Gentianales
Family: Apocynaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Anechites nerium | (Aubl.) Urb. | (rediscovered) | Puerto Rico | Rediscovered | Access | |
|
Apocynum × jonesii |
Woodson (1930) | - | 1884 | Flagstaff, Arizona | Invalid (synonym) | Access |
| Asclepias bicuspis | N.E.Br. | (rediscovered) | KwaZulu-Natal, South Africa | Rediscovered | Access | |
| Asclepias dissona | N.E.Br., 1909 | 1932 | Carolina and Machadodorp, Mpumalanga Province, South Africa | Missing | Access | |
|
Asclepias nana |
I.Verd. (1924) | Dwarf meadow-star | 1922 | Limpopo Province, South Africa | Extinct | Access |
|
Asclepias rara |
N.E.Br. (1908) | - | pre-1905 | Eastern Cape Province, South Africa | Extinct | Access |
| Brachystelma attenuatum | (Wight) Hook f. | (rediscovered) | India | Rediscovered | Access | |
|
Brachystelma canum
|
R.A.Dyer | 1956 | between Setlagole and Mafeking, South Africa | Missing | Access | |
| Brachystelma discoideum | R.A.Dyer | post-1967 | Shoshanguve, north of Pretoria, Gauteng province, South Africa | Extinct in the wild? | Access | |
|
Brachystelma elenaduense
|
Char. ex Sathyanarayanachar | - | India | Rediscovered | Access | |
| Brachystelma gemmeum | R.A.Dyer | ? | Limpopo, Mpumalanga, South Africa | Missing | Access | |
| Brachystelma glenense | R.A.Dyer | ? | Free State, Limpopo, South Africa | Missing | Access | |
| Brachystelma gracillimum | R.A.Dyer | 1940 | Marico district, east of Ramotswa, South Africa | Missing | Access | |
| Brachystelma lankana | Dassanayake & Jayasuriya | ? | Knuckles region, Sri Lanka | Missing | Access | |
| Brachystelma longifolium | (Schltr.) N.E.Br. | ? | Elandspruit, Morgenzon and Amersfoort, Mpumalanga, South Africa | Missing | Access | |
| Brachystelma maculatum | Hook.f. | - | India | Rediscovered | Access | |
| Brachystelma natalense | (Schltr.) N.E.Br. | - | Pinetown, KwaZulu-Natal, South Africa | Rediscovered | Access | |
| Brachystelma occidentale | Schltr. | - | Cape Peninsula to Bredasdorp, Western Cape Province, South Africa | Rediscovered | Access | |
|
Brachystelma parviflorum |
(Wight) Hook.f. | (rediscovered) | Himachal Pradesh, India | Rediscovered | Access | |
| Brachystelma swazicum | R.A. Dyer | - | Mbabane (northeast), Swaziland | Rediscovered | Access | |
| Brachystelma volubile | Hook.f., 1885 | - | Kadapa district, Andhra Pradesh, India | Rediscovered | Access | |
| Camptocarpus cornutus | Klack. | 1932 | Madagascar | Missing | Access | |
| Caralluma diffusa | (Wight) N.E.Br., 1850 | - | Coimbatore District, Tamil Nadu, India | Rediscovered | Access | |
|
Ceropegia antennifera
|
Schltr. | ? | Newcastle district, KwaZulu-Natal, South Africa | Missing | Access | |
| Ceropegia blepharanthera | (Hans Huber) Bruyns | (rediscovered) | Angola & Namibia | Rediscovered | Access | |
| Ceropegia bowkeri bowkeri | Harv. | 100+ years ago | Mbashe River (near Collywobbles), Eastern Cape Province, South Africa | Missing | Access | |
| Ceropegia dubia | R.A.Dyer | ? | Eastern Cape Province, South Africa | Missing | Access | |
|
Ceropegia elegantior |
Bruyns (2017) | - | 2004 | Blouberg mountains, Limpopo Province, South Africa | Missing or Extinct | Access |
|
Ceropegia evansii
|
McCann | Evans ceropegia | - | India | Rediscovered | Access |
|
Ceropegia fantastica |
Sedgw. (1921) | - | - | Western Ghats, India | Erroneously listed as possibly extinct | Access |
| Ceropegia hookeri | Hooker 1885 | - | Himalayas | Rediscovered | Access | |
| Ceropegia lankana | (Dassan. & Jayas.) Bruyns (2017) | - | (rediscovered) | Sri Lanka | Rediscovered | Access |
| Ceropegia maculata | Bedd., 1864 | - | Kerala, Tamil Nadu, India | Rediscovered | Access | |
| Ceropegia omissa | H. Huber, 1957 | - | Tamil Nadu, Western Ghats, India | Rediscovered | Access | |
|
Ceropegia panchganiensis |
Blatt. & McCann (1933) | Panchgani ceropegia | (rediscovered) | Maharashtra, India | Rediscovered | Access |
| Ceropegia parviflora | Trimen (1889) | - | ? | Sri Lanka | Missing or Extinct | Access |
| Ceropegia rudatisii | Schltr. | (rediscovered) | uMzinto, KwaZulu-Natal, South Africa | Rediscovered | Access | |
| Ceropegia schoenlandiana | (Schltr.) Bruyns | ? | Uitenhage District, Eastern Cape Province, South Africa | Extinct | Access | |
| Ceropegia tabularia | (R.A.Dyer) Bruyns | ? | South Africa | Extinct | Access | |
| Ceropegia tomentosa | Schltr. | ? | Fort Bowker, between Butterworth and Umtata, Eastern Cape Province, South Africa | Missing | Access | |
| Condylocarpon glabrum | Müll.Arg. | ? | Brazil | Extinct | Access | |
|
Dischidia elmeri |
Schltr. | (rediscovered) | Mt Hamiguitan, Davao Oriental, Mindanao, Philippines | Rediscovered | Access | |
| Dischidia torricellensis | (Schltr.) P.I.Forst., 2000 | (rediscovered) | New Guinea | Rediscovered | Access | |
| Emicocarpus fissifolius | K.Schum. & Schltr. | 1966 | Mozambique | Missing | Access | |
| Gymnema rotundatum | Thwaites (1860) | - | ? | Sri Lanka | Missing or Extinct | Access |
| Hemipogon abietoides | E. Fourn. | (rediscovered) | Brazil | Rediscovered | Access | |
| Heterostemma deccanense | (Talb.) Swarup. & Mangaly | (rediscovered) | India | Rediscovered | Access | |
| Holarrhena pubescens | Wall. ex G.Don | (rediscovered) | Asia | Rediscovered | Access | |
| Hoya bonii | Constantin | (rediscovered) | Vietnam | Rediscovered | Access | |
| Huernia thudichumii | L.C.Leach | ? | South Africa | Invalid (synonym) | Access | |
| Huernia witzenbergensis | Lückh. | ? | Cape Province, South Africa | Missing | Access | |
| Hunteria hexaloba | (Pichon) Omino | 1902 | Gabon | Missing | Access | |
| Kopsia sumatrana | D.J.Middleton | 1988 | Sumatra, Indonesia | Missing | Access | |
|
Leichhardtia weberlingiana |
(Liede) Liede, Gâteblé & Meve (2020) | - | 1973 | Grande Terre, New Caledonia | Missing | Access |
| Mandevilla luetzelburgii | (Ross & Markgr.) Woodson, 1933 | (rediscovered) | Brazil | Rediscovered | Access | |
|
Marsdenia araujacea
|
F.Muell., 1868 | 1893 |
Queensland (northern), Australia
|
Missing | Access | |
| Marsdenia coronata | Benth. | (rediscovered) | Queensland, Australia | Rediscovered | Access | |
| Marsdenia tirunelvelica | A.N.Henry & Subram. (1976) | (rediscovered) | Tamil Nadu, India | Rediscovered | Access | |
| Marsdenia tubulosa | F.Müll. | 1871 | Mt Gower, Lord Howe Island, New South Wales, Australia | Extinct | Access | |
|
Matelea balbisii
|
(Dcne.) Woods. | Balbis' milkvine | Arizona, USA & Mexico | Rediscovered | Access | |
|
Matelea ecuadorensis
|
(Schltr.) Morillo | 1800's | Pichincha Province, Ecuador | Missing | Access | |
|
Matelea grisebachiana |
(Schltr.) Alain (1955) | - | 1860 | eastern Cuba | Extinct | Access |
| Matelea radiata | Correll | (rediscovered) | Texas, USA | Rediscovered | Access | |
| Minaria monocoronata | (Rapini) T.U.P. Konno & Rapini | 13 April 1994 | Brazil | Rediscovered? | Access | |
| Miraglossum laeve | F.K. Kupicha, 1984 | 1960 | Gauteng Province & North West Province, South Africa | Missing | Access | |
| Neoschumannia kamerunensis | Schltr. | (rediscovered) |
Cameroon, Central African Republic & Côte d'Ivoire
|
Rediscovered | Access | |
| Ochrosia bodenheimarum | Guillaumin | (rediscovered) | New Caledonia | Rediscovered | Access | |
|
Ochrosia brownii
|
(Fosberg & Sachet) Lorence & Butaud | After 2003 | Nuku Hiva, Marquesas Islands, French Polynesia | Extinct in the wild | Access | |
| Ochrosia fatuhivensis | Fosberg & Sachet, 1972 | (rediscovered) | Fatu Hiva, Marquesas Islands, French Polynesia | Rediscovered | Access | |
| Ochrosia kilaueaensis | H.St.John | 1927 | Hawai'i, Hawaiian Islands, USA | Missing | Access | |
| Ochrosia tahitensis | Lanessan ex Pichon | (rediscovered) | Tahiti, Society Islands, French Polynesia | Rediscovered | Access | |
| Orbea elegans | Plowes | ? | Blouberg, Limpopo Province, South Africa | Extinct in the wild | Access | |
|
Pachycarpus medusonema |
Bullock (1953) | - | 1962 | Cameroon | Missing | Access |
| Pachycarpus rostratus | N.E.Br. | ? | Nkandla district, KwaZulu-Natal, South Africa | Missing | Access | |
|
Peplonia riedelii |
(E.Fourn.) Fontella & Rapini | ? | Espírito Santo, Minas Gerais & Rio de Janeiro, Brazil | Missing | Access | |
| Prestonia schumanniana | Woodson | 1892 | Balao, Guayas Province, Ecuador | Missing | Access | |
| Pseudolithos cubiformis | (P.R.O.Bally) P.R.O.Bally | (rediscovered) | Somalia | Rediscovered | Access | |
|
Pteralyxia caumiana |
O.Deg. (1933) | - | ? | Oahu, Hawaiian Islands, USA | Invalid (synonym) | Access |
| Quaqua arenicola arenicola | (N.E.Br.) Plowes | ? | Cape Province, South Africa | Missing or invalid (synonym) | Access | |
|
Rauvolfia molokaiensis parvifolia |
O.Deg. & Sherff (1947) | - | ? | Hawaii (=Big Island), Hawaiian Islands, USA | Invalid (synonym) | Access |
| Rauvolfia nukuhivensis | (Fosberg & Sachet) Lorence & Butaud | (rediscovered) | Nuku Hiva, French Polynesia | Rediscovered | Access | |
|
Rauvolfia pruinosifolia |
I.Koch & Kin.-Gouv. (2007) | - | 1905 or 1963 | Minas Gerais, Brazil | Missing | Access |
|
Rauvolfia sachetiae |
Fosberg (1981) | - | 1970 | Hiva Oa, Marqueasas Islands, French Polynesia | Missing | Access |
| Riocreuxia flanaganii alexandrina | H.E.Huber | (rediscovered) | Umzinto district, KwaZulu-Natal, South Africa | Rediscovered | Access | |
| Riocreuxia woodii | N.E.Br., 1909 | 1884 | Inanda, KwaZulu-Natal, South Africa | Missing | Access | |
|
Ruehssia smithii |
(Morillo) Liede & H.A.Keller (2020) | - | 1968 | Lara, Venezuela | Extinct | Access |
| Ruehssia ulei | (Schltr. & W.Rothe) F.Esp.Santo & Rapini | ? | Bahia, Brazil | Missing | Access | |
| Schizostephanus gossweileri | (S.Moore) Liede | (rediscovered) | Angola & Namibia | Rediscovered | Access | |
| Stenostelma umbelluliferum | (Schltr.) S.P.Bester & Nicholas | (rediscovered) | South Africa | Rediscovered | Access | |
|
Toxocarpus beddomei |
Gamble (1922) | - | (rediscovered) | Kerala & Tamil Nadu, India | Rediscovered | Access |
| Whitesloanea crassa | (N.E.Br.) Chiov | (rediscovered) | Somalia | Rediscovered | Access | |
|
Wrightia flavidorosea |
Trimen (1885) | - | 1893 | Sri Lanka | Extinct | Access |
| Wrightia puberula | (Thwaites) Ngan | ? | Sri Lanka | Extinct | Access | |
|
Xysmalobium baurii
|
N.E.Br. | 1890 | Bizana, Eastern Cape Province, South Africa | Missing | Access | |
|
Xysmalobium pearsonii |
L.Bolus (1913) | - | 1910 | Kamiesberg, Northern Cape Province, South Africa | Extinct | Access |
| Xysmalobium winterbergense | N.E.Br., 1909 | ? | Winterberg Mountains, Eastern Cape Province, South Africa | Missing | Access |
Family: Gelsemiaceae
–No subordinate taxa
Family: Gentianaceae (Gentian family)
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Canscora stricta | Sedgw., 1921 | (rediscovered) | Mookambika Wildlife Sanctuary, Karnataka, India | Rediscovered | Access | |
|
Crawfurdia championii |
(Gardner) Alston (1931) | - | ? | Sri Lanka (& Vietnam?) | Missing | Access |
|
Gentiana baeuerlenii
|
L.Adams, 1988 | Baeuerlen's gentian | (rediscovered) | Australian Capital Territory & New South Wales | Rediscovered | Access |
| Gentiana infelix | C.B.Clarke | (rediscovered) | Himalayas | Rediscovered | Access | |
| Gentiana saginoides | Burkill, 1906 | (rediscovered) | Sunderdhunga Valley, Uttarakhand, India | Rediscovered | Access | |
| Gentiana tetrasepala | Biswas | (rediscovered) | Himalayas | Rediscovered | Access | |
|
Gentiana wingecarribiensis
|
L. Adams | Wingecarribee gentian, Swamp gentian | ? | New South Wales, Australia | Missing | Access |
|
Gentianella clelandii
|
(L.G.Adams) Glenny | 1940's? | South Australia, Australia | Missing | Access | |
| Tachiadenus umbellatus | Klack. | 1926 | Madagascar | Missing | Access | |
|
Veratrilla burkilliana |
(W.W.Sm.) Harry Sm. (1967) | - | (rediscovered) | East Himalaya, India & Tibet | Rediscovered | Access |
| Zeltnera namophila | (Reveal, C.R.Broome, & Beatley) G.Mans. | Spring-loving centaury | ? | California & Nevada, USA | Rediscovered? | Access |
Family: Loganiaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Logania depressa | Hook.f. | ? | New Zealand | Missing | Access | |
| Phyllangium palustre | (W.Fitzg.) Dunlop | (rediscovered) | Western Australia, Australia | Rediscovered | Access | |
|
Strychnos coriacea |
Thwaites (1864) | - | ? | Sri Lanka | Missing or Extinct | Access |
| Strychnos ridleyi | King & Gamble | 1894 | Singapore | Missing | Access |
Family: Rubiaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Acranthera philippinensis | Merr. | (rediscovered) | Mindanao, Philippines | Rediscovered | Access | |
|
Aidia tomentosa tomentosa |
(Blume) Ridsdale (1996) | - | 1869 | Java, Indonesia | Extinct | Access |
|
Aidia wattii |
G.Taylor (1944) | - | 1912 | São Tomé | Extinct | Access |
| Argocoffeopsis lemblinii | (A.Chev.) Robbr. | 1907 | Côte d'Ivoire (=Ivory Coast) | Extinct | Access | |
| Argostemma arachnosum | Merr. | (rediscovered) | Philippines | Rediscovered | Access | |
| Aulacocalyx jasminiflora kivuensis | E.Figueiredo (1997) | 1960 | DR Congo | Missing | Access | |
| Bertiera bistipulata | Bojer ex Wernham | ? | Mauritius, Mascarene Islands | Missing | Access | |
| Breonia membranacea | Havil. | 1957 | Madagascar | Missing | Access | |
| Breonia richardsonii | Razafim. | Valotrafotsy | 1965 | Madagascar | Missing | Access |
| Canthium macrocarpum | Thwaites (1859) | - | ? | Sri Lanka | Missing or Extinct | Access |
| Carpacoce gigantea | Puff | ? | South Africa | Rediscovered | Access | |
| Catesbaea phyllacantha | Griseb. | ? | Cuba | Extinct | Access | |
|
Chassalia boryana
|
DC., 1830 | Mauritian coral tree | - | Mauritius, Mascarene Islands | Rediscovered | Access |
| Chassalia coursii | Bremek. | 1945 | Madagascar | Missing | Access | |
| Chassalia curviflora ellipsoides | Hook.f., 1880 | - | Assam & Jarain area, Jaintia Hills, Meghalaya, India | Rediscovered | Access | |
| Chassalia grandifolia | DC. | ? | Mauritius, Mascarene Islands | Extinct | Access | |
| Chazaliella obanensis | (Wernham) Petit & Verdc. | - | Cameroon & Nigeria | Rediscovered | Access | |
| Chiococca insularis | (Ridley) C.M.Taylor & M.R.V.Barbosa | (rediscovered) | Fernando de Noronha, Pernambuco, Brazil | Rediscovered | Access | |
|
Cinchona asperifolia |
Wedd. (1848) | - | 1907 | Bolivia & Peru | Extinct | Access |
| Coffea alleizettii | Dubard | 1962 | Madagascar | Missing | Access | |
| Coffea decaryana | J.-F.Leroy | 1940 | Madagascar | Missing | Access | |
|
Coffea heterocalyx |
Stoff. | 4 November 2002 | Cameroon | Extinct in the wild? | Access | |
|
Coffea leonimontana |
Stoff. (1997) | - | 1971 | Cameroon | Missing | Access |
| Coprosma sp. nov. 'Rapa Nui' | - | subfossil | Rapa Nui (=Easter Island) | Extinct | Access | |
| Crucianella parviflora | Ehrend. | - | Iran & Iraq | Rediscovered | Access | |
| Cyclophyllum tiebaghiense | Mouly & Jeanson | 2004 | New Caledonia | Missing | Access | |
| Cyclophyllum sp. nov. 'Rapa Nui' | - | subfossil | Rapa Nui (=Easter Island) | Extinct | Access | |
| Danais corymbosa | Balf.f. | ? | Rodrigues, Mascarene Islands | Missing | Access | |
| Danais sulcata | Pers. | ? | Mauritius, Mascarene Islands | Missing | Access | |
| Deppea splendens | Breedlove & Lorence | Golden fuschia | 1972 | Chiapis, Mexico | Extinct in the wild | Access |
|
Faramea chiapensis |
Borhidi (2006) | - | 3 March 1953 | the Selva Negra. Chiapas, Mexico | Extinct | Access |
| Faramea nitida | Benth. | - | Brazil | Rediscovered | Access | |
| Faramea liebmannii | Standl. | 1842 | Oaxaca, Mexico | Missing | Access | |
| Fernelia pedunculata | C.F.Gaertn. | ? | Reunion, Mascarene Islands | Extinct | Access | |
| Flagenium latifolium | Wernham | ? | Madagascar | Extinct | Access | |
| Flagenium setosum | (A.Rich.) Wernham | ? | Madagascar | Extinct | Access | |
|
Gaertnera boivini
|
Drake, 1898 [1899] | ? | Mauritius, Mascarene Islands | Missing | Access | |
| Gaertnera calycina | Bojer | ? | Mauritius | Missing | Access | |
| Gaertnera crassiflora | Bojer | ? | Mauritius, Mascarene Islands | Missing | Access | |
| Gaertnera × gardneri | Thwaites (1860) | - | ? | Sri Lanka | Missing or Extinct | Access |
|
Gaertnera liberiensis |
E.M.A.Petit (1959) | - | 1937 | Liberia | Extinct | Access |
| Gaertnera longifolia pubescens | Verdc. | ? | Mauritius, Mascarene Islands | Missing | Access | |
| Gaertnera oxycarpa | Drake, 1898 [1899] | ? | Mauritius(?), Mascarene Islands | Missing | Access | |
|
Gaertnera psychotrioides |
(DC.) Baker | ? | Mauritius, Mascarene Islands | Extinct | Access | |
| Gaertnera quadriseta | A.DC. | ? | Mauritius, Mascarene Islands | Missing | Access | |
|
Galium deistelii |
K.Krause (1909) | - | 1905 | Cameroon | Missing | Access |
| Gardenia candida | A.C. Smith, 1979 | 1947 | Seanggangga Plateau (in the vicinity of Natua), Vanua Levu, Fiji | Missing | Access | |
| Gonzalagunia microsepala | Urb. & Ekman | 1927 | Haiti, Hispaniola | Missing | Access | |
| Guettarda erosa | Urb. & Ekman | 1925 | Haiti, Hispaniola | Missing | Access | |
| Guettarda lamprophylla | Urb. | 1928 | Haiti, Hispaniola | Missing | Access | |
| Guettarda psiloclada | Urb. | 1924 | Haiti, Hispaniola | Missing | Access | |
| Guettarda punctata | Urb. & Ekman | 1927 | Haiti, Hispaniola | Missing | Access | |
| Guettarda retusa | C.Wright (1869) | 1869 or before? | Cuba | Extinct | Access | |
| Guettarda torbeciana | Urb. & Ekman | 1925 | Haiti, Hispaniola | Missing | Access | |
| Guettarda turpinii | Urb. | 1928 | Haiti, Hispaniola | Missing | Access | |
| Gyrostipula obtusa | Eman. & Razafim. | 1967 | Madagascar | Missing | Access | |
| Hedyotis beddomei | Hook.f. | - | Western Ghats, India | Rediscovered | Access | |
| Hedyotis cinereoviridis | Thwaites (1864) | - | (rediscovered) | Sri Lanka | Rediscovered | Access |
| Hedyotis cyanescens | Thwaites (1859) | - | (rediscovered) | Sri Lanka | Rediscovered | Access |
| Hedyotis evenia | Thwaites (1859) | - | (rediscovered) | Sri Lanka | Rediscovered | Access |
| Hedyotis hirsutissima | Bedd. | ? | India | Extinct | Access | |
| Hedyotis macraei | Hook.f. (1880) | - | (rediscovered) | Sri Lanka | Rediscovered | Access |
| Hedyotis quinquinervia | Thwaites (1859) | - | (rediscovered) | Sri Lanka | Rediscovered | Access |
| Hedyotis srilankensis | Deb & Ratna Dutta (1983) | - | (rediscovered) | Sri Lanka | Rediscovered | Access |
| Hindsia arianeae | Di Maio, 1997 | ? | Brazil | Extinct | Access | |
| Hindsia cucullata | Di Maio, 1997 | ? | Brazil | Extinct | Access | |
| Hindsia phyllocalyx | K.Schum. | ? | Brazil | Extinct | Access | |
|
Hindsia republicana |
Di Maio (1997) | - | 1930's | Santa Maria Magdalena, Rio de Janeiro, Brazil | Missing | Access |
| Hindsia violacea | Benth. ex Lindl. | ? | Brazil | Extinct | Access | |
| Hoffmannia racemifera | Standl. & Steyerm. | (rediscovered) | Guatemela & Mexico | Rediscovered | Access | |
| Hymenodictyon seyrigii | Cavaco, 1965 | 1942 | Toliara Province, Madagascar | Missing | Access | |
| Ixora kalehensis | De Block (2018) | 1960 | DR Congo | Missing | Access | |
| Ixora labuanensis | Bremek. | 1877 | Malaysia | Missing | Access | |
|
Ixora longibracteata
|
Bremek. | - | Bangladesh & West Bengal, India | Rediscovered | Access | |
| Ixora rangonensis | Bremek. | - | Assam, India & Myanmar (=Burma) | Rediscovered | Access | |
| Ixora scheffleri keniensis | Bridson | - | Mount Kenya, Kenya | Rediscovered | Access | |
| Ixora trimera | Guédès | 1952 | Madagascar | Missing | Access | |
| Ixora vaughanii | (Verdc.) Mouly & B.Bremer | ? | Mauritius, Mascarene Islands | Extinct | Access | |
|
Kadua cordata remyi |
(Hillebr.) W.L. Wagner & Lorence | 2020-2021 | Lanai, Hawaiian Islands, USA | Extinct in the wild | Access | |
| Kadua coriacea | Sm. | ? | Hawaiian Islands, USA | Rediscovered? | Access | |
| Kadua degeneri coprosmifolia | Fosberg | 1980 | Oahu, Hawaiian Islands, USA | Missing | Access | |
| Kadua foliosa | Hillebr. | pre-1872 | Maui, Hawaiian Islands, USA | Extinct | Access | |
|
Kadua grantii |
(Fosberg) W.L.Wagner & Lorence (2005) | - | 1930 | Bora Bora, Society Islands, French Polynesia | Missing | Access |
| Kadua haupuensis | Lorence & W.L.Wagner | 1998 | Kauai, Hawaiian Islands, USA | Extinct in the wild | Access | |
|
Keetia abouabou |
Cheek | 1 August 1970 | Forêt de l’Abouabou, Ivory Coast | Missing | Access | |
|
Kutchubaea palustris |
Ducke (1938) | - | 1935 | Amazonas, Brazil | Missing | Access |
| Lasianthus protractus | (Thwaites) Thwaites (1864) | - | (rediscovered) | Sri Lanka | Rediscovered | Access |
| Lasianthus rhizophyllus | (Thwaites) Thwaites (1864) | - | (rediscovered) | Sri Lanka | Rediscovered | Access |
| Lasianthus subglobosus | H.Zhu | 1934 | Sabah, Malaysia | Missing | Access | |
| Lasianthus thwaitesii thwaitesii | Hook.f. (1880) | - | (rediscovered) | Sri Lanka | Rediscovered | Access |
| Leptodermis riparia | R.Parker | - | Uttarakhand (eastern), Western Himalaya, India | Rediscovered | Access | |
| Leptomischus modesta | (Hook.f.) Deb | ? | Assam, India | Missing | Access | |
|
Manettia angamarcensis |
Benoist (1937 "1936") | - | 1930-1932 | Ecuador | Missing | Access |
|
Manettia canescens
|
K.Schum. | 1800's | Ecuador | Missing | Access | |
| Manettia holwayi | Standl. | 1920 | Huigra, Ecuador | Missing | Access | |
| Manettia miniata | Lem. | ? | ? | Invalid (synonym) | Access | |
| Manettia stipulosa | Wernham | ? | ? | Invalid (synonym) | Access | |
| Mussaenda keenanii | Hook.f, 1880 | - | Assam, India | Rediscovered | Access | |
|
Mussaenda leptantha |
Wernham (1919) | - | 1919 | Cameroon | Missing | Access |
|
Neonauclea kranjiensis |
K.M.Wong & W.W.Seah (2018) | - | 1894 | Kranji, Singapore | Extinct | Access |
|
Oldenlandia adscensionis
|
(DC.) Cronk | 1889 | St Helena | Extinct | Access | |
| Oldenlandia polyclada | (F.Muell.) F.Muell. | (rediscovered) | Queensland, Australia | Rediscovered | Access | |
| Oldenlandia rosulata littoralis | Verdc. | 1957 | Kenya | Missing | Access | |
| Oldenlandia sieberi sieberi | Baker | ? | Mauritius, Mascarene Islands | Missing | Access | |
| Opercularia acolytantha | Diels, 1905 | Esperance dog weed | 1901 | near Esperance, Western Australia, Australia | Missing | Access |
| Opercularia hirsuta | F.Muell. ex Benth. | (rediscovered) | near Esperance, Western Australia, Australia | Rediscovered | Access | |
| Opercularia rubioides | Juss. | ? | eastern Australia | Invalid (synonym) | Access | |
|
Ophiorrhiza barnesii
|
C.E.C. Fisch. | - | India | Rediscovered | Access | |
| Ophiorrhiza brunonis brunonis | Wight & Arn. (1834) | - | India | Rediscovered | Access | |
|
Ophiorrhiza brunonis johnsonii |
Hook.f | (rediscovered) | Western Ghats (southern), India | Rediscovered | Access | |
| Ophiorrhiza caudata | C.E.C.Fisch. | (rediscovered) | India | Rediscovered | Access | |
| Ophiorrhiza codyensis | Gamble | (rediscovered) | Western Ghats, India | Rediscovered | Access | |
| Ophiorrhiza pallida | Thwaites (1859) | - | ? | Sri Lanka | Missing or Extinct | Access |
| Ophiorrhiza pykarensis | Gamble, 1919 (1921?) | (rediscovered) | Western Ghats, India | Rediscovered | Access | |
| Ophiorrhiza radicans | Gardn. | (rediscovered) | India | Rediscovered | Access | |
| Palicourea tinifolia | (Humb. & Bonpl. ex Schult.) DC. | ? | ? | Invalid (synonym) | Access | |
|
Paracephaelis sambavensis |
De Block (2022) | 1-10 April 1967 | Sambava, Sambava District, Sava Region (Antsiranana Province), Madagascar | Missing | Access | |
|
Pauridiantha camposii |
(G.Taylor) N.Hallé (1965) | - | 1907 | São Tomé | Extinct or Invalid (synonym) | Access |
| Pausinystalia brachythyrsum | (K.Schum.) W.Brandt | 1746 or 1898 | Bipinde, Cameroon (western) | Missing | Access | |
| Pavetta bangweensis | Bremek. | ? | Cameroon | Extinct | Access | |
|
Pavetta brachysiphon |
Bremek. (1934) | - | March 1914 | Cameroon | Missing | Access |
| Pavetta gardneri | Bremek. | (rediscovered) | Western Ghats (southern), India & Sri Lanka | Rediscovered | Access | |
| Pavetta glomerata | Bremek. (1934) | - | (rediscovered) | Sri Lanka | Rediscovered | Access |
| Pavetta haareri | Bremek. | 1931 | Tanzania | Missing | Access | |
|
Pavetta laxa |
S.D.Manning (1996) | - | March 1962 | Cameroon | Missing | Access |
| Pavetta oblanceolata | Bremek. | ? | Palghat & Attraimalai hills, Kerala, India | Missing | Access | |
| Pavetta wightii | Hook.f. | (rediscovered) | India | Rediscovered | Access | |
| Pentagonia orthoneura | Standl. | 1860's | Ecuador | Missing | Access | |
| Peponidium ihosyense | Arènes | 22 February 1955 | Madagascar | Missing | Access | |
| Phyllacanthus grisebachianus | Hook.f. | ? | Cuba | Invalid (synonym) | Access | |
| Praravinia gracilis | Bremek. | 1932 | Malaysia | Missing | Access | |
| Praravinia neriifolia | Bremek | 1928 | Sabah, Malaysia | Missing | Access | |
|
Psychotria aborensis |
Dunn (1920) | - | c.1917 | India | Missing | Access |
|
Psychotria adamsonii
|
Fosb., 1929 | 1929 | Pepehitoua valley, Ua Pou, Marquesas Islands, French Polynesia | Extinct | Access | |
| Psychotria balfouriana | Verdc. | Bois lubine | - | Mauritius, Mascarene Islands | Rediscovered | Access |
| Psychotria banaona | Urb. | ? | Cuba | Missing | Access | |
|
Psychotria butibumensis |
Sohmer | 1961 | Papua New Guinea | Extinct in the wild? | Access | |
| Psychotria cadigensis | Merr. | ? | Philippines | Extinct | Access | |
| Psychotria capizensis | Merr. | ? | Philippines | Extinct | Access | |
| Psychotria cardiophylla | Merr. | ? | Philippines | Extinct | Access | |
| Psychotria casiguraensis | Sohmer & A.P.Davis | ? | Philippines | Extinct | Access | |
|
Psychotria catanduaniensis |
Sohmer & A.P.Davis | (rediscovered) | Luzon & Panay, Philippines | Rediscovered | Access | |
| Psychotria chiapensis | Standl. | ? | Mexico | Invalid (synonym) | Access | |
| Psychotria christarusselliae |
Sohmer & A.P.Davis
|
? | Philippines | Extinct | Access | |
| Psychotria congesta | Spreng. ex DC. | ? | Jamaica | Missing | Access | |
| Psychotria conglomeratiflora | Sohmer & A.P.Davis | ? | Philippines | Extinct | Access | |
|
Psychotria crassifolia culionensis |
Sohmer & A.P.Davis (2007) | - | 1922 | Culion, Philippines | Extinct | Access |
|
Psychotria cuneifolia |
DC. (1830) | - | pre-1830 | Ecuador | Missing | Access |
| Psychotria cyrilli-nelsonii | A.R.Molina | ? | Americas | Invalid (synonym) | Access | |
|
Psychotria diffusa cervina |
Elmer (1909) | - | 1908 | Negros, Philippines | Extinct | Access |
| Psychotria elliptilimba | Merr. | ? | Philippines | Extinct | Access | |
|
Psychotria exellii |
R.Alves, Figueiredo & A.P.Davis (2005) | (rediscovered) | São Tomé | Rediscovered | Access | |
|
Psychotria gaboonensis |
Ruhsam (2008) | - | ? | Libreville area, Estuaire Province, Gabon | Missing | Access |
| Psychotria ilocana | (Merr.) Merr. | ? | Philippines | Extinct | Access | |
| Psychotria magnifolia | Merr. | ? | Philippines | Extinct | Access | |
| Psychotria marmeladensis | Urb. | 1927 | Haiti, Hispaniola | Missing | Access | |
| Psychotria meeboldii | Deb & M.G.Gangop. (1984) | - | ? | Sri Lanka | Missing or Extinct | Access |
|
Psychotria microthyrsa |
E.M.A.Petit (1966) | - | 1899 | Cameroon | Missing | Access |
| Psychotria moonii | Hook.f. | ? | Sri Lanka | Missing | Access | |
| Psychotria obscurinervia | Merr. | ? | Philippines | Extinct | Access | |
| Psychotria olsenii | Sohmer & A.P.Davis | ? | Philippines | Extinct | Access | |
|
Psychotria palimlimensis |
Sohmer & A.P. Davis | (rediscovered) | Ilocos Norte, Philippines | Rediscovered | Access | |
| Psychotria paracalensis | Sohmer & A.P.Davis | ? | Philippines | Extinct | Access | |
| Psychotria phanerophlebia | Merr. | ? | Philippines | Extinct | Access | |
| Psychotria quisumbingiana | Sohmer & A.P.Davis | ? | Philippines | Extinct | Access | |
| Psychotria ramosii | Merr. | ? | Philippines | Extinct | Access | |
| Psychotria scaberula | Merr. | ? | Philippines | Extinct | Access | |
| Psychotria subcucullata | Merr. | ? | Philippines | Extinct | Access | |
| Psychotria torrenticola | O.Lachenaud & Séné | 2002 | Cameroon | Missing | Access | |
| Psychotria tylophora | Kurz | ? | Nicobar Islands, India | Extinct | Access | |
| Psychotria urdanetensis | Elmer | ? | Philippines | Extinct | Access | |
| Psychotria veillonii | Barrabé, 2014 | ? | New Caledonia | Missing | Access | |
| Psychotria wenzelii | (Merr.) Merr. | ? | Philippines | Extinct | Access | |
| Psychotria sp. nov. 'Rapa Nui' | - | Holocene | Rapa Nui (=Easter Island) | Extinct | Access | |
| Psydrax ficiformis | (Hook, f.) Bridson | (rediscovered) | Tamil Nadu, India | Rediscovered | Access | |
| Psydrax grandifolius | (Thwaites) Ridsdale (1996) | - | ? | Sri Lanka | Missing or Extinct | Access |
| Psydrax sp. nov. 'Rapa Nui' | - | Holocene | Rapa Nui (=Easter Island) | Extinct | Access | |
|
Pyrostria bispathacea |
(Mildbr.) Bridson (1987) | - | 1911-1914 | Cameroon | Missing | Access |
| Pyrostria ferruginea | Verdc. | ? | Mauritius, Mascarene Islands | Missing | Access | |
|
Ramosmania heterophylla
|
(Balf.f.) Tirveng. & Verdc. | Café marron | Mauritius & Rodrigues, Mascarene Islands | Rediscovered | Access | |
| Ramosmania rodriguesii | Tirvengadum, 1989 | Café marron | Rodrigues, Mascarene Islands | Invalid (synonym) | Access | |
| Rondeletia brandegeeana | Lorence | ? | Guatemala | Invalid (synonym) | Access | |
| Rondeletia ternifolia | Urb. | ? | Cuba | Invalid (synonym) | Access | |
| Randia genipifolia | (Standl. & Steyerm.) Lorence | ? | Belize, Guatemala & Mexico | Rediscovered? | Access | |
| Rubia rezniczenkoana | Litv. | (rediscovered) | China, Kazakhstan & Mongolia | Rediscovered | Access | |
| Rudgea intercedens | Müll.Arg. | ? | ? | Invalid (synonym) | Access | |
| Rudgea magnoliifolia | (Cham.) Müll.Arg. | ? | ? | Invalid (synonym) | Access | |
| Rudgea microcephala | Müll.Arg. | ? | ? | Invalid (synonym) | Access | |
| Rustia simpsonii | Delprete | ? | Brazil | Extinct | Access | |
|
Rutidea tenuicaulis |
K.Krause (1917) | - | 1911 | Cameroon | Missing | Access |
|
Rytigynia subbiflora |
(Mildbr.) Robyns (1928) | - | 1914 | Cameroon | Missing | Access |
|
Sabicea amomii |
Wernham (1919) | - | 1906-1928 | Cameroon | Missing | Access |
|
Sabicea brachiata |
Wernham (1914) | - | 1909 | Cameroon | Missing | Access |
| Sabicea bracteolata | Wernham | 1956 | Guinea | Missing | Access | |
|
Sabicea composita |
Wernham (1914) | - | 1908 | Cameroon | Missing | Access |
|
Sabicea gracilis gracilis |
Wernham (1914) | - | 1895-1904 | Cameroon | Missing | Access |
|
Sabicea stipularioides |
Wernham (1914) | - | 1895-1904 | Cameroon | Misisng | Access |
|
Sabicea trigemina |
K.Schum. (1899) | - | 1898 | Cameroon | Missing | Access |
| Schizenterospermum analamerense | Arènes | 1938 | Madagascar | Missing | Access | |
| Scyphostachys pedunculatus | Thwaites (1859) | - | ? | Sri Lanka | Missing or Extinct | Access |
|
Spermacoce garuensis |
(K.Krause) Govaerts (1996) | - | 1909 | Cameroon | Missing | Access |
|
Spermacoce ledermannii |
(K.Krause) Govaerts (1996) | - | 1909 | Cameroon | Missing | Access |
| Spermacoce tenuior | L. | ? | Mauritius, Mascarene Islands | Missing | Access | |
| Stenostomum tomentosum | (Sw.) DC. | 1975 | Jamaica | Missing | Access | |
| Steyermarkia guatemalensis | Standl. | (rediscovered) | Guatemala & Mexico | Rediscovered | Access | |
|
Tarenna agnata |
Cheek & Lopez Poveda | ? | Ghana & Ivory Coast | Missing | Access | |
|
Tarenna hutchinsonii |
Bremek. | (rediscovered) | Guinea, Liberia & Sierra Leone | Rediscovered | Access | |
| Tarenna scandens | (Roxb.) Good, 1926 | (rediscovered) | Bangladesh | Rediscovered | Access | |
| Tarenna velutina | (Cordem.) Verdc. | ? | Madagascar or Réunion (or both) | Invalid (synonym) | Access | |
| Timonius bogoriensis | Valeton | ? | Malesia? | Extinct in the wild? | Access | |
| Tricalysia micrantha | Hiern | (rediscovered) | DR Congo & Gabon | Rediscovered | Access | |
|
Tricalysia patentipilis |
K.Krause (1920) | - | 1909 | Cameroon | Missing | Access |
|
Tricalysia subsessilis |
K.Schum. (1899) | - | 1896 | Cameroon | Missing | Access |
|
Trichostachys lehmbachii |
K.Schum. (1897) | - | 1896-1898 | Cameroon | Missing | Access |
| Tsiangia hongkongensis | (Seem.) But, H.H.Hsue & P.T.Li | ? | ? | Invalid (synonym) | Access | |
| Vangueria velutina | Hook. | ? | southern Africa | Invalid (synonym) | Access | |
| Vangueria verticillata | (Robyns) Lantz | 1954 | Tanzania | Missing | Access | |
| Wendlandia angustifolia | Wight ex Hook.f., 1880 | - | Tamil Nadu, India | Rediscovered | Access | |
| Wendlandia psychotrioides | (F.Muell.) F.Muell. | 1887? | Queensland, Australia | Extinct | Access |