Giant Goldenrod, Smooth Goldenrod, Late Goldenrod
Solidago gigantea
Synonyms: Aster latissimifolius var. serotinus, Solidago gigantea ssp. serotina, Solidago gigantea var. leiophylla, Solidago gigantea var. pitcheri, Solidago gigantea var. serotina, Solidago gigantea var. shinnersii, Solidago x leiophallax, Solidago pitcheri, Solidago serotina, Solidago serotinoides
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- 
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- 
What may be giant goldenrod as seen in open ponderosa pine woods along the Stubblefield Trail about half a mile east of the southeast corner of South Pine Lake, Turnbull National Wildlife Refuge......July 4, 2018.
Paul Slichter