| FAMILY | TAXON | FIRST AUTHOR | COLLECTIONS |
| Acanthaceae | Asystasia | Blume | 2 |
| Acanthaceae | Barleria | L. | 1 |
| Acanthaceae | Crossandra cloiselii | S. Moore | 3 |
| Acanthaceae | Ecbolium | S. Kurz | 1 |
| Acanthaceae | Ecbolium syringifolium | (Vahl) Vollesen | 6 |
| Acanthaceae | Hypoestes | Sol. ex R. Br. | 1 |
| Acanthaceae | Hypoestes forskaolii | (Vahl) R. Br. | 1 |
| Acanthaceae | Justicia | L. | 6 |
| Acanthaceae | Oplonia vincoides | (Lam.) Stearn | 8 |
| Acanthaceae | Ruellia monanthos | (Nees) Bojer ex T. Anderson | 1 |
| Aizoaceae | Mollugo | L. | 2 |
| Aizoaceae | Mollugo decandra | Scott-Elliot | 5 |
| Amaranthaceae | Aerva triangularifolia | Cavaco | 1 |
| Amaranthaceae | Deeringia densiflora | Cavaco | 4 |
| Amaryllidaceae | Crinum asiaticum | L. | 1 |
| Anacardiaceae | Campnosperma micranteium | Marchand | 1 |
| Anacardiaceae | Operculicarya decaryi | H. Perrier | 1 |
| Anacardiaceae | Poupartia chapelieri | (Guillaumin) H. Perrier | 16 |
| Anacardiaceae | Poupartia minor | (Bojer) L. Marchand | 1 |
| Anacardiaceae | Protorhus | Engl. | 4 |
| Anacardiaceae | Protorhus ditimena | H. Perrier | 5 |
| Anacardiaceae | Protorhus lecomtei | H. Perrier | 2 |
| Anacardiaceae | Rhus taratana | (Baker) H. Perrier | 6 |
| Anacardiaceae | Rhus thouarsii | (Engl.) H. Perrier | 8 |
| Anacardiaceae | Rhus thouarsii var. monticola | H. Perrier | 1 |
| Anisophylleaceae | Anisophyllea fallax | Scott-Elliot | 1 |
| Annonaceae | Ambavia gerrardii | (Baill.) Le Thomas | 7 |
| Annonaceae | Monanthotaxis glaucocarpa | (Baill.) Verdc. | 2 |
| Annonaceae | Monanthotaxis micrantha | (Baker) Verdc. | 10 |
| Annonaceae | Monanthotaxis pilosa | (Baill.) Verdc. | 4 |
| Annonaceae | Polyalthia henricii | Diels | 1 |
| Annonaceae | Polyalthia madagascariensis | Cavaco & Keraudren | 2 |
| Annonaceae | Polyalthia pendula | Capuron ex G.E. Schatz & Le Thomas | 4 |
| Annonaceae | Uvaria commersoniana | Baill. | 8 |
| Annonaceae | Uvaria decaryana | Cavaco & Keraudren | 2 |
| Annonaceae | Xylopia danguyella | Ghesq. ex Cavaco & Keraudren | 1 |
| Annonaceae | Xylopia humblotiana | Baill. | 8 |
| Aphloiaceae | Aphloia | Benn. | 1 |
| Aphloiaceae | Aphloia theiformis | (Vahl) Benn. | 5 |
| Aphloiaceae | Aphloia theiformis subsp. deltoides | (Poir.) H. Perrier | 1 |
| Aphloiaceae | Aphloia theiformis var. latifolia | B. Boivin | 1 |
| Apocynaceae | Alafia | Thouars | 1 |
| Apocynaceae | Cabucala madagascariensis | (A. DC.) Pichon | 1 |
| Apocynaceae | Cabucala torulosa | Pichon | 1 |
| Apocynaceae | Carissa | L. | 2 |
| Apocynaceae | Carissa edulis | (Forssk.) Vahl | 7 |
| Apocynaceae | Carissa edulis var. edulis | 3 | |
| Apocynaceae | Carissa edulis var. revoluta | (Scott-Elliot) Markgr. | 3 |
| Apocynaceae | Carissa sessiliflora | Brongn. ex Pichon | 2 |
| Apocynaceae | Catharanthus longifolius | (Pichon) Pichon | 1 |
| Apocynaceae | Catharanthus roseus | (L.) G. Don | 1 |
| Apocynaceae | Cerbera manghas | L. | 7 |
| Apocynaceae | Landolphia myrtifolia | (Poir.) Markgr. | 1 |
| Apocynaceae | Mascarenhasia | A. DC. | 1 |
| Apocynaceae | Mascarenhasia arborescens | A. DC. | 8 |
| Apocynaceae | Mascarenhasia speciosa | Scott-Elliot | 10 |
| Apocynaceae | Petchia madagascariensis | (A. DC.) Leeuwenb. | 19 |
| Apocynaceae | Plectaneia thouarsii | Roem. & Schult. | 8 |
| Apocynaceae | Tabernaemontana coffeoides | Bojer ex A. DC. | 4 |
| Apocynaceae | Tabernaemontana mocquerysii | Aug. DC. | 1 |
| Apocynaceae | Tabernaemontana retusa | (Lam.) Palacky | 1 |
| Apocynaceae | Voacanga thouarsii | Roem. & Schult. | 2 |
| Araceae | Pothos scandens | L. | 1 |
| Araliaceae | Cuphocarpus aculeatus | Decne. & Planch. | 9 |
| Araliaceae | Gastonia duplicata | Thouars ex Baill. | 1 |
| Araliaceae | Polyscias ornifolia | (Baker) Harms | 2 |
| Araliaceae | Schefflera | J.R. Forst. & G. Forst. | 1 |
| Araliaceae | Schefflera rainaliana | Bernardi | 14 |
| Araliaceae | Schefflera vantsilana | (Baker) Bernardi | 1 |
| Arecaceae | Beccariophoenix madagascariensis | Jum. & H. Perrier | 1 |
| Arecaceae | Dypsis | Noronha ex Mart. | 3 |
| Arecaceae | Dypsis brevicaulis | (Guillaumet) Beentje & J. Dransf. | 2 |
| Arecaceae | Dypsis fibrosa | (C.H. Wright) Beentje & J. Dransf. | 1 |
| Arecaceae | Dypsis saintelucei | Beentje | 2 |
| Arecaceae | Dypsis scottiana | (Becc.) Beentje & J. Dransf. | 16 |
| Arecaceae | Ravenea sambiranensis | Jum. & H. Perrier | 1 |
| Asclepiadaceae | Baroniella camptocarpoides | Costantin & Gallaud | 4 |
| Asclepiadaceae | Calyptranthera | Klack. | 1 |
| Asclepiadaceae | Calyptranthera caudiclava | (Choux) Klack. | 2 |
| Asclepiadaceae | Ceropegia | L. | 1 |
| Asclepiadaceae | Ceropegia albisepta | Jum. & H. Perrier | 3 |
| Asclepiadaceae | Ceropegia racemosa subsp. glabra | H. Huber | 1 |
| Asclepiadaceae | Cynanchum lineare subsp. lineare | 1 | |
| Asclepiadaceae | Cynanchum luteifluens var. luteifluens | 2 | |
| Asclepiadaceae | Cynanchum subtilis | Liede | 1 |
| Asclepiadaceae | Folotsia madagascariense | (Jum. & H. Perrier) Desc. | 1 |
| Asclepiadaceae | Leptadenia madagascariensis | Decne. | 1 |
| Asclepiadaceae | Marsdenia cordifolia | Choux | 2 |
| Asclepiadaceae | Pentopetia boivinii | Costantin & Gallaud | 1 |
| Asclepiadaceae | Pleurostelma cernuum | (Decne.) Bullock | 1 |
| Asclepiadaceae | Secamone | R. Br. | 4 |
| Asclepiadaceae | Secamone cloiselii | Choux | 2 |
| Asclepiadaceae | Secamone cristata subsp. densiflora | Klack. | 1 |
| Asclepiadaceae | Secamone grandiflora | Klack. | 3 |
| Asclepiadaceae | Secamone humbertii | Choux | 4 |
| Asclepiadaceae | Secamone obovata | Decne. | 3 |
| Asclepiadaceae | Secamone uncinata | Choux | 5 |
| Asclepiadaceae | Stephanotis floribunda | Brongn. | 4 |
| Asteraceae | Anisopappus longipes | (Comm. ex Cass.) Wild | 1 |
| Asteraceae | Athroisma proteiforme | (Humbert) Mattf. | 1 |
| Asteraceae | Centauropsis antanossi | (Scott-Elliot) Humbert | 1 |
| Asteraceae | Crassocephalum crepidioides | (Benth.) S. Moore | 1 |
| Asteraceae | Helichrysum | Mill. | 1 |
| Asteraceae | Helichrysum leucocladum | Humbert | 2 |
| Asteraceae | Launaea sarmentosa | (Willd.) Sch. Bip. ex Kuntze | 2 |
| Asteraceae | Mikania capensis | DC. | 1 |
| Asteraceae | Pluchea tomentosa | DC. | 1 |
| Asteraceae | Psiadia | Jacq. | 1 |
| Asteraceae | Psiadia angustifolia | (Humbert) Humbert | 1 |
| Asteraceae | Psiadia lucida | (Cass.) Drake | 4 |
| Asteraceae | Senecio | L. | 3 |
| Asteraceae | Senecio antandroi | Scott-Elliot | 1 |
| Asteraceae | Senecio madagascariensis | Poir. | 2 |
| Asteraceae | Senecio vaingaindranii | Scott-Elliot | 1 |
| Asteraceae | Vernonia | Schreb. | 2 |
| Asteraceae | Vernonia amygdalina | Delile | 1 |
| Asteraceae | Vernoniopsis caudata | (Drake) Humbert | 1 |
| Asteraceae | Vernoniopsis caudata subsp. caudata | 5 | |
| Asteropeiaceae | Asteropeia | Thouars | 3 |
| Asteropeiaceae | Asteropeia micraster | Hallier f. | 32 |
| Asteropeiaceae | Asteropeia multiflora | Thouars | 29 |
| Basellaceae | Basella leandriana | H. Perrier | 1 |
| Bignoniaceae | Colea obtusifolia | A. DC. | 2 |
| Bignoniaceae | Ophiocolea delphinensis | H. Perrier | 15 |
| Bignoniaceae | Phyllarthron bernierianum | Seem. | 1 |
| Bignoniaceae | Phyllarthron ilicifolium | (Pers.) H. Perrier | 8 |
| Bignoniaceae | Phyllarthron madagascariense | K. Schum. | 1 |
| Bignoniaceae | Rhodocolea | Baill. | 1 |
| Bignoniaceae | Rhodocolea racemosa | (Lam.) H. Perrier | 16 |
| Brassicaceae | Coronopus integrifolius | (DC.) Spreng. | 1 |
| Brassicaceae | Lepidium englerianum | (Muschl.) Al-Shehbaz | 3 |
| Burmanniaceae | Burmannia | L. | 1 |
| Burmanniaceae | Burmannia madagascariensis | Mart. & Zucc. | 2 |
| Burseraceae | Canarium | L. | 4 |
| Burseraceae | Canarium boivinii | Engl. | 8 |
| Burseraceae | Canarium madagascariense | Engl. | 1 |
| Burseraceae | Canarium madagascariense subsp. obtusifolium | (Scott-Elliot) Leenh. | 1 |
| Burseraceae | Commiphora humbertii | H. Perrier | 1 |
| Burseraceae | Commiphora lamii | H. Perrier | 1 |
| Burseraceae | Protium beandou | L. Marchand ex Engl. | 2 |
| Buxaceae | Buxus madagascarica | Baill. | 7 |
| Cactaceae | Rhipsalis baccifera | (J.S. Muell.) Stearn | 3 |
| Campanulaceae | Wahlenbergia abyssinica | (Hochst. ex A. Rich.) Thulin | 2 |
| Canellaceae | Cinnamosma | Baill. | 2 |
| Canellaceae | Cinnamosma madagascariensis | Danguy | 5 |
| Canellaceae | Cinnamosma madagascariensis var. namoronensis | H. Perrier | 3 |
| Capparaceae | Capparis | L. | 1 |
| Capparaceae | Capparis chrysomeia | Bojer | 1 |
| Capparaceae | Capparis sepiaria | L. | 2 |
| Capparaceae | Cleome bojeri | Hadj-Moust. | 1 |
| Capparaceae | Crataeva | L. | 1 |
| Capparaceae | Crateva excelsa | Bojer | 4 |
| Capparaceae | Crateva greveana | Baill. | 4 |
| Capparaceae | Crateva humblotii | (Baill.) Hadj-Moust. | 1 |
| Capparaceae | Crateva obovata | Vahl | 18 |
| Capparaceae | Thilachium panduriforme | (Lam.) Juss. | 5 |
| Capparaceae | Thilachium sumangui | Bojer | 1 |
| Capparaceae | Thilachium thomasii | Gilg | 1 |
| Caryophyllaceae | Polycarpaea | Lam. | 1 |
| Celastraceae | Brexia | Noronha ex Thouars | 3 |
| Celastraceae | Brexia apoda | H. Perrier | 1 |
| Celastraceae | Brexia australis | G.E. Schatz & Lowry | 5 |
| Celastraceae | Brexia humbertii | H. Perrier | 7 |
| Celastraceae | Brexia madagascariensis | (Lam.) Ker Gawl. | 13 |
| Celastraceae | Brexiella cymosa | H. Perrier | 2 |
| Celastraceae | Cassine micrantha | (Tul.) Loes. | 2 |
| Celastraceae | Celastraceae fam. | R. Br. | 1 |
| Celastraceae | Elaeodendron alluaudianum | H. Perrier | 5 |
| Celastraceae | Euonymus | L. | 1 |
| Celastraceae | Euonymus elaeodendroides | Loes. | 1 |
| Celastraceae | Mystroxylon | Eckl. & Zeyh. | 1 |
| Celastraceae | Mystroxylon aethiopicum | (Thunb.) Loes. | 8 |
| Celastraceae | Polycardia | Juss. | 2 |
| Celastraceae | Polycardia lateralis | O. Hoffm. | 1 |
| Celastraceae | Polycardia phyllanthoides | (Lam.) DC. | 7 |
| Chrysobalanaceae | Magnistipula tamenaka | (Capuron) F. White | 6 |
| Clusiaceae | Calophyllum pervillei | Drake | 1 |
| Clusiaceae | Eliea articulata | (Lam.) Cambess. | 19 |
| Clusiaceae | Eliea articulata subsp. cloiselii | H. Perrier | 3 |
| Clusiaceae | Garcinia | L. | 30 |
| Clusiaceae | Garcinia pauciflora | Baker | 3 |
| Clusiaceae | Garcinia verrucosa | Jum. & H. Perrier | 4 |
| Clusiaceae | Harungana madagascariensis | Lam. ex Poir. | 2 |
| Clusiaceae | Mammea | L. | 2 |
| Clusiaceae | Mammea punctata | (H. Perrier) ined. | 1 |
| Clusiaceae | Mammea sessiliflora | (Poir.) Planch. & Triana | 9 |
| Clusiaceae | Ochrocarpos decipiens | Baill. | 1 |
| Clusiaceae | Ochrocarpos madagascariensis | DC. | 1 |
| Clusiaceae | Ochrocarpos parvifolius | Scott-Elliot | 11 |
| Clusiaceae | Psorospermum | Spach | 1 |
| Clusiaceae | Psorospermum brachypodum | Baker | 4 |
| Clusiaceae | Psorospermum cerasifolium | Baker | 1 |
| Clusiaceae | Psorospermum lanceolatum | (Choisy) Hochr. | 4 |
| Clusiaceae | Psorospermum revolutum | (Choisy) Hochr. | 11 |
| Clusiaceae | Rheedia aphanophlebia | (Baker) H. Perrier | 1 |
| Clusiaceae | Rheedia madagascariensis | (Planch. & Triana) H. Perrier | 3 |
| Clusiaceae | Symphonia | L. f. | 1 |
| Clusiaceae | Symphonia verrucosa | (Hils. & Bojer ex Planch. & Triana) Benth. & | 1 |
| Combretaceae | Combretum | Loefl. | 1 |
| Combretaceae | Combretum coccineum | (Sonn.) Lam. | 4 |
| Combretaceae | Lumnitzera racemosa | Willd. | 1 |
| Combretaceae | Terminalia | L. | 2 |
| Combretaceae | Terminalia catappa | L. | 1 |
| Combretaceae | Terminalia fatraea | (Poir.) DC. | 4 |
| Combretaceae | Terminalia pumila | Thouars ex Tul. | 3 |
| Commelinaceae | Coleotrype goudotii | C.B. Clarke | 1 |
| Commelinaceae | Commelina ramulosa | H. Perrier | 1 |
| Connaraceae | Agelaea pentagyna | (Lam.) Baill. | 4 |
| Connaraceae | Cnestis polyphylla | Lam. | 3 |
| Convolvulaceae | Merremia tridentata | (L.) Hallier f. | 1 |
| Crassulaceae | Bryophyllum pinnatum | (Lam.) Kurz | 1 |
| Crassulaceae | Bryophyllum tubiflorum | Harv. | 1 |
| Crassulaceae | Crassula | L. | 1 |
| Crassulaceae | Kalanchoe | Adans. | 1 |
| Crassulaceae | Kalanchoe bracteata | Scott-Elliot | 1 |
| Crassulaceae | Kalanchoe rosei | Raym.-Hamet & H. Perrier | 1 |
| Cucurbitaceae | Cucurbitaceae fam. | Juss. | 1 |
| Cucurbitaceae | Peponium poissonii | Keraudren | 1 |
| Cucurbitaceae | Xerosicyos danguyi | Humbert | 1 |
| Cucurbitaceae | Zehneria polycarpa | (Cogn.) Keraudren | 2 |
| Cunoniaceae | Weinmannia | L. | 1 |
| Cunoniaceae | Weinmannia louveliana | Bernardi | 1 |
| Cunoniaceae | Weinmannia madagascariensis | DC. | 5 |
| Cunoniaceae | Weinmannia rutenbergii | Engl. | 1 |
| Cyperaceae | Actinoschoenus thouarsii | (Kunth) Benth. | 1 |
| Cyperaceae | Bulbostylis xerophila | Cherm. | 1 |
| Cyperaceae | Cyperus | L. | 1 |
| Cyperaceae | Cyperus crassipes | Vahl | 1 |
| Cyperaceae | Cyperus dubius | Rottb. | 2 |
| Cyperaceae | Cyperus prolifer | Lam. | 1 |
| Cyperaceae | Cyperus subbadius | Ku|2k. | 1 |
| Cyperaceae | Fimbristylis dichotoma | (L.) Vahl | 1 |
| Cyperaceae | Machaerina anceps | (Poir.) Bojer | 1 |
| Cyperaceae | Mariscus congestus | C.B. Clarke | 1 |
| Cyperaceae | Pycreus | P. Beauv. | 3 |
| Cyperaceae | Pycreus commersonii | (C.B. Clarke) Cherm. | 1 |
| Cyperaceae | Pycreus fluminalis | (Ridl.) Troupin | 1 |
| Cyperaceae | Pycreus polystachyos | (Rottb.) P. Beauv. | 1 |
| Cyperaceae | Pycreus polystachyos subsp. polystachyos | 1 | |
| Cyperaceae | Pycreus rhizomatosus | C.B. Clarke | 2 |
| Cyperaceae | Rhynchospora holoschoenoides | (Rich.) Herter | 1 |
| Cyperaceae | Schoenoplectus subulatus | (Vahl) Lye | 1 |
| Cyperaceae | Scleria trialata | Poir. | 2 |
| Dichapetalaceae | Dichapetalum | Thouars | 1 |
| Dichapetalaceae | Dichapetalum leucosia | (Spreng.) Engl. | 2 |
| Dichapetalaceae | Dichapetalum madagascariense var. madagascarien | 2 | |
| Didiereaceae | Alluaudia | (Drake del Castillo) Drake | 1 |
| Didiereaceae | Alluaudia dumosa | (Drake) Drake | 1 |
| Dilleniaceae | Dillenia triquetra | (Rottb.) Gilg | 4 |
| Dilleniaceae | Hibbertia | Andrews | 1 |
| Dilleniaceae | Hibbertia coriacea | (Pers.) Baill. | 3 |
| Dilleniaceae | Tetracera madagascariensis | Willd. ex Schltdl. | 1 |
| Dioscoreaceae | Dioscorea proteiformis | H. Perrier | 3 |
| Dioscoreaceae | Dioscorea soso | Jum. & H. Perrier | 1 |
| Ebenaceae | Diospyros | L. | 17 |
| Ebenaceae | Diospyros bernieri | Hiern | 3 |
| Ebenaceae | Diospyros danguyana | H. Perrier | 1 |
| Ebenaceae | Diospyros ferrea | (Willd.) Bakh. | 1 |
| Ebenaceae | Diospyros gracilipes | Hiern | 5 |
| Ebenaceae | Diospyros haplostylis | Boivin ex Hiern | 1 |
| Ebenaceae | Diospyros humbertiana | H. Perrier | 1 |
| Ebenaceae | Diospyros lanceolata | Poir. | 11 |
| Ebenaceae | Diospyros myriophylla | (H. Perrier) ined. | 16 |
| Ebenaceae | Diospyros toxicaria | Hiern | 1 |
| Ebenaceae | Maba magnifolia | H. Perrier | 3 |
| Elaeocarpaceae | Elaeocarpus alnifolius | Baker | 11 |
| Ericaceae | Agauria | (DC.) Benth. | 1 |
| Ericaceae | Agauria salicifolia | (Comm. ex Lam.) Hook. f. ex Oliv. | 2 |
| Ericaceae | Erica | L. | 2 |
| Ericaceae | Erica cryptoclada | (Baker) Dorr & E.G.H. Oliv. | 1 |
| Ericaceae | Erica goudotiana | (Klotzsch) Dorr & E.G.H. Oliv. | 1 |
| Ericaceae | Erica leucoclada | (Baker) Dorr & E.G.H. Oliv. | 1 |
| Ericaceae | Erica sparsa var. sparsa | 1 | |
| Ericaceae | Vaccinium | L. | 3 |
| Ericaceae | Vaccinium emirnense | Hook. | 4 |
| Ericaceae | Vaccinium thiniorum | Dorr | 1 |
| Erythroxylaceae | Erythroxylon | L. | 1 |
| Erythroxylaceae | Erythroxylum | P. Browne | 20 |
| Erythroxylaceae | Erythroxylum corymbosum | Boivin ex Baill. | 4 |
| Erythroxylaceae | Erythroxylum gerrardii | Baker | 3 |
| Erythroxylaceae | Erythroxylum gerrardii var. gerrardii | 2 | |
| Erythroxylaceae | Erythroxylum myrtoides | Bojer | 1 |
| Erythroxylaceae | Erythroxylum nitidulum | Baker | 5 |
| Erythroxylaceae | Erythroxylum platycladum | Bojer | 1 |
| Erythroxylaceae | Erythroxylum pyrifolium | Baker | 1 |
| Erythroxylaceae | Erythroxylum sphaeranthum | H. Perrier | 2 |
| Euphorbiaceae | Acalypha | L. | 2 |
| Euphorbiaceae | Acalypha reticulata | (Poir.) Mu|2ll. Arg. | 1 |
| Euphorbiaceae | Acalypha reticulata var. urophylla | (Boivin ex Baill.) Mu|2ll. Arg. | 3 |
| Euphorbiaceae | Acalypha vulneraria | Baill. | 4 |
| Euphorbiaceae | Anthostema | A. Juss. | 1 |
| Euphorbiaceae | Antidesma madagascariense | Lam. | 3 |
| Euphorbiaceae | Blotia leandriana | Petra Hoffm. & McPherson | 9 |
| Euphorbiaceae | Blotia oblongifolia var. louvelii | (Leandri) Leandri | 1 |
| Euphorbiaceae | Claoxylon flavum | Scott-Elliot | 1 |
| Euphorbiaceae | Cleistanthus suarezensis | Leandri | 1 |
| Euphorbiaceae | Croton | L. | 10 |
| Euphorbiaceae | Croton cassinoides | Lam. | 4 |
| Euphorbiaceae | Croton chapelieri | Baill. | 1 |
| Euphorbiaceae | Croton daphniphyllum | Radcl.-Sm. | 15 |
| Euphorbiaceae | Croton daphniphyllum var. hirsutus | Radcl.-Sm. | 2 |
| Euphorbiaceae | Croton inops | Baill. | 1 |
| Euphorbiaceae | Croton lapiazicola | Leandri | 1 |
| Euphorbiaceae | Croton louvelii | Leandri | 4 |
| Euphorbiaceae | Croton mavoravina | Leandri | 1 |
| Euphorbiaceae | Croton nobilis var. delphinensis | Leandri | 1 |
| Euphorbiaceae | Croton rhododendroides | Radcl.-Sm. | 1 |
| Euphorbiaceae | Croton trichotomus | Geiseler | 3 |
| Euphorbiaceae | Croton trichotomus var. pulchellus | (Baill.) Leandri | 2 |
| Euphorbiaceae | Drypetes capuronii | Leandri | 1 |
| Euphorbiaceae | Drypetes madagascariensis | (Lam.) Humbert & Leandri | 12 |
| Euphorbiaceae | Drypetes madagascariensis var. perrieri | Humbert & Leandri | 3 |
| Euphorbiaceae | Euphorbia | L. | 9 |
| Euphorbiaceae | Euphorbia adenopoda | Baill. | 1 |
| Euphorbiaceae | Euphorbia commersonii | Baill. | 2 |
| Euphorbiaceae | Euphorbia decorsei | Drake | 1 |
| Euphorbiaceae | Euphorbia enterophora | Drake | 1 |
| Euphorbiaceae | Euphorbia francoisii | Leandri | 4 |
| Euphorbiaceae | Euphorbia intisy | Drake | 3 |
| Euphorbiaceae | Euphorbia lophogona | Lam. | 5 |
| Euphorbiaceae | Euphorbia mandravioky | Leandri | 1 |
| Euphorbiaceae | Euphorbia tetraptera | Baker | 20 |
| Euphorbiaceae | Excoecaria glaucescens | Scott-Elliot | 3 |
| Euphorbiaceae | Excoecaria thouarsiana | (Baill.) Muell. Arg. in A. De Candolle | 3 |
| Euphorbiaceae | Macaranga oblongifolia | Baill. | 11 |
| Euphorbiaceae | Macaranga obovata | Boivin ex Baill. | 4 |
| Euphorbiaceae | Mallotus | Lour. | 1 |
| Euphorbiaceae | Mallotus spinulosus | McPherson | 2 |
| Euphorbiaceae | Meineckia | Baill. | 2 |
| Euphorbiaceae | Meineckia websteri | Brunel & J. Roux | 4 |
| Euphorbiaceae | Petalodiscus bojerianus | (Baill.) Petra Hoffm. & McPherson | 8 |
| Euphorbiaceae | Petalodiscus platyrachis | (Baill.) Pax | 4 |
| Euphorbiaceae | Phyllanthus | L. | 4 |
| Euphorbiaceae | Phyllanthus angavensis | (Leandri) Leandri | 1 |
| Euphorbiaceae | Phyllanthus cryptophilus | (A. Juss.) Mu|2ll. Arg. | 2 |
| Euphorbiaceae | Phyllanthus decipiens | (Baill.) Mu|2ll. Arg. | 1 |
| Euphorbiaceae | Phyllanthus decipiens var. boivinianus | (Baill.) Leandri | 1 |
| Euphorbiaceae | Phyllanthus nummulariifolius | Poir. | 2 |
| Euphorbiaceae | Phyllanthus nummulariifolius subsp. nummulariif | 1 | |
| Euphorbiaceae | Phyllanthus nummulariifolius subsp. vinanibeae | Brunel & J.P. Roux | 1 |
| Euphorbiaceae | Phyllanthus seyrigii | Leandri | 3 |
| Euphorbiaceae | Sapium madagascariense | (Mu|2ll. Arg.) Pax | 4 |
| Euphorbiaceae | Savia platyrachis | Baill. | 1 |
| Euphorbiaceae | Suregada | Roxb. ex Rottler | 1 |
| Euphorbiaceae | Suregada adenophora | Baill. | 9 |
| Euphorbiaceae | Suregada baronii | (S. Moore) Croizat | 4 |
| Euphorbiaceae | Suregada boiviniana | Baill. | 1 |
| Euphorbiaceae | Suregada crenulata | Baill. | 1 |
| Euphorbiaceae | Thecacoris perrieri | Leandri | 1 |
| Euphorbiaceae | Uapaca | Baill. | 4 |
| Euphorbiaceae | Uapaca amplifolia | Denis | 1 |
| Euphorbiaceae | Uapaca densifolia | Baker | 3 |
| Euphorbiaceae | Uapaca ferruginea | Baill. | 4 |
| Euphorbiaceae | Uapaca ferruginea var. carnotiana | Leandri | 1 |
| Euphorbiaceae | Uapaca littoralis | M. Denis | 1 |
| Euphorbiaceae | Uapaca louvelii | Denis | 1 |
| Euphorbiaceae | Uapaca louvelii var. louvelii | 3 | |
| Euphorbiaceae | Uapaca louvelii var. paralia | Leandri | 1 |
| Fabaceae | Abrus aureus subsp. littoralis | (R. Vig.) Verdc. | 1 |
| Fabaceae | Aeschynomene brevifolia | L. ex Poir. | 1 |
| Fabaceae | Alantsilodendron pilosum | Villiers | 1 |
| Fabaceae | Albizia | Durazz. | 1 |
| Fabaceae | Albizia viridis var. viridis | 2 | |
| Fabaceae | Baudouinia fluggeiformis | Baill. | 1 |
| Fabaceae | Bauhinia madagascariensis subsp. madagascariens | 3 |