| Adia cinerea |
|
| Adiantum capillus-veneris |
Maidenhair Fern; Venus-Hair Fern |
| Adiantum hispidulum |
Rough Maidenhair Fern |
| Adiantum tenerum |
Brittle Maidenhair Fern |
| Adiantum trapeziforme |
Giant Maidenhair Fern |
| Adonidia merrillii |
Manila Palm; Manilla Palm; Christmas Palm |
| Aechmea distichantha distichantha |
Brazilian Vase Plant |
| Aechmea mariae-reginae |
Queen Mary's Aechmea |
| Aedes aegypti |
|
| Aedes albopictus |
|
| Aedes sollicitans |
|
| Aedes taeniorhynchus |
|
| Aegyptobia nothus |
|
| Aeolothrips fasciatus |
|
| Aethes seriatana |
|
| Agapanthus africanus |
Lily of the Nile; Star of Bethlehem; Blue Nile Lily |
| Agathis gibbosa |
|
| Agave americana |
Century Plant |
| Agave americana franzosini |
Majestic Agave |
| Agave amica |
Tuberose; Tuber Rose |
| Agave angustifolia |
Caribbean Agave |
| Agave attenuata |
Foxtail Agave; Lion's Tail; Swan-Neck Agave |
| Agave demeesteriana |
Dwarf Century Plant |
| Agave fourcroydes |
Henequen |
| Agave karatto |
Antigua Agave |
| Agave nickelsiae |
King Agave; Nickel's Agave, King Ferdinand Century Plant |
| Agave sisalana |
Sisal Hemp |
| Agave striata |
Narrow-Leaved Centry Plant; Durango Delight, Espadin |
| Agave weberi |
Blue Century Plant |
| Ageratina adenophora |
Sticky Snakeroot; Crofton Weed; Sticky Snakeroot; Glandular Eupatorium |
