| Scientific Name | Common Name(s) | Life History | Growth Form | |
|---|---|---|---|---|
|
Anagallis monelli | garden pimpernel, flaxleaf pimpernel | Perennial | forb |
| Angophora costata subsp. leiocarpa L.A.S. Johnson ex G.J. Leach | Sidney Red Gum, Smooth-barked Apple | tree | ||
| Apium graveolens | wild celery, celery, cultivated celery, garden celery, stalk celery | Annual | forb | |
|
Aptenia cordifolia | baby sun rose, heartleaf iceplant | Perennial | succulent |
|
Araujia sericifera | bladderflower, Cape dandelion, cruelplant, moth plant, moth vine, Peruvian creeper | Perennial | vine |
|
Arbutus | madrone, madroño, strawberry tree, Marina strawberry tree | Perennial | tree |
|
Ardisia crenata | Coral berry, Hen's eyes, Christmas berry, Australian holly | Perennial | shrub |
|
Aristea ecklonii | Blue corn lily | Perennial | forb |
| Arum italicum | Italian arum, Italian lords and ladies, Large Cuckoo Pint, Orange Candleflower | Perennial | forb | |
|
Arundo donax | Giant reed, Spanish reed | Perennial | grass |
|
Asclepias curassavica | bloodflower, tropical milkweed | Annual | forb |
|
Asparagus aethiopicus | Sprenger's Asparagus, Asparagus Fern, Foxtail Fern | ||
| Asparagus setaceus | Asparagus fern | Perennial | forb | |
|
Astragalus cicer | Cicer milkvetch, Chickpea milkvetch | Perennial | forb |
|
Atriplex amnicola | river saltbush, swamp saltbush | Annual | shrub |
|
Atriplex semibaccata | Australian saltbush, berry saltbush, creeping saltbush, diamond saltbush, half-berry saltbush, alfalfa-arbórea (Portuguese), pasto salado (Spanish) | Perennial | shrub |
| Aurinia saxatilis | basket-of-gold, gold-dust, rock-madwort, golden-tuft alyssum, golden-tuft madwort, golden alyssum | Perennial | forb | |
| Austrostipa ramosissima | Pillar of Smoke, Stout Bamboo Grass | Perennial | grass | |
| Baccharis tricuneata (magellanica) | Christmas Bush | Perennial | shrub | |
|
Bacopa monnieri | Herb of grace, Hyssop, Water hyssop | Perennial | forb |
|
Bellis perennis | English daisy, European daisy, common daisy, daisy, perennial daisy , lawn daisy, dog daisy, day's eye, herb Margaret, bruisewort, bairnwort, English lawn daisy | Perennial | forb |
| Berberis 'Tara' EMERALD CAROUSEL | Emerald Carousel barberry | Perennial | shrub | |
| Berberis darwinii Hook. | Darwin's berberis, Darwin barberry, barberry, berberis | Perennial | shrub | |
|
Berberis julianae | Wintergreen Barberry, Chinese Barberry | Perennial | shrub |
|
Berberis thunbergii | Japanese Barberry, Japanese Berberis, Thunberg's Barberry | Perennial | shrub |