Proteales
Family: Nelumbonaceae
–No subordinate taxa
Family: Platanaceae
–No subordinate taxa
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 | |
| Diastella buekii | (Gand.) Rourke | (rediscovered) | South Africa | Rediscovered | Access | |
| Faurea lucida | De Wild. | 1915 | DR Congo | 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 scabra | Meisn. | (rediscovered) | Western Australia, Australia | Rediscovered | Access | |
| Grevillea scapigera | A.S..George | Corrigin grevillea | - | Corrigin area, Western Australia, Australia | Rediscovered | Access |
|
Grevillea speckiana |
Olde (2021) | 24 September 1953 | Shark Bay region, Western Australia, Australia | Missing | Access | |
| Grevillea williamsonii | F. Müll., 1893 | Williamson's grevillea | - | Victoria, Australia | Rediscovered | Access |
| Hakea crassinervia | Meisn. | ? | Western Australia, Australia | Invalid (synonym) | Access | |
| Hakea pulvinifera | L. Johnson, 1962 | Lake Keepit hakea | - | near Lake Keepit, New South Wales, Australia | Rediscovered | Access |
| Hakea tamminensis | C.A.Gardner | ? | Western Australia, Australia | Invalid (synonym) | Access | |
| Helicia subcordata | D.Foreman | - | Papua New Guinea | Rediscovered | Access | |
| Isopogon uncinatus | R.Br. | (rediscovered) | Western Australia, Australia | 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 | |
| Leucospermum glabrum | E.Phillips | (rediscovered) | South Africa | Rediscovered | Access | |
| Mimetes stokoei | E.Phillips & Hutch. | Mace pagoda | - | South Africa | Rediscovered | Access |
| Panopsis hernandezii | L.E.Gut. | 1988 | Colombia | Missing | Access | |
|
Persoonia laxa
|
L.A.S. Johnson & P.H. Weston, 1991 | 1908 | New South Wales, Australia | Missing | Access | |
| Persoonia leucopogon | S.Moore | (rediscovered) | Western Australia, Australia | Rediscovered | Access | |
| Persoonia prostrata | R.Br., 1810 | 31 July 1802 or later | Fraser Island (northern tip), Queensland, Australia (eastern) | Extinct or invalid (synonym) | Access | |
|
Protea odorata |
Thunb. | Swartland sugarbush | (rediscovered) | Western Cape Province, South Africa | Rediscovered | Access |
| Roupala tobagensis | Sleumer | 1910 | Trinidad & Tobago | Missing | 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 crassifolius | Hutch. | Flowerless clusterhead | 2001 | Western Cape Province, South Africa | Missing | 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 |
Family: Sabiaceae
–No subordinate taxa