Asteraceae
Solidago gigantea
smooth goldenrod
Solidago missouriensis
Missouri goldenrod
Solidago multiradiata
northern goldenrod
Sonchus arvensis
perennial sow thistle
Stenotus acaulis
stemless goldenweed
Stenotus lanuginosus var. lanuginosus
woolly goldenweed
Stenotus stenophyllus
narrowleaf goldenweed
Stephanomeria minor var. minor
narrowleaf stephanomeria
Aster occidentalis
western aster
Tanacetum camphoratum
dune tansy
Tanacetum vulgare
common tansy
Taraxacum officinale
common dandelion
Tonestus lyallii
Lyall's goldenweed
Townsendia florifera
showy townsendia
Townsendia parryi
Parry's townsendia
Tragopogon dubius
yellow salsify
Tragopogon porrifolius
purple salsify
Uropappus lindleyi
linearleaf microseris
Wyethia amplexicaulis
northern mule's ears
Wyethia angustifolia
narrowleaf wyethia