Flat-topped white aster

Prepared by Jennifer L. D’Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated February 2018.

Scientific name: Doellingeria umbellata var umbellata (P. Mill.) Nees; old Aster umbellatus P. Mill.

Common name(s): flat-topped white aster, flat-top white aster, parasol whitetop, tall white-aster

Links: USDA PLANTS Profile, NPIN Profile, Go Botany

Images: (to see enlargements [PC]: click on image, then right click and choose “view image”)


– perennial

– generally flowers late July-September in ME


  • 2-7 feet

– although absent in ME, elsewhere in New England may be confused with two rare species, D. infirma and Oligoneuron album; see left sidebar of Go Botany webpage





  • marshes
  • swamps



Heinrich, B. 1976. Flowering phenologies: Bog, woodland, and disturbed habitats. Ecology. 57(5):890-899.

Nelson, Andrew, et al. “Doellingeria Umbellata Var. Umbellata.” Doellingeria Umbellata Var. Umbellata – Species Page – NYFA: New York Flora Atlas, New York Flora Association, USF Water Institute. University of South Florida, 2020, newyork.plantatlas.usf.edu/Plant.aspx?id=424.