Gentianales
Family: Apocynaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Anechites nerium | Access | |||||
| Asclepias dissona | Access | |||||
Brachystelma canum | Access | |||||
| Brachystelma discoideum | Access | |||||
Brachystelma elenaduense | Access | |||||
| Brachystelma gemmeum | Access | |||||
| Brachystelma glenense | Access | |||||
| Brachystelma gracillimum | Access | |||||
| Brachystelma lankana | Access | |||||
| Brachystelma longifolium | Access | |||||
| Brachystelma maculatum | Access | |||||
| Brachystelma natalense | Access | |||||
| Brachystelma occidentale | Access | |||||
| Brachystelma schoenlandianum | Access | |||||
| Brachystelma swazicum | Access | |||||
| Brachystelma volubile | Access | |||||
| Caralluma diffusa | Access | |||||
Ceropegia antennifera | Access | |||||
| Ceropegia bowkeri bowkeri | Access | |||||
| Ceropegia dubia | Access | |||||
Ceropegia evansii | Access | |||||
| Ceropegia hookeri | Access | |||||
| Ceropegia maculata | Access | |||||
| Ceropegia omissa | Access | |||||
| Ceropegia panchangiensis | Access | |||||
| Ceropegia rudatisii | Access | |||||
| Ceropegia tomentosa | Access | |||||
| Dischidia torricellensis | Access | |||||
| Hemipogon abietoides | Access | |||||
| Heterostemma deccanense | Access | |||||
| Hoya bonii | Access | |||||
| Huernia witzenbergensis | Access | |||||
Marsdenia araujacea | Access | |||||
| Marsdenia tubulosa | Access | |||||
Matelea ecuadorensis | Access | |||||
| Matelea radiata | Access | |||||
| Minaria monocoronata | Access | |||||
| Miraglossum laeve | Access | |||||
| Neoschumannia kamerunensis | Access | |||||
Ochrosia brownii | Access | |||||
| Ochrosia fatuhivensis | Access | |||||
| Ochrosia kilaueaensis | H.St.John | 1927 | Hawai'i, Hawaiian Islands, USA | Missing | Access | |
| Ochrosia tahitensis | Access | |||||
| Orbea elegans | Access | |||||
| Pachycarpus rostratus | Access | |||||
| Pherotrichis balbisii | Access | |||||
| Prestonia schumanniana | Access | |||||
| Quaqua arenicola arenicola | Access | |||||
| Rauvolfia nukuhivensis | Access | |||||
| Riocreuxia flanaganii alexandrina | Access | |||||
| Riocreuxia woodii | Access | |||||
| Stenostelma umbelluliferum | (Schltr.) S.P.Bester & Nicholas | - | South Africa | Rediscovered | Access | |
| Whitesloanea crassa | Access | |||||
Xysmalobium baurii | Access | |||||
| Xysmalobium winterbergense | Access |
Family: Gentianaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Canscora stricta | Access | |||||
Gentiana baeuerlenii | Access | |||||
| Gentiana infelix | Access | |||||
| Gentiana saginoides | Access | |||||
| Gentiana tetrasepala | Access |
Family: Loganiaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Logania depressa | Access | |||||
| Strychnos ridleyi | Access |
Family: Rubiaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Argocoffeopsis lemblinii | Access | |||||
| Bertiera bistipulata | Access | |||||
Chassalia boryana | Access | |||||
| Chassalia curviflora ellipsoides | Access | |||||
| Chazaliella obanensis | Access | |||||
| Coprosma sp. nov. 'Rapa Nui' | Access | |||||
| Cyclophyllum sp. nov. 'Rapa Nui' | Access | |||||
| Danais corymbosa | Access | |||||
| Danais sulcata | Access | |||||
| Deppea splendens | Access | |||||
| Faramea nitida | Access | |||||
Gaertnera boivini | Access | |||||
| Gaertnera calycina | Access | |||||
| Gaertnera crassiflora | Access | |||||
| Gaertnera longifolia pubescens | Access | |||||
| Gaertnera noddosa | Access | |||||
| Gaertnera oxycarpa | Access | |||||
| Gaertnera quadriseta | Access | |||||
| Gardenia candida | Access | |||||
| Hedyotis beddomei | Access | |||||
| Hedyotis foliosa | Access | |||||
| Hymenodictyon seyrigii | Access | |||||
Ixora longibracteata | Access | |||||
| Ixora rangonensis | Access | |||||
| Ixora scheffleri keniensis | Access | |||||
| Kadua degeneri coprosmifolia | Fosberg | 1980 | Oahu, Hawaiian Islands, USA | Missing | Access | |
| Kadua foliosa | Hillebr. | pre-1872 | Maui, Hawaiian Islands, USA | Missing | Access | |
| Kadua haupuensis | Lorence & W.L.Wagner | 1998 | Kauai, Hawaiian Islands, USA | Extinct in the wild | Access | |
| Leptodermis riparia | Access | |||||
| Leptomischus modesta | Access | |||||
Manettia canescens | Access | |||||
| Manettia holwayi | Access | |||||
| Mussaenda keenanii | Access | |||||
Oldenlandia adscensionis | Access | |||||
| Oldenlandia sieberi sieberi | Access | |||||
| Opercularia acolytantha | Access | |||||
Ophiorrhiza barnesii | Access | |||||
| Ophiorrhiza brunonis | Access | |||||
| Ophiorrhiza caudata | Access | |||||
| Ophiorrhiza pykarensis | Access | |||||
| Ophiorrhiza radicans | Access | |||||
| Pausinystalia brachythyrsum | Access | |||||
| Pavetta gardneri | Access | |||||
| Pavetta oblanceolata | Access | |||||
| Pentagonia orthoneura | Access | |||||
Psychotria adamsonii | Access | |||||
| Psychotria balfouriana | Access | |||||
| Psychotria banaoana | Access | |||||
| Psychotria congesta | Access | |||||
| Psychotria moonii | Access | |||||
| Psychotria veillonii | Access | |||||
| Pyrostria ferruginea | Access | |||||
Ramosmania heterophylla | Access | |||||
| Ramosmania rodriguesii | Access | |||||
| Spermacoce tenuior | Access | |||||
| Stenostomum tomentosum | Access | |||||
| Tarenna scandens | Access | |||||
| Wendlandia angustifolia | Access | |||||
| Wendlandia psychotrioides | Access |