Warranwood Reserve consists of Grassy Dry Forest, Herb-rich Foothill Forest and Swampy Riparian Woodland.
The following list represents some of the common and some of the rare and significant (*) plants found in the reserve.
Upper storey
- Red Box - Eucalyptus polyanthemos
- Red Stringybark - Eucalyptus macrorhyncha
- Yellow Box – Eucalyptus melliodora
- Messmate – Eucalyptus obliqua
- Swamp Gum – Eucalyptus ovata
- Bundy – Eucalyptus goniocalyx
- Candlebark – Eucalyptus rubida
Middle storey
- Cherry Ballart – Exocarpus cupressiformis
- Snowy Daisy-bush – Olearia lirata
- Elderberry Panax – Polyscias sambucifolia*
- Victorian Christmas Bush – Prostanthera lasianthos
- Tree Everlasting - Ozothamnus ferrugineus
- Large Kangaroo Apple – Solanum laciniatum
- Rough Tree-fern – Cyathea australis
Lower storey
- Cranberry heath - Astroloma humifusum*
- Derwent Speedwell – Derwentia derwentiana*
- Angled Lobelia - Lobelia alata
- Hairy Speedwell – Veronica calycina*
- Rock Correa – Correa glabra*
- Sweet Hound’s Tongue – Austrocynoglossum suavolens
- Small Grass Tree – Xanthorrhea minor
Grasses, Sedges and Rushes
- Red-anther Wallaby-grass - Joycea pallida
- Tall Sword-sedge - Lepidosperma elatius
- Variable Sword-sedge - Lepidosperma laterale
- Common Tussock Grass - Poa labillardieri
- Pale Rush – Juncus pallidus
- Common Spike Rush – Eleocharis acuta
Lilies and Orchids
- Chocolate Lily – Arthropodium strictum
- Yellow Bulbine-lily - Bulbine bulbosa
- Hyacinth Orchid – Dipodium roseum*
- Pale Flax Lily – Dianella longifolia*