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| Family name | Species name | Endemic | FZ Division | Red data |
| Malpighiaceae | Acridocarpus katangensis | Near-endemic | ||
| Pteridaceae | Actiniopteris kornasii | Endemic | XI | |
| Loranthaceae | Agelanthus myrsinifolius | Near-endemic | ||
| Erythroxylaceae | Aneulophus congoensis | Endemic | ||
| Fabaceae subfamily Papilionoideae | Angylocalyx boutiqueanus | Near-endemic | V,VI,IX | LR-lc |
| Annonaceae | Annickia ambigua | Near-endemic | II,VI | LR-lc |
| Annonaceae | Annickia lebrunii | Near-endemic | VI,IX | VU |
| Aponogetonaceae | Aponogeton bogneri | Endemic | XI | |
| Araliaceae | Astropanax evrardii | Endemic | VI | |
| Araliaceae | Astropanax kivuensis | Endemic | VI,IX | |
| Acanthaceae | Barleria lobelioides | Endemic | XI | |
| Begoniaceae | Begonia bequaertii | Endemic | ||
| Begoniaceae | Begonia gentilii | Endemic | ||
| Begoniaceae | Begonia iucunda | Near-endemic | ||
| Begoniaceae | Begonia pulcherrima | Near-endemic | ||
| Begoniaceae | Begonia rubronervata | Endemic | ||
| Lauraceae | Beilschmiedia michelsonii | Near-endemic | IX | |
| Melianthaceae | Bersama yangambiensis | Endemic | VI | VU |
| Convolvulaceae | Bonamia longitubulosa | Near-endemic | VI,VII | VU |
| Lecythidaceae | Brazzeia longipedicellata | Near-endemic | ||
| Fabaceae subfamily Caesalpinioideae | Caesalpinia glandulosopedicellata | Endemic | ||
| Convolvulaceae | Calycobolus petitianus | Endemic | V,XI | EN |
| Convolvulaceae | Calycobolus robynsianus | Near-endemic | V | EN |
| Gentianaceae | Chironia katangensis subsp. katangensis | Endemic | XI | |
| Gentianaceae | Chironia katangensis subsp. verdickii | Endemic | XI | |
| Cleomaceae | Cleome monophylloides | Endemic | ||
| Asteraceae | Crassocephalum ducis-aprutii | Near-endemic | ||
| Araliaceae | Cussonia brieyi | Near-endemic | II | |
| Araliaceae | Cussonia sessilis | Endemic | V | VU |
| Campanulaceae | Cyphia gamopetala | Endemic | ||
| Achariaceae | Dasylepis eggelingii | Near-endemic | IX | VU |
| Fabaceae subfamily Caesalpinioideae | Dialium reygaertii | Near-endemic | VI | |
| Ebenaceae | Diospyros mweroensis | Near-endemic | ||
| Convolvulaceae | Distimake verdcourtianus | Endemic | XI | EN |
| Zamiaceae | Encephalartos ituriensis | Near-endemic | VI,VIII | |
| Zamiaceae | Encephalartos marunguensis | Endemic | XI | |
| Zamiaceae | Encephalartos schaijesii | Near-endemic | XI | |
| Fabaceae subfamily Caesalpinioideae | Englerodendron mengei | Endemic | VI | EN |
| Gentianaceae | Exochaenium hockii | Endemic | XI | |
| Gentianaceae | Exochaenium wildemanianum | Near-endemic | III,IV | |
| Gentianaceae | Faroa chalcophila | Endemic | XI | |
| Gentianaceae | Faroa fanshawei | Near-endemic | XI | |
| Gentianaceae | Faroa schaijesiorum | Endemic | XI | |
| Loranthaceae | Globimetula kivuensis | Near-endemic | IX | |
| Apocynaceae subfamilies Apocynoideae and Rauvolfioideae | Hunteria densiflora | Endemic | VI | EN |
| Apocynaceae subfamilies Apocynoideae and Rauvolfioideae | Hunteria myriantha | Endemic | IV | EN |
| Hydrostachyaceae | Hydrostachys bismarckii | Endemic | IV | |
| Hydrostachyaceae | Hydrostachys lukungensis | Endemic | III | |
| Hydrostachyaceae | Hydrostachys myriophylla | Endemic | XI | |
| Cyperaceae | Hypolytrum goetghebeurii | Endemic | IX,XI | |
| Balsaminaceae | Impatiens bequaertii | Near-endemic | ||
| Balsaminaceae | Impatiens erecticornis | Near-endemic | ||
| Balsaminaceae | Impatiens gesneroidea | Near-endemic | ||
| Convolvulaceae | Ipomoea bampsiana | Endemic | XI | EN |
| Convolvulaceae | Ipomoea linosepala subsp. auroargentea | Endemic | XI | EN |
| Convolvulaceae | Ipomoea linosepala subsp. kundelungensis | Endemic | XI | EN |
| Convolvulaceae | Ipomoea linosepala subsp. upembensis | Endemic | XI | CR |
| Convolvulaceae | Ipomoea petitiana | Endemic | XI | VU |
| Annonaceae | isolona lebrunii | Near-endemic | IX | VU |
| Rubiaceae | Ixora burundiensis | Near-endemic | VIII,IX | VU |
| Rubiaceae | Ixora kalehensis | Endemic | VI | CR |
| Rubiaceae | Ixora laurentii | Near-endemic | VI | LR-lc |
| Rubiaceae | Ixora longipedunculata | Endemic | V,VI | |
| Rubiaceae | Ixora nana | Endemic | VI | |
| Rubiaceae | Ixora seretii | Near-endemic | VI,VII,VIII | LR-nt |
| Gentianaceae | Karina tayloriana | Endemic | XI | |
| Lauraceae | Kuloa michelsonii | Near-endemic | ||
| Apocynaceae subfamilies Apocynoideae and Rauvolfioideae | Landolphia cuneifolia | Near-endemic | XI | |
| Apocynaceae subfamilies Apocynoideae and Rauvolfioideae | Landolphia lanceolata | Near-endemic | III,IV,V | |
| Anacardiaceae | Lannea asymmetrica | Near-endemic | V,XI | VU |
| Malvaceae: Byttnerioideae, Helicteroideae & Sterculioideae | Leptonychia tokana | Near-endemic | VI,VII | LR-lc |
| Orchidaceae | Liparis harketii | Near-endemic | ||
| Orchidaceae | Liparis killmanniae | Near-endemic | ||
| Campanulaceae | Lobelia bequaertii | Near-endemic | ||
| Campanulaceae | Lobelia kalobaensis | Endemic | ||
| Campanulaceae | Lobelia kundelungensis | Endemic | ||
| Campanulaceae | Lobelia lisowskii | Endemic | ||
| Campanulaceae | Lobelia paludigena | Endemic | ||
| Campanulaceae | Lobelia petiolata | Near-endemic | IX | |
| Campanulaceae | Lobelia rivalis | Endemic | ||
| Campanulaceae | Lobelia stuhlmannii | Near-endemic | ||
| Campanulaceae | Lobelia wollastonii | Near-endemic | ||
| Chrysobalanaceae | Magnistipula butayei subsp. bangweolensis | Near-endemic | ||
| Orchidaceae | Microcoelia nyungwensis | Near-endemic | ||
| Fabaceae subfamily Papilionoideae | Millettia psilopetala | Near-endemic | ||
| Acanthaceae | Mimulopsis runssorica | Near-endemic | ||
| Annonaceae | Monanthotaxis orophila | Near-endemic | IX | LR-nt |
| Urticaceae | Musanga leo-errerae | Near-endemic | IX | |
| Ochnaceae | Ochna hackarsii | Near-endemic | IX | |
| Picrodendraceae | Oldfieldia macrocarpa | Endemic | IV,VI | |
| Hydrocharitaceae | Ottelia lisowskii | Near-endemic | XI | |
| Anacardiaceae | Ozoroa kassneri var. kassneri | Near-endemic | V,XI | VU |
| Anacardiaceae | Ozoroa nigricans var. nigricans | Near-endemic | XI | LR-nt |
| Anacardiaceae | Ozoroa nigricans var. elongata | Endemic | XI | EX? |
| Anacardiaceae | Ozoroa uelensis | Endemic | VII | EN |
| Pandanaceae | Pandanus sp. A | Endemic? | ||
| Thymelaeaceae | Peddiea rapaneoides | Near-endemic | IX | LR-nt |
| Piperaceae | Peperomia dubia | Endemic | VI | |
| Loranthaceae | Phragmanthera edouardii | Near-endemic | ||
| Urticaceae | Pilea bambuseti subsp. bambuseti | Near-endemic | IX | |
| Urticaceae | Pilea johnstonii subsp. kiwuensis | Near-endemic | IX | |
| Lamiaceae | Plectranthus asymmetricus | Near-endemic | XI | EN |
| Lamiaceae | Plectranthus villosicaulis | Endemic | IV,IX | DD |
| Plumbaginaceae | Plumbago ituriensis | Endemic | ||
| Annonaceae | Polyceratocarpus gossweileri | Near-endemic | II,III,IV,VI | LR-lc |
| Araliaceae | Polyscias kivuensis | Endemic | VI,IX | EN |
| Orchidaceae | Polystachya cribbiana | Near-endemic | ||
| Orchidaceae | Polystachya dewanckeliana | Near-endemic | ||
| Orchidaceae | Polystachya hastata | Near-endemic | IX | |
| Orchidaceae | Polystachya kermesina | Near-endemic | IX | |
| Orchidaceae | Polystachya macropoda | Near-endemic | ||
| Orchidaceae | Polystachya pamelae | Near-endemic | IX | |
| Orchidaceae | Polystachya tridentata | Near-endemic | IX | |
| Orchidaceae | Polystachya undulata | Near-endemic | IX | |
| Orchidaceae | Polystachya virginea | Near-endemic | IX | |
| Orchidaceae | Polystachya vulcanica | Near-endemic | IX | |
| Orchidaceae | Polystachya woosnamii | Near-endemic | IX | |
| Acanthaceae | Pseudocalyx ochraceus | Endemic | ||
| Ranunculaceae | Ranunculus rugegensis | Near-endemic | IX | |
| Arecaceae | Raphia gentiliana | Near-endemic | III, IV,VI,VII | LR-lc |
| Arecaceae | Raphia rostrata | Near-endemic | II | DD |
| Arecaceae | Raphia ruwenzorica | Near-endemic | IX | DD |
| Arecaceae | Raphia sese | Near-endemic | III, VI | LR-lc |
| Lecythidaceae | Rhaptopetalum evrardii | Endemic | ||
| Orchidaceae | Rhipidoglossum burttii | Near-endemic | ||
| Orchidaceae | Rhipidoglossum ovale | Near-endemic | ||
| Orchidaceae | Rhipidoglossum pusillum | Near-endemic | ||
| Rubiaceae | Sabicea bequaertii | Near-endemic | IX | |
| Anacardiaceae | Searsia grossireticulata | Endemic | XI | EX? |
| Selaginellaceae | Selaginella auquieri | Endemic | ||
| Selaginellaceae | Selaginella kivuensis | Endemic | ||
| Rubiaceae | Sericanthe suffruticosa | Near-endemic | XI | |
| Orchidaceae | Stolzia kalkhof-roseae | Near-endemic | ||
| Orobanchaceae | Striga chrysantha | Near-endemic | VII | EN |
| Apocynaceae subfamilies Apocynoideae and Rauvolfioideae | Strophanthus bequaertii | Near-endemic | IX | |
| Thymelaeaceae | Struthiola scaettae | Endemic | IX | |
| Acanthaceae | Thunbergia pynaertii | Endemic | ||
| Orobanchaceae | Thunbergianthus muloloensis | Endemic | IX | CR |
| Orobanchaceae | Thunbergianthus ruwenzoriensis | Near-endemic | VI,IX | CR |
| Annonaceae | Uvaria laurentii | Endemic | III, VI | LR-lc |
| Annonaceae | Uvariastrum germainii | Near-endemic | VI | LR-lc |
| Asteraceae | Vernonia kirungae | Near-endemic | IX | |
| Passifloraceae | Viridivia suberosa | Near-endemic | ||
| Apocynaceae subfamilies Apocynoideae and Rauvolfioideae | Voacanga pachyceras | Endemic | II, VI | LR-nt |
| Campanulaceae | Wahlenbergia ericoidella | Endemic | ||
| Campanulaceae | Wahlenbergia persimilis | Endemic | ||
| Campanulaceae | Wahlenbergia wittei | Endemic | ||
| Acanthaceae | Whitfieldia thollonii | Near-endemic | III | |
| Convolvulaceae | Xenostegia lomamiensis | Endemic | VI | VU |
| Convolvulaceae | Xenostegia sapinii | Endemic | III,IV | VU |
| Annonaceae | Xylopia wilwerthii | Near-endemic | II,III,VI | LR-lc |
| Apocynaceae subfamilies Asclepiadoideae and Secamonoideae | Xysmalobium alatum | Near-endemic | XI | |
| Apocynaceae subfamilies Asclepiadoideae and Secamonoideae | Xysmalobium congoense | Endemic |
153 taxa found