Filipendula rubra (Hill) B. L. Robins., Rhodora 8: 204 (1906) (syn: Filipendula lobata (Gronov. ex Jacq.) Maxim. ; Filipendula lobata var. albiflora Bergmans ; Filipendula lobata var. venusta-magnifica Bergmans ; Spiraea lobata Gronov. ex Jacq. ; Spiraea lobata var. latiloba Turcz. ; Spiraea palmata L. ; Spiraea palmata var. alba Anon.; Spiraea palmata var. tomentosa Wenz. ; Spiraea rubra (Hill) Britton ; Thecanisia angustifolia Raf. ; Thecanisia lobata (Gronov. ex Jacq.) Raf. ; Thecanisia purpurea Raf. ; Ulmaria lobata Kostel. ex Maxim. ; Ulmaria rubra Hill ; Ulmaria rubra var. albicans Rehder ; Ulmaria rubra var. venusta Rehder );
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N. Central & E. U.S.A.: Illinois, Indiana, Iowa, Kentucky, Maryland, Michigan, Minnesota, Mississippi, Missouri, North Carolina, Ohio, Pennsylvania, Vermont, Virginia, Wisconsin as per POWO;
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Filipendula rubra from California-GS30062024-3: 3 high res. images.
Filipendula rubra, clicked from a store in California.
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References:
POWO Catalogue of Life Wikipedia Wild flower prairiemoon