broad-leaved everlasting pea
woodland white violet
pansy violet
white violet
Johnny-jump-up
pale violet
Viola canadensis
great knapweed
Canada violet
Centaurea scabiosa
tall white violet
greater knapweed
whorled aster
purple sanicle
Chinese wistaria
caltrop
Centauria calcitrapa
Aster acuminatus
Sanicula bipinnatifida
star-thistle
Wisteria chinensis
Proboscidea louisianica
devil's claw
common unicorn plant
proboscis flower
Sidalcea malviflora
checkerbloom
horsemint
French lavender
Monarda punctata
wild hollyhock
elephant-tusk
ram's horn
Lavandula stoechas
common devil's claw
heath violet
Viola canina
dog violet
blessed thistle
milk thistle
purple cress
Gentiana crinita
holy thistle
purple-flowered
Silybum marianum
lady's thistle
Cardamine douglasii
Our Lady's mild thistle
Gentianopsis crinita