Proteales (Proteas, Planes, Sacred lotuses and allies)
Family: Nelumbonaceae (Sacred lotus family) [1 genus; 2 species]
–No subordinate taxa
Family: Platanaceae (Plane tree family) [1 genus; 10 species]
–No subordinate taxa
Family: Proteaceae (Protea family) [76 genera; 1872 species]
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile | 
| Adenanthos × cunninghamii | Meisn. (1845) | Albany woollybush, Prostrate woollybush, boyur | (rediscovered) | Western Australia, Australia | Rediscovered | Access | 
| Banksia aculeata | A.S.George (1981) | Prickly banksia | (rediscovered) | south-west Western Australia, Australia | Rediscovered | Access | 
| Banksia audax | C.A.Gardner (1927) | Dwarf dryland banksia | (rediscovered) | 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 | (rediscovered) | Hitchinbrook Island and adjacent mainland, Queensland, Australia | Rediscovered | Access | 
| Banksia sphaerocarpa latifolia | F.Muell. ex Benth. (1870) | - | (rediscovered) | Porongurup Range & Mount Barker district, Western Australia, Australia | Rediscovered | Access | 
| Beauprea penariensis | Guillaumin (1935) | - | 1872 or 1876 | Mt. Pénari, New Caledonia | Missing | Access | 
| Conospermum caeruleum contortum | E. M. Benn. (1995) | - | 29 October 1948 | Western Australia, Australia | Missing or Extinct | Access | 
| Conospermum galeatum | E.M.Benn. (1995) | - | (rediscovered) | Western Australia, Australia | Rediscovered | Access | 
| Diastella buekii | (Gand.) Rourke (1976) | Franschhoek silkypuff | (rediscovered) | South Africa | Rediscovered | Access | 
| Faurea lucida | De Wild. (1929) | - | 1915 | DR Congo | Missing | Access | 
| Grevillea batrachioides | F.Muell. ex McGill. (1986) | Mount Lesueuer grevillea | (rediscovered) | Mid West region, Western Australia, Australia | Rediscovered | Access | 
| Grevillea beadleana | McGill. (1986) | Beadle's Grevillea | (rediscovered) | New South Wales, Australia | Rediscovered | Access | 
| Grevillea divaricata | R.Br. (1830) | - | 1823 | north of Bathurst, New South Wales, Australia | Missing or Extinct or Rediscovered | Access | 
| Grevillea flexuosa | (Lindl.) Meisn. (1845) | Tangled grevillea, Zig Zag grevillea | (rediscovered) | Western Australia, Australia | Rediscovered | Access | 
| Grevillea lissopleura | McGill. (1986) | - | (rediscovered) | Western Australia, Australia | Relocated or Rediscovered | Access | 
| Grevillea molyneuxii | McGill. (1986) | Wingello grevillea | (rediscovered) | New South Wales, Australia | Rediscovered | Access | 
| Grevillea rara | Olde & Marriott (1993) | Rare grevillea | (rediscovered) | near Collie, Western Australia, Australia | Rediscovered in the wild | Access | 
| Grevillea rosmarinifolia rosmarinifolia | A.Cunn. (1825) | - | (rediscovered) | New South Wales, Australia | Rediscovered | Access | 
| Grevillea scabra | Meisn. (1845) | - | (rediscovered) | Western Australia, Australia | Rediscovered | Access | 
| Grevillea scapigera | A.S..George (1974) | Corrigin grevillea | (rediscovered) | Corrigin area, Western Australia, Australia | Rediscovered in the Wild | Access | 
| Grevillea speckiana | Olde (2021) | - | 24 September 1953 | Shark Bay region, Western Australia, Australia | Missing | Access | 
| Grevillea williamsonii | F.Müll. (1893) | Williamson's grevillea | (rediscovered) | Victoria, Australia | Invalid (synonym) | Access | 
| Hakea crassinervia | Meisn. (1845) | - | 16 March 1840 or later | Western Australia, Australia | Invalid (synonym) | Access | 
| Hakea pulvinifera | L.A.S.Johnson (1962) | Lake Keepit hakea | (rediscovered) | near Lake Keepit, New South Wales, Australia | Rediscovered | Access | 
| Hakea tamminensis | C.A.Gardner (1964) | - | ? | Western Australia, Australia | Invalid (synonym) | Access | 
| Helicia subcordata | Foreman (1985) | - | (rediscovered) | Papua New Guinea | Rediscovered | Access | 
| Isopogon uncinatus | R.Br. (1830) | - | (rediscovered) | Western Australia, Australia | Rediscovered | Access | 
| Leucadendron comosum homaeophyllum | (Meisn.) L.J.M.Williams (1972) | Villiersdorp ridge-cone conebush | 2002 | South Africa | Uncertain | Access | 
| Leucadendron elimense vyeboomense | I.Williams (1972) | Vyeboom conebush | (rediscovered) | Viljoen's Pass to Theewaterskloof Dam, Western Cape Province, South Africa | Rediscovered (twice) | Access | 
| Leucadendron spirale | (Salisb. ex Knight) I.Williams (1967) | Wolseley conebush | 1933 | Breede River Valley between Wolseley and Botha, Western Cape Province, South Africa | Extinct | Access | 
| Leucadendron vinimontis | Rebelo (2022) | Mountain rose, Wynberg conebush | 1806 | Wynberg Hill, Cape Town, Cape Peninsula, Western Cape Province, South Africa | Extinct | Access | 
| Leucospermum glabrum | E.Phillips (1910) | Outeniqua pincushion, Outeniekwa-kreupelhout | (rediscovered) | South Africa | Rediscovered | Access | 
| Mimetes stokoei | E.Phillips & Hutch. (1922) | Mace pagoda | (rediscovered) | South Africa | Rediscovered | Access | 
| Panopsis hernandezii | L.E.Gut. (1992 "1991") | - | 1988 | Colombia | Missing | Access | 
| Persoonia laxa | L.A.S. Johnson & P.H. Weston (1991) | - | June 1908 | New South Wales, Australia | Missing or Extinct | Access | 
| Persoonia leucopogon | S.Moore (1899) | - | (rediscovered) | Western Australia, Australia | Rediscovered | Access | 
| Persoonia prostrata | R.Br. (1810) | - | 31 July 1802 or later; 1901? | Fraser Island (northern tip), Queensland, Australia (eastern) | Missing or Extinct | Access | 
| Protea odorata | Thunb. (1800) | Swartland sugarbush | (rediscovered) | Western Cape Province, South Africa | Rediscovered | Access | 
| Roupala tobagensis | Sleumer (1955) | - | 1910 | Trinidad & Tobago | Missing | Access | 
| Serruria ciliata congesta | (R.Br.) Hutch. (year?) | Macassar spiderhead | 1980's | South Africa | Extinct or Extinct in the wild or Invalid (synonym) | Access | 
| Serruria furcellata | R.Br. (1810) | Kraaifontain spiderhead | (rediscovered) | South Africa | Rediscovered | Access | 
| Serruria roxburghii | R.Br. (1810) | Short-leaf Spiderhead, Shortleaf Spiderhead | (rediscovered) | Western Cape Province, South Africa | Rediscovered | Access | 
| Serruria scoparia | R.Br. (1810) | Forlorn spiderhead | (rediscovered) | South Africa | Rediscovered | Access | 
| Sorocephalus crassifolius | Hutch. (1912) | Flowerless clusterhead | 2001 | Western Cape Province, South Africa | Missing | Access | 
| Sorocephalus palustris | Rourke (1969) | Mat clusterhead | 1984 or 1997 | Kogelberg, Western Cape Province, South Africa | Missing | Access | 
| Sorocephalus tenuifolius | (Knight) R.Br. (1810) | Diminutive clusterhead | (rediscovered) | South Africa | Rediscovered | Access | 
| Stenocarpus dumbeensis | Guillaumin (1935) | - | 1905 | Nouméa region, New Caledonia | Extinct or Rediscovered | Access | 
| Stenocarpus villosus | Brongn. & Gris (1865) | - | 1860 | New Caledonia | Rediscovered? | Access | 
| Triunia robusta | (C.White) D.Foreman (1986) | Glossy spice bush | (rediscovered) | Queensland, Australia | Rediscovered | Access | 
Family: Sabiaceae (Sabia family) [3 genera; 162 species]
–No subordinate taxa
Statistics
| Conservation status | Number of taxa (in percentage) | 
| Extinct | 3 (6.12%) | 
| Missing | 7 (14.29%) | 
| Extinct in the Wild | 0 | 
| Possibly Extinct in the Wild | 0 | 
| Globally Rediscovered | 27 (55.10%) | 
| Rediscovered in the Wild | 2 (4.08%) | 
| Reintroduced | 0 | 
| Hypothetical | 0 | 
| Invalid | 3 (6.12%) | 
| Erroneously listed | 0 | 
| Uncertain status | 7 (14.29%) | 
| Total | 49 | 
Appendix 1: Forms that were rediscovered
Banksia elegans 'Fraser Road form' / 'northern large flowering form'
