- *Nephrolepis cordifolia (Fishbone Fern)
- *Solanum mauritianum (Wild Tobacco)
- Acacia bakeri (Marblewood)
- Acacia disparrima var disparrima (was Acacia aulacocarpa) (Hickory Wattle, Ironbark wattle)
- Acacia hubbardiana (Prickly Moses)
- Acacia leiocalyx (Lamb's Tail Wattle Black Wattle)
- Acacia longissima (Narrow-leaved Wattle)
- Acacia melanoxylon (Blackwood)
- Acacia oshanesii (Irish Wattle)
- Acacia penninervis (Mountain Hickory)
- Ackama paniculata (was Caldcluvia paniculosa) (Soft Corkwood, )
- Acronychia laevis (Glossy Acronychia, Hard Aspen)
- Acronychia pubescens (Hairy Acronychia)
- Acronychia suberosa? (Acronychia sp. hybrid) (Corky Acronychia)
- Adiantum formosum (Black-stemmed Maidenhair)
- Ailanthus triphysa (Ailanthus malabarica) (White Bean, White Siris)
- Alchornea ilicifolia (Native Holly)
- Alectryon reticulatus
- Allocasuarina littoralis (was Casuarina littoralis) (Black Sheoak, Coastal Sheoak)
- Allocasuarina torulosa (was Casuarina torulosa) (Forest Oak)
- Alocasia brisbanensis (was Alocasia macrorrihza) (Cunjevoi, Spoon Lily)
- Alphitonia excelsa (Red Ash, Soap Tree)
- Alphitonia petriei (White Ash, Pink Ash)
- Alpinia arundelliana (Native Ginger, Dwarf Ginger)
- Alpinia caerulea (Alpinia coerulea) (Native Ginger)
- Alyxia magnifolia (Large-leaved Chain Fruit)
- Alyxia ruscifolia (Chain Fruit)
- Araucaria bidwillii (Bunya Pine)
- Araucaria cunninghamii (Hoop Pine)
- Archidendron grandiflorum (Lace flower tree)