Collection and observation format: Format is [Col. Collector. Collecting number(year) notes]
- JDC = Jim Chapman; HMC = Hazel Chapman; IM = Idrissa Musa; MJW = Matt Walters; PU = Prince Umeh; SG = Steven Gawisa, SO = Steven Olson.
- JDC collection numbers listed are representative, there may be additional collections, refer to the checklist in Chapman and Chapman (2001).
- Tree = permanently labelled tree on transect.
- Det. = determined by
Bryophyta
Sematophyllaceae
Wijkia
- Wijkia trichocolea (Müll. Hal.) H.A. Crum (Syn. Acanthocladium trichocolea) [Col. JDC 4604(1976) submontane forest, abundant]
Lycophyta
Lycopodiaceae
- Huperzia mildbraedii (Herter) Pic. Serm. (Syn. Lycopodium mildbraedii) [Obs. JDC, rare]
Selaginellaceae
- Selaginella cf tenerrima A. Braun ex Kuhn [Col. JDC 4517(1976)]
Pterophyta
Aspleniaceae
- Asplenium aethiopicum (Burm. f.) Bech. [Col. JDC 4534(1976), epiphytic fern at forest margin]
- Asplenium anisophyllum Kunze (Syn. A. geppii) [Col. JDC 4587(1976), epiphytic, widespread]
- Asplenium dregeanum Kunze [Col. JDC 3299(1973), JDC 4520(1976), epiphitic, abundant]
- Asplenium thunbergii Kunze (Syn. A. preussii) Photos [Col. JDC 3300(1973), JDC 4521(1976)]
- Asplenium theciferum (Kunth) Mett. Photos [Col. JDC 4537(1976) epiphytic]
Cyatheaceae
- Cyathea dregei Kunze [Col. JDC 2557(1971)]
- Cyathea manniana Hook. Photos [Col. JDC 4610(1976) rare] [Obs. MJW (2012)]
Dennstaedtiaceae
- Pteridium aquilinum (L.) Kuhn Photos [Obs. MJW (2012)]
Dryopteridaceae
- Ctenitis cirrhosa (Schumach.) Ching [Col. JDC 4590(1976)]
- Tectaria fernandensis C. Chr. [Col. JDC 3298(1973, JDC 4588(1976)]
Hymenophyllaceae
- Crepidomanes mannii (Hook.) J.P. Roux (Syn. Trichomanes mannii) [Col. JDC 4591(1976), epiphytic]
Lomariopsidaceae
- Bolbitis sp. [Obs. MJW (2012)]
- Bolbitis sp. [Col. 4586(1976)]
Marattiaceae
- Marattia fraxinea Sm. Photos [Obs. MJW (2012)] [Col. JDC 2558(1971)]
Nephrolepidaceae
- Nephrolepis undulata (Afzel. ex Sw.) J. Sm. [Col. JDC 4522(1976)]
Oleandraceae
- Arthropteris monocarpa (Cordem.) C. Chr. [Col. HMC 116(1973), JDC 4596(1976) climbing fern]
Pteridaceae
- Pteris pteridioides (Hook.) Ballard [Col. JDC 3302(1973), JDC 4554(1976)]
- Pteris togoensis Hieron. [Col. JDC 3297(1973), JDC 4589(1976)]
- Vittaria guineensis Desv. [Col. JDC 4523(1976) on tree trunks]
Tectariaceae
- Pleocnemia sp. [Obs. MJW (2012)]
Angiospermae
Acanthaceae
- Asystasia gangetica (L.) T.Anderson Photos [Obs. MJW (2012)]
- Brillantaisia owariensis Beauv. Photos [Col. JDC 3313(1973)] [Obs. MJW (2012)]
- Justicia insularis T.Anders. Photos [Obs. MJW (2012)]
Achariaceae
- Dasylepis blackii (Oliv.) Chipp [Col. HMC 709(2004)] [Tree 218]
- Dasylepis racemosa Oliv. [Col. JDC 4583(1976), HMC 680] [Tree 220]
Anacardiaceae
- Lannea barteri (Oliv.) Engl.
- Pseudospondias microcarpa (A.Rich.) Engl. Photos [Col. HMC 765(2005)] [Obs. IM (2014)] [Tree 657]
Sorindeia Thouars
- Sorindeia grandifolia Engl. [Col. HMC 522(2003), HMC 701(2004), HMC 693(2004), HMC 775(2004)] [Tree 159, 173]
Annonaceae
- Isolona congolana (De Wild. & T.Durand) Engl. & Diels [Col. HMC 496(2003), HMC 678(2004), HMC 683(2004), HMC 692(2004)]
- Isolona cf deightonii Keay [Col. JDC 4543(1976)]
- Isolona cf. hexaloba (Pierre) Engl. & Diels [Col. HMC 514(2003), HMC 714(2004)]
- Xylopia acutiflora A.Rich. Photos [Col. JDC 3329(1973), JDC 4570(1976), JDC 4618(1977)] [Obs. MJW (2012)]
Apiaceae
- Agrocharis incognita (C.Norman) Heywood & Jury Photos [Col. HMC 118(1973)] [Obs. MJW (2012)]
- Centella asiatica (L.) Urb. Photos [Obs. MJW (2012)]
Apocynaceae
- Landolphia buchananii Stapf Photos [Obs. MJW (2012)]
- Pleiocarpa pycnantha Stapf Photos [Col. JDC 3325(1973), JDC 4581(1976), HMC 539(2003), HMC 734(2004)] [Obs. MJW (2012)] [Tree 199, 442, 574]
- Rauvolfia vomitoria Wennberg Photos [Col. JDC 2825(1972), HMC 481A(2003), HMC 556(2003)] [Obs. MJW (2012)]
- Saba thompsonii (A.Chev.) Pichon [Col. JDC 4565(1976)] Fulfude name is belbel leinde
- Tabernaemontana contorta Stapf Photos [Col. JDC 3142(1973)] [Obs. MJW (2012)]
- Tabernaemontana ventricosa Hochst. ex A.DC.[Col. HMC 726(2004)] [Tree 434]
- Voacanga africana Stapf ex Scott-Elliot Photos [Col. SO 143(2002)] [Obs. MJW (2012)]
- Voacanga bracteata Stapf [Col. JDC 3332(1973)]
Aquifoliaceae
- Ilex mitis Radlk. Photos [Col. HMC 500(2003), HMC 712(2004)] [Obs. MJW (2012)]
Araliaceae
- Cussonia arborea Hochst. ex A.Rich
Polyscias J.R.Forst. & G.Forst.
- Polyscias fulva Hutch. & Dalziel Photos [Obs. JDC(1970s), MJW (2012)]
Schefflera J.R. Forst. & G. Forst.
- Schefflera abyssinica (Hochst. ex A.Rich.) Harms [Col. JDC 2712(1972)]
Arecaceae
Phoenix L.
- Phoenix reclinata Jacq. [Obs. JDC (1973)]
Aristolochiaceae
- Pararistolochia leonensis (Mast.) Hutch. & Dalziel [Col. JDC 4606(1976)]
Asparagaceae
Drimia
- Drimia indica (Roxb.) Jessop [Obs. PU 2014] (Syn. Urginea indica (Roxb.) Kunth)
Asteraceae
- aff. Ageratum conyzoides (L.) L Photo [Obs. MJW (2012)]
Acanthospermum
- Acanthospermum aff. australe (Loefl.) Kuntze [Obs. PU (2013)]
- Acanthospermum aff. hispidum DC. [Obs. PU (2013)]
- Aspilia africana (Pers.) C.D.Adams Photos [Obs. MJW (2012)]
- Bidens pilosa L. Photos [Obs. MJW (2012)]
Conyza Less.
- Conyza aff. vernonioides (Sch.Bip. ex A.Rich.) Wild [Obs. MJW (2012)]
- Crassocephalum aff. rubens (Juss. ex Jacq.) S. Moore [Obs. MJW (2012)]
- Crassocephalum sp. [Obs. PU (2013)] Plant with purple petioles.
- Crassocephalum vitellinum (Benth.) S.Moore [Obs. MJW (2012)]
- Echinops gracilis O.Hoffm. Photos [Obs. MJW (2012)]
Gerbera Linn. ex Cass.
Gerbera piloselloides (L.) Cass. [Obs. MJW (2012)]
- Helichrysum aff. nudifolium (L.) Less. [Obs. MJW (2012)]
- Helichrysum sp. 2 [Obs. MJW (2012)]
- Helichrysum sp. 3 [Obs. MJW (2012)]
- Lactuca inermis L. Photos [Obs. MJW (2012)] (Syn. L. capensis)
- Laggera crispata (Vahl) Hepper & J.R.I.Wood Photos [Obs. MJW (2012)]
- Mikania scandens (L.) Willd. Photos [Obs. MJW (2012)]
Oocephala
- Oocephala stenocephala (Oliv.) H.Rob. [Obs. PU 2014] (Syn. Vernonia oocephala Baker)
- Solanecio mannii (Hook.f.) C.Jeffrey
- Tithonia diversifolia (Hemsl.) A.Gray Photos [Obs. MJW (2012)]
- Vernonia sp. [Obs. MJW (2012)]
- Vernonia calvoana Engl. unresolved name (Syn. Vernonia leucocalyx) (Col. HMC 742 (2004)]
Balsaminaceae
- Impatiens burtonii Hook. f. [Obs. MJW (2012)]
- Impatiens sp. [Col. HMC 119(1973)] Herb to 60cm, fls white/yellow with red veins, spur red and pink streaked, in light shade along upper edge of forest.
Begoniaceae
- Begonia sp. [Col. JDC 4609(1976) epiphyte, fruiting]
Bignoniaceae
- Kigelia africana (Lam.) Benth. [Col. HMC 758(2005)] [Tree 617]
Markhamia Seem. ex Baill.
- Markhamia tomentosa (Benth.) K.Schum. ex Engl. - unlabelled collection from 2002 at Kew.
- Newbouldia laevis (P.Beauv.) Seem. [Col. JDC 4557(1976)]
Boraginaceae
- Cordia millenii Baker Photos [Col. HMC 555(2003), HMC 739(2004)] [Obs. JDC (1970s), MJW (2012)] [Tree 326, 504]
Burseraceae
- Santiria trimera (Oliv.) Aubrév. [Col. JDC 3342(1973), HMC 674(2004), HMC 773(2004)] [Tree 318] Note: JDC recommends further investigation of this species, tree differs from that described in Nigerian Trees in being much taller and having no buttress roots.
- Canarium schweinfurtii Engl.
Capperaceae
- Ritchiea albersii Gilg [Col. JDC 3338(1973), JDC 4579(1976); SO 146(2002), HMC 525(2003), HMC 528(2003) HMC 702(2004), HMC 710(2004), HMC 737(2004)] [Tree 171, 220, 487]
Celastraceae
Cassine L.
- Cassine aethiopica Thunb. (Syn. Mystroxylon aethiopicium) [Col. HMC 369(2002), HMC 501(2003), HMC 553(2003), HMC 673(2004), HMC 691(2004), HMC 771 (2005)] [Tree 34, 316]
Maytenus Molina
- Maytenus sp. (Syn. Martins Tree) [Col. HMC 673(2004)]
Cleomaceae
- Cleome iberidella Welw. ex Oliv. Photos [Obs. MJW (2012)]
Clusiaceae
- Garcinia smeathmanii (Planch. & Triana) Oliv. Photos [Col. JDC 2711(1972)] [Obs. MJW (2012)]
- Garcinia afzelii Engl. [Col. HMC 734(2004)] [Tree 442 - double check as recorded as Rubiaceae elsewhere]
- Symphonia globulifera L.f. Photos [Col. JDC 3028(1973), JDC 4602, Mambilla name is Geeb; Kaka name is Beek] [Obs. MJW (2012)]
Combretaceae
- Combretum molle R.Br. ex G.Don Photos [Obs. MJW (2012)]
Commelinaceae
Aneilema R. Br.
- Aneilema sp. [Obs. MJW (2012)]
- Commelina cameroonensis J.K.Morton Photos [Obs. MJW (2012)]
- Palisota mannii C.B.Clarke Photos [Col. JDC 2698(1972)] [Obs. MJW (2012)]
Convolvulaceae
- Ipomoea pileata Roxb. Photos (Syn. I. involucrata) [Obs. MJW (2012)]
Crassulaceae
- Kalanchoe lanceolata (Forssk.) Pers. Photos [Obs. MJW (2012)]
Cucurbitaceae
Zehneria Endl.
- Zehneria scabra (L. f.) Sond. [Obs. MJW (2012)]
Cyperaceae
- Afrotrilepis sp. [Col. JDC 4585(1976) epiphytic herb]
Dioscoreaceae
- Dioscorea hirtiflora Benth. Photos [Col. JDC 4551(1976)] [Obs. MJW (2012)]
Ebenaceae
- Diospyros kamerunensis Gürke [Tree 114, 669]
- Diospyros monbuttensis Gürke Photos [Col. HMC 740(2004)] [Obs. MJW (2012)] [Tree 513]
Euphorbiaceae
- Alchornea floribunda Müll.Arg. [HMC 677(2004)]
- Croton macrostachyus Hochst. ex Delile Photos [Col. JDC 2560] [Obs. MJW (2012)]
- Discoclaoxylon hexandrum (Müll.Arg.) Pax & K.Hoffm. Photos [Col. JDC 3343, JDC 4545(1976), SO 142(2002) HMC 558(2003), HMC 728(2004)] [Obs. MJW (2012)] [Tree 386, 600]
Erythrococca Benth.
- Erythrococca hispida (Pax) Prain [Col. HMC 695(2004)]
- Macaranga occidentalis (Müll.Arg.) Müll.Arg. Photos [Col. JDC 4544(1976), HMC 727(2004)] [Obs. MJW (2012)]
- Macaranga monandra Müll.Arg.
- Mallotus oppositifolius (Geiseler) Müll.Arg. [Col. HMC 732] (Note: Specimen HMC 732 also recorded as Mallotus subulatus Müll.Arg.)
- Neoboutonia melleri (Müll.Arg.) Prain (Syn. Neoboutonia velutina) [Col. JDC 4552(1976)]
- Ricinus communis L. Photos [Obs. MJW (2012)]
- Shirakiopsis elliptica (Hochst.) Esser (Syn. Sapium ellipticum) [Col. JDC 4578(1976) HMC 560(2003), HMC 754(2005)] [Obs. IM (2013)] [Tree 600]
Fabaceae
- Acacia pentagona (Schum. & Thonn.) Hook.f. [Col. JDC 4597(1976)]
- Adenocarpus mannii (Hook.f.) Hook.f [Col. JDC 3317(1973)]
- Albizia gummifera (J.F.Gmel.) C.A.Sm. Photos [Col. JDC 4558(1976)] [Obs. MJW (2012)]
- Anthonotha noldeae (Rossberg) Exell & Hillc. Photos [Col. JDC 2714, JDC 3287(1973), JDC 3335(1973), JDC 4539(1976)] [Obs. MJW (2012)]
- Antopetitia abyssinica A.Rich.Photos [Obs. MJW (2012)]
- Berlinia grandiflora (Vahl) Hutch. & Dalziel
- Dalbergia heudelotii Stapf [Col. JDC 3311(1973)]
- Dalbergia lactea Vatke Photos [Obs. MJW (2012)]
- Dichrostachys cinerea (L.) Wight & Arn. Photos [Obs. MJW (2012)]
- Entada abyssinica A.Rich. Photos [Obs. MJW (2012)]
- Hylodesmum repandum (Vahl) H.Ohashi & R.R.Mill Photos (Syn. Desmodium repandum) [Obs. JDC (unknown), MJW (2012)]
- Kotschya strigosa (Benth.) Dewit & P.A.Duvign. Photos [Obs. MJW (2012)]
- Millettia barteri (Benth.) Dunn
- Millettia conraui Harms [Col. JDC 2715(1972) forest edge]
- Newtonia buchananii (Baker) G.C.C.Gilbert & Boutiqu Photos [Col. HMC 120(1973), HMC 122(1973), JDC 4620(1977)] [Obs. MJW (2012)]
- Parkia filicoidea Oliv. Photos [Col. JDC 3344(1973), JDC 4595(1976), JDC 4605(1976), JDC 4611(1976)] [Obs. MJW (2012)]
Piptadeniastrum Brenan
- Piptadeniastrum africanum (Hook.f.) Brenan [Obs. JDC SR(1973)] JDC note: Large tree in stream fringing forest just below the Ngel Nyaki / Kurmin Danko escarpment, not far from Gidan Sabo. There is an extensive 'shelf' before the real escarpment.
- Tephrosia vogelii Hook.f. Photos [Obs. MJW (2012)]
Gentianaceae
- Anthocleista nobilis G.Don Photos [Obs. MJW (2012)]
- Anthocleista vogelii Planch. Photos [Obs. MJW (2012)]
Gesneriaceae
- Streptocarpus elongatus Engl. Photos [Col. JDC 3305(1973)] [Obs. MJW (2012)]
Grewiaceae
Grewia sp. [Col. JDC 4574(1976) scandent shrub, flowering and fruiting]
- Triumfetta cordifolia A.Rich. Photos [Obs. MJW (2012)]
Hyacinthaceae
Drimia
- Drimia altissima (L.f.) Ker Gawl. [Obs. PU (2015)]
- Drimia aff. indica (Roxb.) Jessop (Syn. Urginea indica) [Obs. PU (2013)]
Hypericaceae
- Harungana madagascariensis Lam. ex Poir. Photos [Obs. MJW (2012)]
- Psorospermum aurantiacum Engl. [Col. JDC 2717(1972)]
- Psorospermum corymbiferum Hochr. [Col. JDC 2717(1972)]
Icacinaceae
- Apodytes dimidiata E.Mey. ex Arn. [Col. JDC 2718(1972)]
- Leptaulus congolanus (Baill.) Lobr.-Callen & Villiers Photos (Syn. L. zenkeri) [Col. JDC 3308(1973)] [Obs. MJW (2012)]
- Leptaulus daphnoides Benth. [Col. JDC 4547(1976); HMC 537(2003), HMC 684(2004), HMC 749(2004), HMC 759(2005)] [Tree 195, 590, 626, 749]
Lamiaceae
- Achyrospermum africanum Hook.f. ex Baker [Obs. MJW (2012)]
- Clerodendrum cephalanthum Oliv. Photos [Obs. MJW (2012)]
- Clerodendrum formicarium Gürke Photos [Obs. MJW (2012)]
- Clerodendrum schweinfurthii Gürke Photos [Obs. MJW (2012)]
Isodon (Schrad. ex Benth.) Spach
- Isodon ramosissimus (Hook.f.) Codd [Obs. MJW (2012)]
- Leucas songeana Sebald Photos [Obs. MJW (2012)]
- Micromeria imbricata (Forssk.) C.Chr. Photos [Obs. MJW (2012)]
- Pychnostachys sp. [Col. JDC 3341(1973)]
- Vitex doniana Sweet Photos [Obs. MJW (2012)]
Lauraceae
- Beilschmiedia mannii (Meisn.) Benth. & Hook.f. ex B.D.Jacks. Photos [Col. JDC 4592(1976), JDC 4601(1976)] [Obs. MJW (2012)]
Leeaceae
- Leea guineensis G. Don Photos [Col. JDC 4536(1976)] [Obs. MJW (2012)]
Lentibulariaceae
- Utricularia mannii Oliv. [Col. JDC 4514(1976) epiphyte, on moss covered branches with Polystachya cooperi. Yellow flowers up to 2.5 cm long]
Loranthaceae
- Phragmanthera capitata (Spreng.) Balle (Syn. Phragmanthera lapathifolia) [Obs. SG (2006)]
Maesaceae
- Maesa lanceloata Forssk. Photos [Col. JDC 4529(1976) forest margin] [Obs. MJW (2012)]
Malvaceae
- Bombax sp. [Obs. ForestGeo plot, 2016]
- Grewia carpinifolia Juss. [Col. HMC 681(2004)]
- Hibiscus diversifolius Jacq. Photos [Obs. MJW (2012)]
- Pavonia urens Cav. Photos [Obs. MJW (2012)]
- Urena lobata L. Photos [Obs. MJW (2012)]
Melastomataceae
- Memecylon afzelii G. Don [Col. JDC 4530(1976)]
- Memecylon dasyanthum Gilg & Ledermann ex Engl. [Col. HMC 722(2004)]
- Memycylon sp. nov. [Col. HMC 744] [Tree 526]
- Memycylon sp. [Col. JDC 3027(1973)]
- Memycylon sp. [Col. HMC 516(2003)] [Tree 131] {maybe Warnkeckea? - same tree number below}
- Memycylon sp. [Col. HMC 672(2004)] [Tree317]
Warneckea Gilg
- Warneckea cinnamomoides (G. Don) Jacq.-Fél. [Col. HMC 516, HMC 679] [Tree 131]
Meliaceae
- Carapa oreophila Kenfack sp. nov. Photos [Col. HMC 121(1973); JDC 3320(1973)] [Obs. MJW (2012)]
- Ekebergia capensis Sparrm. [Col. HMC 493(2003), HMC 689(2004)] [Tree 9]
- Entandrophragma angolense (Welw.) C.DC. [Col. JDC 3026(1973), JDC 3347(1973)]
- Guarea cedrata (A.Chev.) Pellegr. Photos [Obs. MJW (2012)] [Tree 119]
- Khaya grandifoliola C.DC. Photos [Obs. MJW (2012)]
- Lovoa trichilioides Harms Photos [Col. JDC 4612(1976)] [Obs. MJW (2012)]
- Trichilia monadelpha (Thonn.) J.J.de Wilde [Col. HMC 530(2003), HMC 694(2004), HMC 703(2004), HMC 707(2004), HMC 720(2004) HMC 747(2004), HMC 764(2005), HMC 767(2005),] [Tree 174, 400, 568, 654]
- Trichilia prieuriana A.Juss. [Col. HMC 738(2004), HMC 768(2005)] [Tree 503]
- Trichilia welwitschii C.DC. [Col. JDC 4561(1976)]
Melianthaceae
- Bersama abyssinica subsp. paullinioides (Planch.) Verdc. [Col. JDC 4608(1976) forest margin] JDC recommends further investigation, formerly listed under Bersama abyssinica.
Monimiaceae
- Xymalos monospora (Harv.) Baill. Photos [Col. JDC 4569(1976)] [Obs. MJW (2012)]
Moraceae
- Ficus chlamydocarpa Mildbr. & Burret [Col. JDC 2824(1972) at Kurmin Danko]
- Ficus cordata subsp. lecardii (Warb.) C.C.Berg [Col. HMC 545] [Tree 256]
- Ficus exasperata Vahl [Col. HMC 541] [Tree 209]
- Ficus lutea Vahl (Syn. F. vogellii)
- Ficus polita Vahl [Col. JDC 4563(1976)]
- Ficus sur Forssk. Photos [Col. JDC 4556(1976)] [Obs. MJW (2012)]
- Ficus vogeliana (Miq.) Miq. [Col. HMC 551] [Tree 292]
- Trilepisium madagascariense DC. Photos [Col. JDC 4564(1976)] [Obs. MJW (2012)]
Myrtaceae
- Eugenia gilgii Engl. & Brehmer Photos [Col. HMC 489] [Obs. MJW (2012)] [Tree number 137]
- Psidium guajava L. Photos [Obs. MJW (2012)]
- Syzygium guineense (Willd.) DC. Photos [Col. JDC 3333(1973) subsp. bamendae] [Obs. MJW (2012)]
Nyctaginaceae
- Mirabilis jalapa L. [Obs. PU 2014]
Ochnaceae
- Gomphia flava Schumach. & Thonn. Photos (Syn. Campylospermum flavum) [Col. HMC 542(2003), HMC 705(2004)] [Obs. MJW (2012)] [Tree 211]
- Gomphia scheffleri (Engl. & Gilg) Verdc. (Syn. Campylospermum scheffleri) [Obs. ForestGeo plot, 2016]
Oleaceae
Chionanthus africanus (Knobl.) Stearn [Col. JDC 3345(1973), JDC 3337(1973), JDC 4540(1976), JDC 4617(1976), JDC 4571(1976), JDC 4582(1976)]
- Chionanthus mildbraedii (Gilg & G.Schellenb.) Stearn Photos [Obs. MJW (2012)]
- Chionanthus sp. [Col. JDC 4576(1976)] slash pale yellow.
- Jasminum dichotomum Vahl Photos [Obs. MJW (2012)]
- Olax gambecola Baill. [Col. HMC 708(2004)] [Tree 400]
- Olax subscorpioides Oliv. [Col. HMC 686(2004)]
Opiliaceae
- Opilia amenacea Roxb. Photos [Obs. HMC(2013)]
Orchidaceae
- Aerangis gravenreuthii (Kraenzl.) Schltr. [Col. JDC 4512(1976) Det. by Isobyl la Croix(1995), epiphytic, low down in trees]
- Angraecum sp. [Col. JDC 4512(1976) epiphyte, flowers pure white star-like, the spur up to 9 cm long]
- Bulbophyllum scaberulum (Rolfe) Bolus Photos [Obs. MJW (2012)]
- Bulbophyllum sp. [Col. JDC 3346(1973)]
- Polystachya cooperi Summerh. [Col. HMC 207(1976) epiphyte, flowers white]
- Rhipidoglossum kamerunense ( Schltr. ) Garay (Syn. Diaphananthe kamerunensis) [Col. HMC 205(1976)]
Pandaceae
- Microdesmis puberula Hook.f. ex Planch. [Col. JDC 3336, JDC 3340(1973), JDC 4548(1976)]
Passifloraceae
- Adenia lobata (Jacq.) Engl. [Col. JDC 4607(1976)]
Pentapetaceae
- Dombeya ledermannii Engl. Photos [Obs. MJW (2012)]
Phyllanthaceae
- Antidesma vogelianum Müll.Arg. [Col. JDC 2556(1971), JDC 4516(1976), JDC 3143(1973) HMC 512(2003)] Found at forest margin and wooded grassland adjacent.
- Bridelia speciosa Müll.Arg. Photos [Col. JDC 2710(1972) forest margin, JDC 3289(1973), HMC 488(2003)] [Obs. MJW (2012)] Fulfulde name is burumburum.
- Margaritaria discoidea (Baill.) G.L.Webster [Col. JDC 3331(1973), HMC 699(2004)] [Tree 83]
- Phyllanthus reticulatus Poir. Photos [Obs. MJW (2012)]
Uapaca Baill.
- Uapaca sp. [Obs. SG (2006)]
Phytolaccaceae
Phytolacca L.
- Phytolacca dodecandra L'Hér. [Obs. MJW (2012)]
Piperaceae
- Peperomia fernandopoiana C. DC. [Col. JDC 2709(1972) epiphytic]
- Peperomia sp. [Obs. MJW (2012)]
- Peperomia sp. [Col. JDC 4519(1976)] Epiphytic on trees, 2m from ground, leaves small and fleshy.
- Piper capense L.f. Photos [Col. JDC 4535(1976)] [Obs. MJW (2012)]
- Piper peltatum L. (Syn. Lepianthes peltata ) Photos [Obs. MJW (2012)]
- Piper umbellatum L. [Col. JDC 4541(1976) recorded as Piper umbellata]
Pittosporaceae
- Pittosporum viridiflorum Sims Photos [Col. HMC 548(2003), HMC 716(2004)] [Obs. MJW (2012)] [Tree 268]
Poaceae
- Ctenium ledermannii Pilg. [Col. JDC 3310(1973)]
- Leptaspis cf zeylanica Nees ex Steud. [Col. JDC 4603(1976)]
- Olyra latifolia L. [Obs. JDC SR, MJW (2012)]
- Oplismenus hirtellus (L.) P.Beauv. [Col. JDC 3307(1973)]
- Setaria megaphylla (Steud.) T.Durand & Schinz [Obs. JDC (unknown)]
- Sporobolus pyramidalis P.Beauv. [Obs. PU (2014)]
Polygalaceae
- Securidaca welwitschii Oliver Photos [Obs. MJW (2012)]
Primulaceae
- Ardisia kivuensis Taton [Obs. MJW (2012)]
- Maesa lanceolata Forssk.
- Rapanea melanophloeos (L.) Mez [Col. HMC 550(2003)] [Tree 274]
Proteaceae
- Protea madiensis Oliv. Photos [Obs. MJW (2012)]
Putranjivaceae
- Drypetes gossweileri S.Moore [Col. JDC 4542(1976)]
- Drypetes sp. [Col. JDC 3324(1973)]
- Drypetes sp. [Col. HMC 575, 706, 750(2004)] [Tree 594, 612]
- Drypetes sp. (nov) aff aframensis [Col. JDC 3328(1973)]
- Drypetes cf. aframensis [Col. HMC 753(2004)] [Tree 547]
- Drypetes principum (Müll.Arg.) Hutch. [Col. HMC 729(2004)] [Tree 457]
Ranunculaceae
- Clematis hirsuta Guill. & Perr. Photos [Obs. MJW (2012)]
Rhamnaceae
- Gouania longispicata Engl. [Col. JDC 3290(1973) Liane to 15 m] [Tree 849]
Rhizophoraceae
- Cassipourea gummiflua Tul. [Col. JDC 4515(1976) forest margin, JDC 4619(1977)]
Rosaceae
- Prunus africana (Hook.f.) Kalkman [Col. HMC 526(2003), HMC 675(2004)] [Tree 330]
Rubiaceae
Aoranthe
- Aoranthe cladantha (K.Schum.) Somers, (Syn. Porterandia cladantha) [Col. HMC 769(2005)]
- Cuviera longiflora Hiern Photos [Col. JDC 4559(1976), HMC 532(2003)] [Obs. MJW (2012)]
Diodella
- Diodella aff. sarmentosa (Sw.) Bacigalupo & Cabral ex Borhidi (Syn. Diodia sarmentosa) [Obs. PU (2013)]
- Gaertnera paniculata Benth. Photos [Obs. MJW (2012)]
- Galium aff simense Fresen. [Col. HMC 123(1973)] herb scrambling over bushes along the upper edge of the forest. Stem up to 2m long, readily clinging to clothing.
- Galium sp. [Col. HMC 120(1973) herb at forest margin]
Ixora L.
- Ixora bauchiensis Hutch. & Dalziel [Col. HMC 723(2004)]
- Keetia venosa (Oliv.) Bridson Photos [Col. HMC 531(2003)] [Obs. MJW (2012)]
- Mussaenda arcuata Poir. Photos [Obs. MJW (2012)]
- Mussaenda erythrophylla Schumach. & Thonn. [Col. JDC 4527(1976)] [Obs. PU (2014)]
- Oldenlandia lancifolia (Schumach.) DC. [Obs. MJW(2012)]
- Oxyanthus speciosus DC. Photos [Col. JDC 3321(1973), JDC 4549(1976), JDC 4566(1976), HMC 538(2003), HMC 685(2004), HMC 746(2004), HMC 748(2004)] [Obs. MJW (2012)] [Tree 196, 560, 577]
- Pavetta corymbosa (DC.) F.N.Williams
- Pavetta owariensis P.Beauv. [Col. JDC 4524(1976)]
- Psychotria umbellata Thonn. Photos (Syn. Psychotria calva) [Col. HMC 722(2005)] [Obs. MJW (2012)]
- Psychotria peduncularis (Salisb.) Steyerm. Photos [Col. JDC 4526(1976)] [Obs. MJW (2012)]
- Psychotria succulenta (Hiern) E.M.A.Petit Photos [Col. JDC 4525(1976), HMC 547(2003)] [Obs. MJW (2012)] [Tree 262]
- Psydrax acutiflora (Hiern) Bridson [Col. JDC 4538(1976) forest margin]
- Psydrax horizontalis (Schumach. & Thonn.) Bridson Photos [Obs. MJW (2012)] (Syn. Canthium harizontale)
- Psydrax parviflora (Afzel.) Bridson Photos [Obs. MJW (2012)] (Syn. Canthium vulgare)
- Rothmannia urcelliformis (Hiern) Bullock ex Robyns Photos [Col. JDC 2713(1972), JDC 4568(1976), SO 136(2002), HMC 733(2004)] [Obs. MJW (2012)]
- Rytigynia umbellulata (Hiern) Robyns [Col. JDC 4528(1976)]
- Spermacoce sp. (Syn. Borreria) [Obs. MJW (2012)]
- Tricalysia okelensis Hiern
Ruscaceae
- Dracaena arborea (Willd.) Link [Obs. JDC SR(1973) forest edge]
- Dracaena fragrans (L.) Ker Gawl. Photos [Col. JDC 2716(1972)]
- Dracaena laxissima Engl. [Col. JDC 4598(1976)]
Rutaceae
- Clausena anisata (Willd.) Hook.f. ex Benth. Photos [Col. JDC 4553(1976)] [Obs. MJW (2012)]
- Zanthoxylum leprieurii Guill. & Perr. Photos [Col. JDC 4513(1976)] [Obs. MJW (2012)]
Sapindaceae
- Allophylus africanus P.Beauv. Photos [Col. JDC 4567(1976)] [Obs. MJW (2012)]
- Allophylus conraui [Col. HMC 485(2003)]
- Deinbollia pinnata (Poir.) Schumach. & Thonn. Photos [Col. HMC 763(2005)] [Obs. MJW (2012)]
- Deinbollia sp. [Col. JDC 4550(1976)]
- Deinbollia sp. nov. [Col. HMC 481(2003); HMC 484(2003)] [Det. Martin Cheek, RBG Kew]
- Paullinia pinnata L. Photos [Col. HMC 713(2004)] [Obs. MJW (2012)]
Sapotaceae
- Chrysophyllum albidium G.Don Photos [Col. JDC 3315(1973), JDC 3292(1973), JDC 3298(1973), HMC 511(2003)] [Obs. MJW (2012)] [Tree 98]
Manilkara Adans.
- Manilkara obovata (Sabine & G.Don) J.H.Hemsl. [Col. HMC 721(2004), HMC 766(2005)]
- Pouteria altissima (A.Chev.) Baehni [Col. JDC 3304(1973) seedling collected, JDC 3316]
Synsepalum Baill.
- Synsepalum sp. [Col. HMC 776]
Scrophulariaceae
Alectra sessiliflora (Vahl) Kuntze
Simaroubaceae
Brucea J.F.Mill.
Brucea antidysenterica J.F.Mill. [Col. HMC 210(2004), HMC 554(2003)] [Tree 322]
Quassia gabonensis Pierre (Syn. Hannoa klaineana)
Smilacaceae
Smilax anceps Willd. Photos [Obs. MJW (2012)]
Solanaceae
Solanum aculeastrum Dunal Photos [Obs. MJW (2012)]
- Solanum erianthum D. Don [Col. HMC 719(2004)]
Solanum torvum Sw. Photos [Obs. MJW (2012)]
Sterculiaceae
Pterygota mildbraedii Engl. [Col. JDC 4593(1976)]
Sterculia tragacantha Lindl. [Col. HMC 506] [Tree 110]
Stilbaceae
- Nuxia congesta R.Br. ex Fresen. Photos [Col. JDC 2561(1971) JDC 4584(1976) forest margin] [Obs. IM (2012)]
Strombosiaceae
- Strombosia scheffleri Engl. Photos [Col. JDC 4541(1976), HMC 524(2003), HMC 543(2003), HMC 557(2003)] [Obs. MJW (2012)] [Tree 166, 381]
Thymelaeaceae
- Dicranolepis grandiflora Engl. Photos [Col. JDC 3312(1973), JDC 4510(1976), SO 144(2002), HMC 529(2003)] [Obs. MJW (2012)] Horizontal branching
- Dicranolepis vestita Engl. [Col. JDC 4616(1977) Det. by Kew 24-6-1981]
- Peddiea africana Harv. Photos [Obs. MJW (2012)]
- Peddiea fischeri Engl. [Col. JDC 3326, JDC 4518(1976), HMC 487(2003), HMC 507(2003), HMC 725(2004), HMC 760(2005) [Tree 647]
Ulmaceae
- Celtis gomphophylla Baker [Col. JDC 4546(1976), JDC 4580(1976)]
- Trema orientalis (L.) Blume Photos [Obs. MJW (2012)]
Zingiberaceae
Aframomum
- Aframomum angustifolium (Sonn.) K.Schum. [Col. JDC 2559(1971)]
- Aframomum aff. daniellii (Hook.f.) Schum. [Obs. HMC (2014)]