Wattles (Acacia species) Ball or rod flowers. Trees or shrubs or prostrate.
Daisies With radiating petals or button daisies, or thistles
Peas Yellow peas and Egg and Bacon Peas
Tree of Heaven (*Ailanthus altissima) Tree with divided leaves.
Wild Cabbage(*Brassica oleracea) Fruit spreading, beaked, slightly consricted between seeds.
Twiggy Turnip(*Brassica fruticulosa) Fruit spreading, held erect, on curved stalks.
Mediterranean Turnip(*Brassica tournefortii) Fruit spreading,curved.
Black Mustard(*Brassica nigra) Fruit short, almost square in x section.
Sand Rocket (Diplotaxis tenuifolia) Leaves narrow, lower leaves with narrow lobes.
Buchan Weed (Hirschfeldia incana) Fruit beaked, appressed to stem.
Californian Poppy (Eschscholzia californica) Herb with bright yellow poppy flowers.
Fennel (*Foeniculum vulgare) Erect with many parsley-like flower clusters. Leaves divided into many thread-like segments.
Guinea flowers (Hibbertia species) Large bright yellow 5 petalled flowers. Prostrate or erect.
St John's Wort (*Hypericum perforatum) Erect. 30cm+ high. Yellow flowers with many stamens. Black oil dots on leaves.
St John's Wort (Hypericum gramineum Erect. 30cm or less. Yellow flowers with many stamens.
Ixia (Ixia maculata) Bright yellow flowers with dark centres. Strap shaped leaves.
Yellow Galaxia (*Moraea fugassisima Resembles a yellow onion weed.
Tree Tobacco (*Nicotina glauca) Open shrub. Long tube flowers.
Evening Primrose (*Oenothera stricta) Yellow turning orange flowers. Herb.
Soursob (*Oxalis pes-caprae) Flowers bright yellow. Weedy.
Small Yellow Wood Sorrels (Oxalis) species. Flowers yellow, stalked. Fruit various.
Sticky Cape Goosberry (*Physalis hederaefolia) Pale flowers. Inflated fruit.
Purslane (*Portulaca oleracea) Prostrate succulent. Yellow flowers.
Buttercups (Ranunculus species) Slender. Glossy yellow flowers. 5 petals.
Wild Radish (*Raphanus raphanistrum.) 4 yellow petals fade to white. Stout fruit.
London Rocket (*Sisimbrium irio) 4 yellow petals. Fruit slender, curved, beakless,and diverging.
Indian Hedge Mustard (*Sisimbrium orientale) 4 yellow petals. Leaves lobed. Fruit slender, curved, beaked and diverging.
London Rocket (*Sisimbrium officinale) 4 yellow petals. Fruit tapering, held close to stems. Common.
Caltrop (*Tribulus terrestris) Prostrate. Spiny seeds.
Twiggy Mullein (*Verbascum virgatum) Showy yellow flowers along a central erect stalk.
Aarons Rod (*Verbascum thaspus) Yellow flowers along a central erect stalk. Leaves woolly.
Bulbine Lily (Bulbine bulbosa) Yellow flowers open progressively. Leaves onion-like.
Golden Pennants (Glischrocaryon behrii) Herb. Locally rare.
Primrose Goodenia (Goodenia blackiana) Herb. Glossy green basal leaves. Common.
Hop Goodenia (Goodenia ovata) Shrub with finely-toothed leaves. Rare.
Cut-leaf Goodenias (Goodenia pinnatifida) Herb. Deeply divided basal leaves. Uncommon.
Yellow Stars (Hypoxis species) Herbs. Starry flowers. Common.
Gagaea (Gagea species) Herbs. Starry flowers. leafy stems. Very rare.
Prickly Pears (Opuntia species) Prickly Pear with oval branches.
Stiff Geebung (Persoonia rigida) Shrub. Widespread.
Dwarf Geebung (Persoonia chamaepeuce) Prostrate shrub. Southern districts.
Curved Rice-flower (Pimelea curviflora Flower in small clusters. Tube curved. Uncommon.
Yellow Rush-lily (Tricoryne elatior Wiry branched stems. Summer-autumn flowering. Mod common.
Spur Velleia (Velleia paradoxa Branched stems. Leaves not toothed. Common
Bitter Melon Citrullus lanatus Cricket-ball sized melons. Uncommon.
Yellow Centaury Sebaea ovata Herb with paired ovate leaves. 5 yellow petals. Mod common.
Spreading Night-phlox (Zalusianskya divaricata) Paired leaves . Long-tubed flowers.
Many-flowered Mat-rush (Lomandra multiflora) Flowers in rings. Common.
Wattle Mat-rush (Lomandra filiformis) Flowers separate, stalked. Very common.
Spiny Mat-rush (Lomandra longifolia) Flowers spiky. Common to south.
Small Mat-rush (Lomandra nana) Flowers clustered. Rare.
Small-flowered Mat-rush (Lomandra micrantha) Flowers pale. Narrow leaves. Rare.