| Ageratina havanensis Havana snakeroot View 16 images |  |
| Amorpha fruticosa Indigo bush View 18 images |  |
| Amblyolepis setigera Huisache daisy View 14 images |  |
| Andropogon gerardii Big bluestem View 24 images |  |
| Andropogon glomeratus Bushy bluestem View 31 images |  |
| Anisacanthus quadrifidus var. wrightii Flame acanthus View 25 images |  |
| Aquilegia canadensis Eastern red columbine View 55 images |  |
| Asclepias asperula Spider milkweed View 41 images |  |
| Asclepias tuberosa Butterflyweed View 84 images |  |
| Asclepias viridiflora Green milkweed View 20 images |  |
