Photo: Solidago ptarmicoides.

Flowers, seen from above. Helsinki bot.g. (Kaisan.), Finland. Planted. 2006-08-08.
Solidago ptarmicoides (Torr. & A. Gray) B. Boivin Engl.: prairie goldenrod, white aster, white upland aster. Bot. syn.: Aster ptarmicoides (Nees) Torr. & Gray, Inula alba Nutt., Oligoneuron album (Nutt.) Nesom, Solidago ptarmicoides (Nees) Boivin
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Photo: Solidago ptarmicoides.