Myrtales
Family: Alzateaceae
–No subordinate taxa
Family: Combretaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Combretum kasaiense | Liben | 1934 | DR Congo | Missing | Access | |
| Combretum lindense | Exell & Mildbr. | 1935 | Tanzania | Missing | Access | |
| Combretum tenuipetiolatum | Wickens | 1928 | Rabai (Mpya) & Mombasa, Kenya (& Potwe Forest, Tanzania?) | Missing | Access | |
| Combretum towaense | Engl. & Diels | 1895 | DR Congo | Missing | Access | |
| Terminalia acuminata | (Fr. Allemão) Eichler | - | Mata Atlantica Hotspot, Brazil | Rediscovered | Access | |
| Terminalia exelliana | Capuron | 1966 | Madagascar | Missing | Access | |
|
Terminalia kangeanensis |
Slooten (1924) | (rediscovered) | Kangean archipelago, Indonesia | Rediscovered | Access |
Family: Crypteroniaceae
–No subordinate taxa
Family: Lythraceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Ammannia alternifolia | H.Perrier | 1900 | Madagascar | Missing | Access | |
| Ammannia calcicola | (H.Perrier) S.A.Graham & Gandhi | 1908 | Madagascar | Missing | Access | |
| Cuphea crudyana | Koehne | ? | St. Lucia | Extinct | Access | |
| Ginoria callosa | O.C.Schmidt | Cuaresmilla Espinosa | 1925 | Haiti, Hispaniola | Missing | Access |
| Rotala simpliciuscula | (Kurz) Koehne, 1881 | 1925 | Bangladesh | Missing | Access | |
| Tetrataxis salicifolia | (Thouars ex Tul.) Baker | (rediscovered) | Mauritius | Rediscovered | Access |
Family: Melastomataceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Adelobotrys atlanticus | Schulman | 1943 | Bahia, Brazil | Missing | Access | |
|
Astronidium floribundum
|
(Gillespie) A.C. Smith | 1927 | south-eastern slope of Mt Korombamba, Viti Levu, Fiji | Extinct | Access | |
| Astronidium kasiense | A.C. Smith | 1934 | Mt. Kasi, Vanua Levu, Fiji | Extinct | Access | |
| Astronidium lepidotum | A.C. Smith | 1964 | Waimaro River, Viti Levu, Fiji | Missing | Access | |
| Astronidium pallidiflorum | A.C. Smith | 1953 | hills west of Waivunu Creek, Viti Levu, Fiji | Missing | Access | |
| Behuria glazioviana | Cogn. | ? | Brazil | Invalid (synonym) | Access | |
| Cailliella praerupticola | Jacq.-Fél., 1939 | (rediscovered) | Guinea | Rediscovered | Access | |
| Conostegia grisebachii | Cogn. | ? | John Crow Mts., St Thomas, Jamaica (southeastern) | Missing | Access | |
| Dissotis longisepala | A.Fern. & R.Fern. | 1952 | Burundi | Missing | Access | |
| Huberia corymbosa | (Cogn.) Bochorny & R.Goldenb. | (rediscovered) | Brazil | Rediscovered | Access | |
| Huberia mourae | (Cogn.) Bochorny & R.Goldenb. | (rediscovered) | Brazil | Rediscovered | Access | |
|
Lijndenia acuminata
|
R.D. Stone | >50 years ago | Madagascar | Missing | Access | |
| Lijndenia brenanii | (A.Fern. & R.Fern.) Jacq.Fél. | 1961 | Usambara Mountains, Tanzania | Missing | Access | |
| Lijndenia densiflora | R.D. Stone | >50 years ago | Madagascar | Missing | Access | |
| Lijndenia melastomoides | (Naudin) Jacq.-Fél. | - | Madagascar | Rediscovered | Access | |
| Lijndenia ramiflora | Jacq.-Fél. | >50 years ago | Madagascar | Missing | Access | |
| Lijndenia terminalis | Jacq.-Fél. | >50 years ago | Madagascar | Missing | Access | |
| Medinilla kandavuensis | A.C.Sm. | ? | Fiji | Extinct | Access | |
| Melastoma tetramerum tetramerum | Hayata | - | Bonin Islands (=Ogasawara Islands), Japan | Rediscovered | Access | |
|
Memecylon amplifolium |
R.D. Stone (2006) | 27 May 1997 or later | Madagascar | Missing | Access | |
| Memecylon buxoides |
Wickens
|
? | Kenya | Extinct | Access | |
|
Memecylon crassinerve |
Blume (1851) | (rediscovered) | Nosy Bé, Madagascar | Rediscovered | Access | |
| Memecylon elegantulum | Thwaites | ? | Sri Lanka (south-west) | Missing | Access | |
| Memecylon isaloense | Jacq.-Fél. | 1955 | Madagascar | Missing | Access | |
|
Memecylon multinode |
Jacq.-Fél. (1985) | 1 May 1966 or later | Madagascar | Missing | Access | |
| Memecylon sisparense | Gamble, 1919 | - | Tamil Nadu, Western Ghats (southern), India | Rediscovered | Access | |
| Meriania versicolor | L.Uribe | ? | Cundinamarca, Colombia | Missing | Access | |
|
Miconia abscondita |
Majure, Judd & Skean (2015) | - | Hispaniola | Rediscovered | Access | |
| Miconia hybophylla | (Urb.) Majure & Judd | 1925 | Haiti, Hispaniola | Missing | Access | |
|
Miconia longisetosa
|
Wurdack | 1886 | Ecuador | Missing | Access | |
| Miconia marigotiana | (Urb. & Ekman) Majure & Judd | 1928 | Haiti, Hispaniola | Missing | Access | |
| Miconia ruizteranii | Wurdack | 1988 | Venezuela | Missing | Access | |
| Miconia scabra | Cogn. | 1876 | Volcán Chimborazo, Ecuador | Missing | Access | |
| Miconia turquinensis | Urb. & Ekman | - | Cuba | Rediscovered | Access | |
|
Microlicia maximowicziana
|
Cogn. | - | Minas Gerais, Brazil | Rediscovered | Access | |
| Microlicia riedeliana | Cogn. | - | Minas Gerais, Brazil | Rediscovered | Access | |
| Osbeckia moonii | Thw. | ? | Sri Lanka | Missing | Access | |
| Pleroma elegans | Gardner, 1843 | (rediscovered) | Rio de Janeiro, Brazil | Rediscovered | Access | |
| Pleroma virgatum | Gardner, 1843 | (rediscovered) | Rio de Janeiro, Brazil | Rediscovered | Access | |
| Sarcopyramis subramanii | M.P.Nayar, 1967 | (rediscovered) | India | Rediscovered | Access | |
|
Sonerila cordifolia
|
Cogn. | ? | Sri Lanka | Missing | Access | |
| Sonerila firma | (Thwaites ex C. B. Cl.) R. Lundin | ? | Sri Lanka | Missing | Access | |
| Sonerila tomentella | Thw. | ? | Sri Lanka | Missing | Access | |
| Sonerila wightiana | Arn. | ? | Sri Lanka | Missing | Access | |
| Warneckea superba | (A.Fern. & R.Fern.) Jacq.-Fél. | 3 December 1948 | DR Congo | Missing | Access |
Family: Myrtaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Calothamnus accedens | Hawkeswood, 1984 | Piawaning clawflower | - | Piawaning and Wongan Hills area, Western Australia (southwest), Australia | Rediscovered | Access |
| Calothamnus blepharantherus | F.Muell. | ? | Australia | Invalid (synonym) | Access | |
| Calytrix breviseta breviseta | Lindl. | Swamp starflower | - | Western Australia, Australia | Rediscovered | Access |
| Campomanesia lundiana | (Kiaerskou) Mattos | 1825 | Rio de Janeiro, Brazil | Extinct | Access | |
| Campomanesia prosthecesepala | Kiaerskou | 1800's | "Rio Manso", Minas Gerais State, Brazil | Missing | Access | |
| Campomanesia punctulata | (DC.) Mattos & D.Legrand | ? | ? | Invalid (synonym) | Access | |
| Darwinia divisa | Keighery & N.G.Marchant, 2002 | Divided darwinia | 1965 | Western Australia, Australia | Missing or extinct | Access |
|
Eucalyptus nutans
|
F. Muell., 1863 | - | Western Australia (southwest), Australia | Rediscovered | Access | |
| Eucalyptus rameliana | F.Muell., 1876 | Ramel's mallee, Giles' mallee | - | Western Australia, Australia | Rediscovered | Access |
| Eucalyptus steedmanii | C.A.Gardner, 1933 | Steedman's gum, Steedman's mallet | - | Western Australia (incl. Shire of Kondinin), Australia | Rediscovered | Access |
|
Eugenia albida
|
Bonpl. | 200+ years ago | Ecuador | Missing | Access | |
| Eugenia argentea | Bedd. | (rediscovered) | India | Rediscovered | Access | |
| Eugenia balancanensis | Lundell | 1983 | Mexico | Missing | Access | |
| Eugenia bojeri | Baker | - | Mauritius, Mascarene Islands | Rediscovered | Access | |
| Eugenia cydoniifolia | O.Berg | - | Bolivia | Rediscovered | Access | |
| Eugenia fajardensis | Krug & Urban, 1895 | - | Puerto Rico | Rediscovered | Access | |
| Eugenia guayaquilensis | (Kunth) DC. | pre-1823 | near Guayaquil, Ecuador | Missing | Access | |
| Eugenia holdridgei | Alain | 1945 | Haiti, Hispaniola | Missing | Access | |
| Eugenia inconspicua | Standl. | 1904 | Sinaloa, Mexico | Missing | Access | |
| Eugenia insignis | Thwaites | ? | Sri Lanka (south-west) | Missing | Access | |
| Eugenia kameruniana | Engl. 1899 | pre-1899 | Mt. Cameroon, Cameroon | Missing | Access | |
| Eugenia klossii | Ridley | ? | Malaysia | Missing | Access | |
| Eugenia longuensis | N. Snow, 2008 | ? | Mauritius, Mascarene Islands | Missing | Access | |
| Eugenia minguetii | Urb. | 1924 | Haiti, Hispaniola | Missing | Access | |
| Eugenia myriantha | King | ? | Malaysia | Missing | Access | |
| Eugenia pusilla | N.E.Br. | 1920 | Mpumalanga Province, South Africa | Missing | Access | |
| Eugenia scheffleri | Engl. & Brehmer | 1900 | Usambara Mountains, Tanzania | Missing | Access | |
| Eugenia subamplexicaulis | DC. | - | Rio de Janeiro & São Paulo, Brazil | Rediscovered | Access | |
| Eugenia singampattiana | Beddome | pre-1898 | Tamil Nadu, India | Missing | Access | |
| Eugenia vatomandrensis | H.Perrier | 1921 | Madagascar | Missing | Access | |
| Gomidesia mugnifolia | Berg | - | Rio de Janeiro, Brazil | Rediscovered | Access | |
|
Gossia gonoclada
|
(F.Muell. ex Benth.) N.Snow & Guymer | Square-stemmed, Angle-stemmed myrtle | (rediscovered) | Queensland, Australia | Rediscovered | Access |
|
Homoranthus elusus
|
L.M.Copel. | New South Wales, Australia | Missing | Access | ||
| Hypocalymma longifolium | F.Muell. | - | Western Australia | Rediscovered | Access | |
| Melaleuca graminea | S.Moore | ? | ? | Invalid (synonym) | Access | |
| Melaleuca tuberculata arenaria | (C.A.Gardner) Craven | (rediscovered) | Western Australia, Australia | Rediscovered | Access | |
| Metrosideros sp. nov. 'Rapa Nui' | - | subfossil | Rapa Nui (=Easter Island) | Extinct | Access | |
| Myrcia hernandezii | Parra-O. | 1965 | Colombia | Missing | Access | |
| Myrcia johnstonii | (McVaugh) A.R.Lourenço & Parra-Os. | 1956 | Panama | Missing | Access | |
| Myrcia monoclada | Sobral | 1977 | Bahia, Brazil | Missing | Access | |
|
Myrcia neocambessedeana
|
E.Lucas & Sobral | early 1800's | Rio de Janeiro, Brazil | Extinct | Access | |
| Myrcia skeldingii | Proctor | 1972 | along the Mason River, Jamaica | Extinct | Access | |
| Myrcia zanquinensis | (Ant.Molina) A.R.Lourenço & Sánchez-Cháv. | 1950 | Honduras | Missing | Access | |
| Myrcianthes esnardiana | (Urb. & Ekman) Alain | 1926 | Haiti, Hispaniola | Missing | Access | |
| Plinia recurvata | Urb. | ? | Cuba | Extinct | Access | |
| Plinia rogersiana | Mattos | 1969 | Brazil | Missing | Access | |
| Psidium dumetorum | Proctor | 1976 | streamside thicket in Clarendon, Jamaica | Extinct | Access | |
| Psidium hotteanum | Urb. & Ekman | 1926 | Haiti, Hispaniola | Missing | Access | |
| Scholtzia sp. bickley | - | 1920 | Western Australia, Australia | Missing | Access | |
| Syzygium badescens | P.S.Ashton | 1932 | Malaysia | Missing | Access | |
|
Syzygium balfourii
|
(Baker) J.Guého & A.J.Scott | Bois de clous | 1874 | Rodrigues, Mascarene Islands | Missing | Access |
|
Syzygium bourdillonii
|
(Gamble) Rathakr. & N. C. Nair | - | Western Ghats, India | Rediscovered | Access | |
| Syzygium courtallense | (Gamble) Alston | - | India | Rediscovered | Access | |
| Syzygium gambleanum | Rathakr. & Chitra | ? | India | Invalid (synonym) | Access | |
| Syzygium horsfieldii | (Miq.) Widodo | 1802 | Java, Indonesia | Missing | Access | |
| Syzygium humblotii | (H. Perrier) Labat & G.E. Schatz |
? |
Comoros archipelago | Missing | Access | |
| Syzygium kanarense | (Talbot) Raizada | - | Karnataka, Western Ghats, India | Rediscovered | Access | |
| Syzygium microphyllum | Gamble | ? | India | ? | Access | |
| Syzygium myhendrae | (Bedd. ex Brandis) Gamble | - | Western Ghats (southern), India | Rediscovered | Access | |
|
Syzygium nusatenggaraense |
Sunarti & Y.W.Low (2022) | 18 September 1971 | Flores & Sumbawa, Lesser Sunda Islands | Missing | Access | |
| Syzygium palghatense | Gamble | ? | India | Rediscovered? | Access | |
| Syzygium phaeophyllum | Merr. & Perry | 1934 | Taveuni, Fiji | Missing | Access | |
| Syzygium phyllyraeoides | (Trimen) Santapau | ? | Kanneliya Forest Reserve, Sri Lanka | Missing | Access | |
| Syzygium sylvestre | Thwaites | ? | Sri Lanka (south-west) | Missing | Access | |
| Syzygium teretiflorum | (Koord. & Valeton) Amshoff | 1900 or prior | Java, Indonesia | Missing | Access | |
| Syzygium travancoricum | Gamble | Travancore syzygium | - | Kerala, India | Rediscovered | Access |
| Syzygium vrieseanum | (Miq.) Amshoff | c.1850 | Java, Indonesia | Missing | Access | |
| Syzygium sp. nov. 'Rapa Nui' | - | subfossil | Rapa Nui (=Easter Island) | Extinct | Access | |
| Tristaniopsis jaffrei | J.W.Dawson | 2002 | New Caledonia | Missing | Access | |
| Verticordia carinata | Turcz. | Pea-shaped featherflower, Stirling Range featherflower | (rediscovered) | Western Australia, Australia | Rediscovered | Access |
|
Verticordia fimbrilepis australis
|
A.S.George, 1991 | Shy featherflower, Shy feather flower, Southern shy featherflower | - | Kent River, Willyung Hill & near Woodanilling, Western Australia (southwestern), Australia | Rediscovered | Access |
|
Verticordia hughanii
|
F.Muell. | Hughan's featherflower | (rediscovered) | Western Australia, Australia | Rediscovered | Access |
| Verticordia plumosa ananeotes | A.S.George, 1991 | Tufted plumed featherflower | - | Western Australian, Australia | Rediscovered | Access |
|
Xanthostemon glaucus
|
Pampan. | 1868 | New Caledonia | Missing | Access | |
| Xanthostemon sebertii | Guillaumin | (rediscovered) | Prony Bay, New Caledonia | Rediscovered | Access |
Family: Onagraceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Clarkia mosquinii | E.Small | Mosquin's clarkia | - | California, USA | Rediscovered | Access |
| Epilobium trichophyllum | Hausskn., 1879 | - | (rediscovered) | Sikkim Himalaya, India | Rediscovered | Access |
|
Lopezia conjugens
|
T. S. Brandegee | 25 October 1904 | Sinaloa, Mexico | Missing | Access | |
| Lopezia sinaloensis | Munz | ? | Sinaloa, Mexico | Missing | Access | |
| Ludwigia burchellii | (Micheli) Hara | ? | Brazil | Missing | Access | |
| Oenothera kleinii | W.L.Wagner & S.W.Mill | ? | Mexico or USA (or both) | Invalid (synonym) | Access |
Family: Penaeaceae
–No subordinate taxa
Family: Vochysiaceae
–No subordinate taxa