Photo: Solidago gigantea 2.

Plants in seed, all brown and dead. Sindelfingen, Germany. Planted. 2007-11-15.
Solidago gigantea Aiton Engl.: giant goldenrod, late goldenrod, smooth three-ribbed goldenrod. Deu.: Späte Goldrute. Suom.: isopiisku. Sven.: höstgullris. Bot. syn.: Solidago pitcheri Nutt., Solidago serotina Kuntze, Solidago x leiophallax Nutt.
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Photo: Solidago gigantea 2.