Goldenrods

Blue-stemmed Goldenrod

Solidago caesia

Canada Goldenrod

Solidago canadensis

Elm-leaved Goldenrod

Solidago ulmifolia

Rough-leaved Goldenrod

Solidago rugosa

Silverrod

Solidago bicolor

Stiff Goldenrod

Solidago rigida (Oligoneuron rigidum)

Zig Zag Goldenrod

Solidago flexicaulis