Established
| Common name (English) | |
|---|---|
| Acacia saligna | Orange wattle |
| Acanthoscelides macrophthalmus | |
| Acanthus mollis | Bear's breeches |
| Acaudaleyrodes rachipora | Babul whitefly |
| Aceria loewi | |
| Acomys nesiotes | Cyprus spiny mouse |
| Acteocina mucronata | |
| Acyrthosiphon pisum | Pea aphid; Green dolphin; Pea louse; Clover louse |
| Aedes aegypti | Yellow fever mosquito |
| Aedes albopictus | Asian tiger mosquito |
| Aegilops cylindrica | |
| Aeolus melliculus | |
| Agave americana | Centrury plant |
| Agave sisalana | Sisal hemp |
| Ageniaspis citricola | |
| Ailanthus altissima | Tree of heaven |
| Albizia julibrissin | Persian silk tree |
| Alburnus alburnus | Common bleak |
| Alcea rosea | Common hollyhock |
| Alepes djedaba | Shrimp scad |