Gentianales
Taxonomy
Family: Apocynaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Anechites nerium | (Aubl.) Urb. | (rediscovered) | Puerto Rico | Rediscovered | 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 | |
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 schoenlandianum | Schltr. | 1893 | Uitenhage district, Eastern Cape, South Africa | Missing | Access | |
| Brachystelma swazicum | R.A. Dyer | - | Mbabane (northeast), Swaziland | Rediscovered | Access | |
| Brachystelma volubile | Hook.f., 1885 | - | Kadapa district, Andhra Pradesh, India | Rediscovered | 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 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 evansii | McCann | Evans ceropegia | - | India | Rediscovered | Access |
| Ceropegia hookeri | Hooker 1885 | - | Himalayas | 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 panchangiensis | Blan. et McCann | - | India | Rediscovered | Access | |
| Ceropegia rudatisii | Schltr. | ? | uMzinto, KwaZulu-Natal, South Africa | Missing | Access | |
| Ceropegia tomentosa | Schltr. | ? | Fort Bowker, between Butterworth and Umtata, Eastern Cape Province, South Africa | Missing | Access | |
| Dischidia torricellensis | (Schltr.) P.I.Forst., 2000 | - | New Guinea | Rediscovered | Access | |
| Hemipogon abietoides | E. Fourn. | - | Brazil | Rediscovered | Access | |
| Heterostemma deccanense | (Talb.) Swarup. & Mangaly | - | India | Rediscovered | Access | |
| Hoya bonii | Constantin | - | Vietnam | Rediscovered | Access | |
| Huernia witzenbergensis | Lückh. | ? | Cape Province, South Africa | Missing | Access | |
Marsdenia araujacea | F.Muell., 1868 | 1893 | Queensland (northern), Australia | Missing | 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 radiata | Correll | ? | Texas, USA | Missing | 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. | - | Cameroon, Central African Republic & Côte d'Ivoire | Rediscovered | Access | |
Ochrosia brownii | (Fosberg & Sachet) Lorence & Butaud | - | Nuku Hiva, Marquesas Islands, French Polynesia | Rediscovered | Access | |
| Ochrosia fatuhivensis | Fosberg & Sachet, 1972 | - | 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 | - | Tahiti, Society Islands, French Polynesia | Rediscovered | Access | |
| Orbea elegans | Plowes | ? | Blouberg, Limpopo Province, South Africa | Extinct in the wild | Access | |
| Pachycarpus rostratus | N.E.Br. | ? | Nkandla district, KwaZulu-Natal, South Africa | Missing | Access | |
| Prestonia schumanniana | Woodson | 1892 | Balao, Guayas Province, Ecuador | Missing | Access | |
| Quaqua arenicola arenicola | (N.E.Br.) Plowes | ? | Cape Province, South Africa | Missing | Access | |
| Rauvolfia nukuhivensis | (Fosberg & Sachet) Lorence & Butaud | - | Nuku Hiva, French Polynesia | Rediscovered | Access | |
| Riocreuxia flanaganii alexandrina | H.E.Huber | - | Umzinto district, KwaZulu-Natal, South Africa | Rediscovered | Access | |
| Riocreuxia woodii | N.E.Br., 1909 | 1884 | Inanda, KwaZulu-Natal, South Africa | Missing | Access | |
| Stenostelma umbelluliferum | (Schltr.) S.P.Bester & Nicholas | - | South Africa | Rediscovered | Access | |
| Whitesloanea crassa | (N.E.Br.) Chiov | - | Somalia | Rediscovered | Access | |
| Wrightia flavorosea | Trimen | ? | 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 winterbergense | N.E.Br., 1909 | ? | Winterberg Mountains, Eastern Cape Province, South Africa | Missing | Access |
Family: Gentianaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Canscora stricta | Sedgw., 1921 | - | Mookambika Wildlife Sanctuary, Karnataka, India | Rediscovered | Access | |
Gentiana baeuerlenii | L.Adams, 1988 | Baeuerlen's gentian | - | Australian Capital Territory & New South Wales | Rediscovered | Access |
| Gentiana infelix | C.B.Clarke | - | Himalayas | Rediscovered | Access | |
| Gentiana saginoides | Burkill, 1906 | - | Sunderdhunga Valley, Uttarakhand, India | Rediscovered | Access | |
| Gentiana tetrasepala | Biswas | - | 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 |
Family: Loganiaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Logania depressa | Hook.f. | ? | New Zealand | Missing | Access | |
| Strychnos ridleyi | King & Gamble | 1894 | Singapore | Missing | Access |
Family: Rubiaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Argocoffeopsis lemblinii | (A.Chev.) Robbr. | 1907 | Côte d'Ivoire (=Ivory Coast) | Extinct | Access | |
| Bertiera bistipulata | Bojer ex Wernham | ? | Mauritius, Mascarene Islands | Missing | Access | |
Chassalia boryana | DC., 1830 | Mauritian coral tree | - | Mauritius, Mascarene Islands | Rediscovered | Access |
| Chassalia curviflora ellipsoides | Hook.f., 1880 | - | Assam & Jarain area, Jaintia Hills, Meghalaya, India | Rediscovered | Access | |
| Chazaliella obanensis | (Wernham) Petit & Verdc. | - | Cameroon & Nigeria | Rediscovered | Access | |
| Coprosma sp. nov. 'Rapa Nui' | - | subfossil | Rapa Nui (=Easter Island) | Extinct | Access | |
| Crucianella parviflora | Ehrend. | - | Iran & Iraq | Rediscovered | 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 nitida | Benth. | - | Brazil | Rediscovered | 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 longifolia pubescens | Verdc. | ? | Mauritius, Mascarene Islands | Missing | Access | |
| Gaertnera oxycarpa | Drake, 1898 [1899] | ? | Mauritius(?), Mascarene Islands | Missing | Access | |
| Gaertnera quadriseta | A.DC. | ? | Mauritius, Mascarene Islands | Missing | Access | |
| Gardenia candida | A.C. Smith, 1979 | 1947 | Seanggangga Plateau (in the vicinity of Natua), Vanua Levu, Fiji | Missing | Access | |
| Hedyotis beddomei | Hook.f. | - | Western Ghats, India | Rediscovered | Access | |
| Hymenodictyon seyrigii | Cavaco, 1965 | 1942 | Toliara Province, Madagascar | 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 | |
| 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 haupuensis | Lorence & W.L.Wagner | 1998 | Kauai, Hawaiian Islands, USA | Extinct in the wild | Access | |
| Leptodermis riparia | R.Parker | - | Uttarakhand (eastern), Western Himalaya, India | Rediscovered | Access | |
| Leptomischus modesta | (Hook.f.) Deb | ? | Assam, India | Missing | Access | |
Manettia canescens | K.Schum. | 1800's | Ecuador | Missing | Access | |
| Manettia holwayi | Standl. | 1920 | Huigra, Ecuador | Missing | Access | |
| Mussaenda keenanii | Hook.f, 1880 | - | Assam, India | Rediscovered | Access | |
Oldenlandia adscensionis | (DC.) Cronk | 1889 | St Helena | Extinct | 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 |
Ophiorrhiza barnesii | C.E.C. Fisch. | - | India | Rediscovered | Access | |
| Ophiorrhiza brunonis | Wight & Arn., 1834 | - | India | Rediscovered | Access | |
| Ophiorrhiza caudata | C.E.C.Fisch. | - | India | Rediscovered | Access | |
| Ophiorrhiza codyensis | Gamble | - | Western Ghats, India | Rediscovered | Access | |
| Ophiorrhiza pykarensis | Gamble, 1919 (1921?) | - | Western Ghats, India | Rediscovered | Access | |
| Ophiorrhiza radicans | Gardn. | - | India | Rediscovered | Access | |
| Pausinystalia brachythyrsum | (K.Schum.) W.Brandt | 1746 or 1898 | Bipinde, Cameroon (western) | Missing | Access | |
| Pavetta gardneri | Bremek. | - | Western Ghats (southern), India & Sri Lanka | Rediscovered | Access | |
| Pavetta oblanceolata | Bremek. | ? | Palghat & Attraimalai hills, Kerala, India | Missing | Access | |
| Pentagonia orthoneura | Standl. | 1860's | Ecuador | Missing | Access | |
Psychotria adamsonii | Fosb., 1929 | 1929 or before | Pepehitoua valley, Ua Pou, Marquesas Islands, French Polynesia | Missing? | Access | |
| Psychotria balfouriana | Verdc. | Bois lubine | - | Mauritius, Mascarene Islands | Rediscovered | Access |
| Psychotria banaoana | Urb. | ? | Cuba | Missing | Access | |
| Psychotria congesta | Spreng. ex DC. | ? | Jamaica | Missing | Access | |
| Psychotria moonii | Hook.f. | ? | Sri Lanka | Missing | Access | |
| Psychotria veillonii | Barrabé, 2014 | ? | New Caledonia | 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 | |
| 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 scandens | (Roxb.) Good, 1926 | (rediscovered) | Bangladesh | Rediscovered | Access | |
| Timonius bogoriensis | Valeton | ? | Malesia? | Extinct in the wild? | Access | |
| Tricalysia micrantha | Hiern | (rediscovered) | DR Congo & Gabon | Rediscovered | Access | |
| Vangueria velutina | Hook. | ? | southern Africa | Invalid (synonym) | Access | |
| Wendlandia angustifolia | Wight ex Hook.f., 1880 | - | Tamil Nadu, India | Rediscovered | Access | |
| Wendlandia psychotrioides | (F.Muell.) F.Muell. | 1887? | Queensland, Australia | Extinct | Access |