bush vetch
Vicia sepium
Erica cinerea
bell heather
fine-leaved heath
heather bell
black knapweed
lesser knapweed
hardheads
Centaurea nigra
Chinese wistaria
Wisteria chinensis
hemp agrimony
Eupatorium cannabinum
lilac
Michaelmas daisy
New York aster
Aster novi-belgii
fetid horehound
purple cress
Cardamine douglasii
black archangel
stinking horehound
black horehound
Lavandula stoechas
Ballota nigra
petunia
French lavender
Perilla frutescens crispa
beefsteak plant
purple sage
Heracleum sphondylium
cow parsnip
Salvia leucophylla
hogweed
chaparral sage
mission bells
Fritillaria biflora
black fritillary
Prenanthes purpurea
rattlesnake root
Hazardia cana
whorlywort
Artemisia vulgaris
Veronicastrum virginicum
Teucrium chamaedrys
Astragalus danicus
Turk's-cap
purple milk vetch
Lilium martagon