Lachnagrostis filiformis Blown Grass
Lactuca serriola forma serriola Prickly Lettuce (*)
Lagenophora gracilis Slender Bottle-daisy, Slender Lagenophora
Lagenophora stipitata Blue Bottle-daisy, Common Lagenophora, Island Daisy
Lathyrus tingitanus Tangier Pea (*)
Laxmannia compacta Compact Wire-lily
Laxmannia gracilis Slender Wire-lily, Silverweed
Leionema ambiens Forest Phebalium, Fruit Salad Plant (NT)
Leionema ambiens x L.rotundifolium -
Leionema rotundifolium Round-leaved Phebalium
Lepidium africanum Common Peppercress, Rubble Peppercress (*)
Lepidium bonariense Argentine Peppercress (*)
Lepidosperma gunnii Little Sword-sedge, Slender Sword-sedge
Lepidosperma laterale Narrow Sword-sedge, Variable Sword-sedge
Lepidosperma limicola Razor Sedge
Lepidosperma tuberculatum var. grande Sticky Sword-sedge
Leptorhynchos squamatus subsp. squamatus Scaly Buttons
Leptospermum arachnoides Prickly Tea-tree
Leptospermum brachyandrum Weeping Tea-tree
Leptospermum brevipes Grey Tea-tree, Slender Tea-tree
Leptospermum brevipes x L. microcarpum -
Leptospermum gregarium -
Leptospermum microcarpum Small-fruited May, Small-fruited Tea-tree
Leptospermum minutifolium Small-leaved Tea-tree
Leptospermum novae-angliae New England Tea-tree
Leptospermum polygalifolium Common Tea-tree, Tantoon, Yellow Tea-tree, Wild May
Leptospermum trinervium Flaky-barked Tea-tree, Paperbark Tea-tree, Slender Tea-tree, Woolly Tea-tree
Lepyrodia anarthria Scale Rush
Lepyrodia leptocaulis -
Leucochrysum albicans var. albicans Hoary Sunray
Leucopogon affinis Lance Beard-heath
Leucopogon biflorus Twin-flowered Beard-heath
Leucopogon melaleucoides Snowbush
Leucopogon microphyllus var. microphyllus Hairy Beard-heath, Small-leaved White Beard-heath
Leucopogon muticus Blunt Beard-heath
Leucopogon neoanglicus New England Beard-heath
Limosella australis Austral Mudwort
Linum marginale Native Flax, Wild Flax
Lipocarpha microcephala Button Rush
Lissanthe strigosa subsp. subulata Peach Heath
Lobelia andrewsii Trailing Lobelia
Lobelia gibbosa var. gibbosa Tall Lobelia
Lobelia purpurascens White Root
Logania albiflora Narrow-leaf Logania
Lolium perenne Perennial Ryegrass (*)
Lolium perenne x L.rigidum Ryegrass (*)
Lolium x hubbardii Ryegrass (*)
Lomandra confertifolia subsp. pallida Mat-rush
Lomandra filiformis subsp. filiformis Wattle Mat-rush
Lomandra leucocephala subsp. leucocephala Irongrass, White Mat-rush, Woolly Mat-rush, Woolly-head Mat-rush
Lomandra longifolia Honey Reed, Long-leaved Mat-rush, Spiny-headed Mat-rush
Lomandra multiflora subsp. multiflora Many-flowered Mat-rush
Lomatia silaifolia Crinkle Bush, Fern-leaved Lomatia, Parsley Bush
Lonicera japonica Japanese Honeysuckle (*)
Lotus australis Austral Indigo, Australian Lotus, Australian Trefoil
Lotus corniculatus Birds-foot Trefoil (*)
Lotus subbiflorus Hairy Bird's-foot Trefoil (*)
Lotus uliginosus Greater Bird's-foot Trefoil, Greater Lotus, Greater Trefoil (*)
Luzula flaccida Flaccid Luzula, Pale Wood-rush
Lyperanthus suaveolens Brown Beaks
Lysimachia arvensis Scarlet Pimpernel (*)
Lythrum hyssopifolia Hyssop Loosestrife, Lesser Loosestrife, Small Loosestrife
Lythrum salicaria Purple Loosestrife
