| Argemone mexicana |
Yellow Thistle; Mexican Poppy; Thistle |
| Argiope trifasciata |
Banded Garden Spider; |
| Argyranthemum foeniculaceum |
|
| Argyrodes argyrodes |
Dewdrop Spider |
| Arion hortensis |
Black Field Slug; Garden Slug |
| Armadillidium vulgare |
Common Pill Woodlouse; Pill Woodlouse |
| Armoracia rusticana |
Horseradish; Horse-Raddish |
| Artemisia absinthium |
Common Wormwood; Absynth |
| Arundo donax |
Giant Reed; French Reed; Spanish Reed |
| Ascaridia |
Chicken Roundworm |
| Ascaridia galli |
Chicken Roundworm |
| Asclepias amplexicaulis |
|
| Asclepias curassavica |
Wild Ipecac; |
| Aspalathus cytisoides |
|
| Asparagus aethiopicus |
|
| Asparagus asparagoides |
Bridal Creeper |
| Asparagus capensis |
|
| Asparagus densiflorus |
Foxtail Asparagus; Smilax |
| Asparagus setaceus |
Asparagus Fern |
| Aspidiotus nerii |
Oleander Scale |
| Asplenium compressum |
Plastic Fern; |
| Astrochelys radiata |
Radiated Tortoise |
| Ataenius heinekeni |
Heineken's Dung Beetle; Heineken's Scarab |
| Atherigona orientalis |
Pepper Fruit Fly; Tomato Fruit Fly |
| Atheta laticollis group |
Rove Beetle |
| Atlantoscia floridana |
Woodlouse |
| Atriplex nummularia |
Old Man Saltbush |
| Atriplex patula |
Common Orache |
| Atriplex semibaccata |
Australian Saltbush; Saltbush; Common Saltbush |
| Atriplex suberecta |
Sprawling Saltbush; Green Saltbush |
