Pontederia cordata
wampee
pickerel weed
pickerelweed
Eichhornia crassipes
Eichhornia spesiosa
water hyacinth
water orchid
blue cardinal flower
great lobelia
Lobelia siphilitica
blue devil
blueweed
blue thistle
viper's bugloss
Echium vulgare
blue toadflax
Collinsia verna
old-field toadflax
blue-eyed Mary
Linaria canadensis
Aster shortii
water lobelia
Short's aster
Lobelia dortmanna
Gentianella quinquefolia
five-flowered gentian
Gentiana calycosa
stiff gentian
Gentiana quinquefolia
blue-eyed grass
explorer's gentian
ague weed
agueweed
blue fleabane
forget-me-not
Myosotis scorpiodes
mouse ear
Erigeron acer
Clitoria mariana
Himalaya honeysuckle
butterfly pea
Leycesteria formosa
brooklime
Dracocephalum parviflorum
Lysimachia terrestris
dragonhead
dragon's head
Veronica beccabunga
swamp candles
European brooklime
common grape hyacinth
cornflower aster
Stokesia laevis
Muscari neglectum
stokes' aster
Penstemon rydbergii
bluebell
harebell
Campanula rotundifolia
Rydberg's penstemon
Himalayan blue poppy
blue-flowered
tall bellflower
Campanula americana
cascade penstemon
Viola pedata
Cypripedium calceolus pubescens
Johnny-jump-up
Penstemon serrulatus
flowering
large yellow lady's slipper
bird's-foot violet
pansy violet
common morning glory
Ipomoea purpurea
wood violet
Talinum paniculatum
Virginia bluebell
Mertensia virginica
purple virgin's bower
Veronica agrestis
Salvia reflexa
Clematis verticillaris
Virginia cowslip
mountain clematis
jewels-of-opar
horsemint
Mentha longifolia
purple clematis
field speedwell
groundnut
blue sage
Salvia lancifolia
coyote bush
Baccharis pilularis
coyote brush
Gentiana saponaria
chaparral broom
soapwort gentian