Proteales
Taxonomy
Family: Proteaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
Adenanthos × cunninghamii | Meisn. | Albany woollybush | - | Western Australia, Australia | Invalid (hybrid) | Access |
| Banksia audax | C.A.Gardner | Dwarf dryland banksia | - | Western Australia, Australia | Rediscovered | Access |
| Banksia kingii | Jordan & Hill, 1991 | King's banksia | Late Pleistocene | Tasmania, Australia | Extinct | Access |
Banksia plagiocarpa | A.S.George, 1981 | Dallachy's Banksia, Blue Banksia | - | Hitchinbrook Island and adjacent mainland, Queensland, Australia | Rediscovered | Access |
| Banksia sphaerocarpa latifolia | F.Muell. ex Benth. 1870 | - | Porongurup Range & Mount Barker district, Western Australia, Australia | Rediscovered | Access | |
Conospermum caeruleum contortum | E. M. Benn. | ? | Western Australia, Australia | Missing | Access | |
Grevillea batrachioides | McGill. | Mount Lesueuer grevillea | - | Mid West region, Western Australia, Australia | Rediscovered | Access |
| Grevillea beadleana | McGill. | Beadle's Grevillea | - | New South Wales, Australia | Rediscovered | Access |
| Grevillea divaricata | R.Br., 1830 | 1823 | north of Bathurst, New South Wales, Australia | Extinct | Access | |
Grevillea flexuosa | (Lindl.) Meisn. | Tangled grevillea, Zig Zag grevillea | - | Western Australia, Australia | Rediscovered | Access |
| Grevillea molyneuxii | McGill. | Wingello grevillea | - | New South Wales, Australia | Rediscovered | Access |
| Grevillea rara | Olde & Marriott, 1993 | Rare grevillea | - | near Collie, Western Australia, Australia | Rediscovered | Access |
| Grevillea rosmarinifolia rosmarinifolia | Cunningham, 1825 | - | New South Wales, Australia | Rediscovered | Access | |
| Grevillea scapigera | A.S..George | Corrigin grevillea | - | Corrigin area, Western Australia, Australia | Rediscovered | Access |
| Grevillea williamsonii | F. Müll., 1893 | Williamson's grevillea | - | Victoria, Australia | Rediscovered | Access |
| Hakea pulvinifera | L. Johnson, 1962 | Lake Keepit hakea | - | near Lake Keepit, New South Wales, Australia | Rediscovered | Access |
| Helicia subcordata | D.Foreman | - | Papua New Guinea | Rediscovered | Access | |
| Leucadendron elimense vyeboomense | I.Williams | Vyeboom conebush | - | Viljoen's Pass to Theewaterskloof Dam, Western Cape Province, South Africa | Rediscovered | Access |
| Leucadendron grandiflorum | (Salisb.) R.Br. | Mountain rose, Wynberg conebush | 1806 | Wynberg Hill, Cape Town, Cape Peninsula, Western Cape Province, South Africa | Extinct | Access |
| Leucadendron spirale | (Salisb. ex Knight) I.Williams | 1933 | Breede River Valley between Wolseley and Botha, Western Cape Province, South Africa | Missing | Access | |
| Mimetes stokoei | E.Phillips & Hutch. | Mace pagoda | - | South Africa | Rediscovered | Access |
Persoonia laxa | L.A.S. Johnson & P.H. Weston, 1991 | 1908 | New South Wales, Australia | Missing | Access | |
| Persoonia prostrata | R.Br., 1810 | 31 July 1802 or later | Fraser Island (northern tip), Queensland, Australia (eastern) | Extinct or invalid (synonym) | Access | |
| Serruria aemula congesta | ? | Strawberry spiderhead | 1980's | South Africa | Extinct in the wild | Access |
| Serruria furcellata | R.Br. | Kraaifontain spiderhead | late 1980's | South Africa | Extinct in the wild | Access |
| Serruria scoparia | R.Br. | - | South Africa | Rediscovered | Access | |
Sorocephalus palustris | Rourke | - | Kogelberg, Western Cape Province, South Africa | Rediscovered | Access | |
| Sorocephalus tenuifolius | R.Br. | Diminutive clusterhead | - | South Africa | Rediscovered | Access |
Stenocarpus dumbeensis | Guillaumin | 1905 | Nouméa region, New Caledonia | Extinct | Access | |
| Stenocarpus villosus | Brongn. & Gris | 1860 | New Caledonia | Missing | Access | |
| Triunia robusta | (C.White) D.Foreman | Glossy spice bush | - | Queensland, Australia | Rediscovered | Access |