bastard pennyroyal
genus Trichostema
Trichostema
black sage
indigo bunting
abscess root
bluecurls
bluebell
mountain bluebird
cornflower aster
Stokesia laevis
agaphite
stokes' aster
Sialia
genus Sialia
moroxite
blue jay
Gentiana procera
Gentianopsid procera
bluebird
blauwbok
genus Centropomus
Centropomus
Aster shortii
blue curls
Short's aster
gentian blue
Salvia azurea
Trichechus
blue sage
genus Trichecus
wild lupine
sundial lupine
Lupinus perennis
Indian beet
old-maid's bonnet
genus Pavonia
blue fenugreek
baby blue
Vireo solitarius solitarius
deertongue
Anchusa capensis
blue-headed vireo
harebell
Campanula rotundifolia
cape forget-me-not
genus Felicia
Jerusalem oak
Triga
Eupatorium coelestinum