Spiraea douglasii var. douglasii

Native to:

British Columbia, California, Oregon, Washington

Introduced into:

Argentina South, Belgium, Bulgaria, France, Germany, Great Britain, Illinois, Ireland

POWO follows these authorities in accepting this name:

• Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6. Scientific Data 8: 215.

Kew Backbone Distributions

• Delipavlov, D. & Cheshmedzhiev, I. (eds.) (2011). Opredelitel na rasteniiata v Bulgariia: 1-590. Akad. Isd. Agrar. Univers. Plovdiv.
• Flora of North America Editorial Committee (2014). Flora of North America North of Mexico 9: 1-713. Oxford University Press, New York, Oxford.
• Hassler, M. & Muer, T. (2022). Flora Germanica: alle Farn- und Blütenpflanzen Deutschlands in Text und Bild 1: 1-864. Verlag Regionalkultur, Uberstadt-Weiher.
• Lambion, J., Delvosalle, L. & Duvigneaud, J. (2004). Nouvelle flore de la Belgique du G. D. de Luxembourg, du Nord de la France et des régions voisines, ed. 5: 1-1167. Edition du Patrimoine du Jardin botanique national de Belgique.
• Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.
• Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics.
• Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur. Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348. Missouri Botanical Garden.