part III, Dicots 3: 95-104. Cranbrook Institute of Science.
• Zuloaga, F.O. & Belgrano, M.J. (eds.) (2019). Flora Argentina. Flora vascular de la República Argentina 20(2): 1-444. INTA, IMBIV & IBODA.