- Calendula tripterocarpa
- Centaurea pseudophrygia
- Helianthus x laetiflorus
- Kleinia cephalophora
- Kleinia repens
- Launaea arborescens
- Launaea mucronata
- Pilosella cymosa
- Annual fleabane
- Argyranthemum hybrid
- Bitter fleabane
- Bold-leaf launaeae
- Brown knapweed
- Cabbage thistle
- Canada golden-rod
- Canada thistle
- Canadian Horseweed
- Canary Island daisy
- Catsear
- Chamomile
- Cineraria
- Coltsfoot
- Common chicory
- Common daisy
- Common dandelion
- Common groundsel
- Common hawkweed
- Common sowthistle
- Corn chamomile
- Corn sow thistle
- Cornflower
- Cutleaf coneflower
- Devil's beggarticks
- Dwarf everlast
- False sowthistle
- Feverfew
- Fox-and-cubs
- Gerbera
- Greater burdock
- Hemp-agrimony
- Hoary ragwort
- Leopard plant
- Lettuce
- Marsh hawksbeard
- Marsh thistle
- Meadow salsify
- Melancholy thistle
- Mouse-ear hawkweed
- Mugwort
- New England hawkweed
- New York aster
- Nipplewort
- Orange coneflower
- Ox-eye
- Perennial cornflower
- Pineappleweed
- Prickly lettuce
- Purple coneflower
- Russian globe thistle
- Scentless chamomile
- Shaggy soldier
- Sharp-fringed sow thistle
- Slender sowthistle
- Smooth hawksbeard
- Sneezewort
- South African ragwort
- Spear thistle
- Sunflower
- Tansy
- Verode
- Wall lettuce
- Western pearly everlasting
- Whorled coreopsis
- Wood ragwort
- Woolly burdock
- Yarrow
- Yellow chamomile
- Zinnia