Ambrosia trifida, giant ragweed, Asteraceae, plant (wind.)

Carex sp., a sedge, Cyperaceae, male and female inflorescenee

Quercus macrocarpa, burr oak, Fagaceae, male flowers (wind)

Salvia farinacea, Lamiaceae, flowers (bee)

Aesculus hippocastanum, horse chestnut, Hippocastanaceae, branch with inflorescence (bee)

Engelmannia pinnatifida, Asteraceae, field with plants in flower (bee)

Ratibida pinnata, Asteraceae, plant with inflorescences (bee)

Agrostemma milas, Caryophyllaceae, plant with flowers (moth)

Oenothera sp., evening primrose, Onagraceae, flowers (moth)

Gaura biennis, Onagraceae, inflorescence (moth)

Michelia fuscata, Magnoliaceae, flowers (beetles).

Stapelia sp., Asclepiadaceae, flower (fly)

Erythrina herbacea, Fabaceae, plant with flowers (hummingbird)

Hibiscus rosa-sinensis, Malvaceae, flower (hummingbird)

Dendrobium sp., Orchidaceae, flowers (bat)

Plants with Flavonoids

© David S. Seigler, Integrative Biology 425, Plant Secondary Metabolism, Department of Plant Biology, 265 Morrill Hall, 505 S. Goodwin Ave., University of Illinois, Urbana, Illinois 61801, USA. 217-333-7577. seigler@life.uiuc.edu.