purple cress
Cardamine douglasii
violet wood sorrel
Oxalis violacea
genus Reseda
American brooklime
Veronica americana
brooklime
herb roberts
Erica cinerea
Callirhoe
fine-leaved heath
herb robert
herbs robert
heather bell
genus Callirhoe
Geranium robertianum
bell heather
Michaelmas daisy
Eupatorium purpureum
New York aster
purple boneset
marsh milkweed
Aster novi-belgii
Joe-Pye weed
trumpet weed
Erigeron acer
blue fleabane
Monardella lanceolata
mustang mint
Salvia leucophylla
globe amaranth
bachelor's button
Viola rostrata
blue toadflax
Gomphrena globosa
chaparral sage
old-field toadflax
Linaria canadensis
long-spurred violet
purple sage
sweet white violet
whorled aster
large yellow lady's slipper
Aster acuminatus
white violet
purples
Cypripedium calceolus pubescens
woodland white violet
Viola blanda
purple-fringed orchid
Habenaria psycodes
purple-fringed orchis
pink fritillary
Gloxinia perennis
cascade penstemon
Viola striata
Fritillaria pluriflora
lilac
cream violet
Fritillaria biflora
black fritillary
Canterbury bell
Penstemon serrulatus
adobe lily
striped violet
mission bells
pale violet
Lavandula stoechas
Vicia sepium
French lavender
purple-flowered
bush vetch
dragon's head
Columbia tiger lily
Lilium columbianum
Oregon lily
Psoralea
Dracocephalum parviflorum
Wisteria chinensis
dragonhead
Chinese wistaria
genus Psoralea
maypop
whorlywort
red dogwood
Culver's root
Veronicastrum virginicum
red osier
hound's-tongue
Cornus stolonifera
Culvers root
Cynoglossum virginaticum
Culver's physic
American dogwood
redbrush
red osier dogwood
Culvers physic
genus Agalinis
Agalinis