| FAMILY | TAXON | FIRST AUTHOR | COLLECTIONS |
| Acanthaceae | Hypoestes | Sol. ex R. Br. | 2 |
| Acanthaceae | Justicia | L. | 1 |
| Acanthaceae | Mimulopsis | Schweinf. | 1 |
| Anacardiaceae | Anacardiaceae fam. | Lindl. | 2 |
| Anacardiaceae | Campnosperma schatzii | Randrianasolo & J.S. Mill. | 2 |
| Anacardiaceae | Faguetia | N. L. Marchand | 1 |
| Anacardiaceae | Faguetia falcata | Marchand | 8 |
| Anacardiaceae | Poupartia chapelieri | (Guillaumin) H. Perrier | 2 |
| Anacardiaceae | Protorhus | Engl. | 1 |
| Anacardiaceae | Protorhus latifolia | Engl. | 1 |
| Anacardiaceae | Protorhus nitida | Engl. | 1 |
| Anacardiaceae | Rhus thouarsii | (Engl.) H. Perrier | 1 |
| Anacardiaceae | Sorindeia madagascariensis | Thouars ex DC. | 1 |
| Anisophylleaceae | Anisophyllea fallax | Scott-Elliot | 2 |
| Annonaceae | Ambavia gerrardii | (Baill.) Le Thomas | 11 |
| Annonaceae | Annonaceae fam. | Adans. | 1 |
| Annonaceae | Monanthotaxis | Baill. | 1 |
| Annonaceae | Polyalthia | Blume | 1 |
| Annonaceae | Polyalthia angustielliptica | G.E. Schatz & Le Thomas | 1 |
| Annonaceae | Polyalthia chapelieri | Baill. | 3 |
| Annonaceae | Polyalthia ghesquiereana | Cavaco & Keraudren | 1 |
| Annonaceae | Uvaria marenteria | (DC.) Baill. | 4 |
| Annonaceae | Xylopia | L. | 8 |
| Annonaceae | Xylopia buxifolia | Baill. | 5 |
| Annonaceae | Xylopia humblotiana | Baill. | 4 |
| Annonaceae | Xylopia lemurica | Diels | 2 |
| Aphloiaceae | Aphloia | Benn. | 1 |
| Aphloiaceae | Aphloia theiformis | (Vahl) Benn. | 2 |
| Apiaceae | Centella abbreviata | (A. Rich.) Nannf. | 1 |
| Apocynaceae | Apocynaceae fam. | Adans. | 1 |
| Apocynaceae | Carissa edulis | (Forssk.) Vahl | 2 |
| Apocynaceae | Cerbera | L. | 1 |
| Apocynaceae | Cerbera manghas | L. | 2 |
| Apocynaceae | Landolphia | P. Beauv. | 2 |
| Apocynaceae | Landolphia gummifera | (Poir.) K. Schum. | 8 |
| Apocynaceae | Mascarenhasia arborescens | A. DC. | 2 |
| Apocynaceae | Mascarenhasia tampinensis | Pichon | 4 |
| Apocynaceae | Petchia | Livera | 1 |
| Apocynaceae | Petchia madagascariensis | (A. DC.) Leeuwenb. | 3 |
| Apocynaceae | Plectaneia longisepala | Markgr. | 1 |
| Apocynaceae | Plectaneia thouarsii | Roem. & Schult. | 5 |
| Apocynaceae | Stephanostegia capuronii | Markgr. | 5 |
| Apocynaceae | Tabernaemontana | L. | 1 |
| Apocynaceae | Tabernaemontana ciliata | Pichon | 5 |
| Apocynaceae | Tabernaemontana retusa | (Lam.) Palacky | 5 |
| Apocynaceae | Voacanga thouarsii | Roem. & Schult. | 2 |
| Araceae | Pothos scandens | L. | 2 |
| Araliaceae | Cuphocarpus aculeatus | Decne. & Planch. | 10 |
| Araliaceae | Polyscias | J.R. Forst. & G. Forst. | 6 |
| Araliaceae | Polyscias aculeata | Harms | 1 |
| Araliaceae | Polyscias maralia | (Roem. & Schult.) Bernardi | 8 |
| Araliaceae | Polyscias ornifolia | (Baker) Harms | 2 |
| Arecaceae | Dypsis | Noronha ex Mart. | 10 |
| Arecaceae | Dypsis fibrosa | (C.H. Wright) Beentje & J. Dransf. | 1 |
| Arecaceae | Dypsis nodifera | Mart. | 2 |
| Arecaceae | Dypsis paludosa | J. Dransf. | 4 |
| Asclepiadaceae | Baroniella camptocarpoides | Costantin & Gallaud | 1 |
| Asclepiadaceae | Cynanchum | L. | 1 |
| Asclepiadaceae | Secamone | R. Br. | 1 |
| Asclepiadaceae | Secamone laxa | Klack. | 2 |
| Asclepiadaceae | Secamone obovata | Decne. | 2 |
| Asclepiadaceae | Secamone uncinata | Choux | 1 |
| Asclepiadaceae | Stephanotis | Thouars | 1 |
| Asclepiadaceae | Stephanotis thouarsii | Brongn. | 3 |
| Asteraceae | Anisopappus longipes | (Comm. ex Cass.) Wild | 1 |
| Asteraceae | Aspilia | Thouars | 3 |
| Asteraceae | Centauropsis antanossi | (Scott-Elliot) Humbert | 1 |
| Asteraceae | Epallage longipes | (Comm. ex Cass.) Humbert | 1 |
| Asteraceae | Mikania natalensis | DC. | 1 |
| Asteraceae | Mikania scandens | (L.) Willd. | 1 |
| Asteraceae | Senecio petitianus | A. Rich. | 1 |
| Asteraceae | Vernonia | Schreb. | 1 |
| Asteraceae | Vernoniopsis | Humbert | 1 |
| Asteraceae | Vernoniopsis caudata | (Drake) Humbert | 2 |
| Asteraceae | Vernoniopsis caudata subsp. caudata | 1 | |
| Asteropeiaceae | Asteropeia | Thouars | 2 |
| Asteropeiaceae | Asteropeia matrambody | (Capuron) G.E. Schatz, Lowry & A.-E. Wolf | 9 |
| Asteropeiaceae | Asteropeia multiflora | Thouars | 24 |
| Bignoniaceae | Bignoniaceae fam. | Juss. | 1 |
| Bignoniaceae | Colea | Bojer ex Meisn. | 1 |
| Bignoniaceae | Colea tetragona | A. DC. | 1 |
| Bignoniaceae | Ophiocolea | H. Perrier | 2 |
| Bignoniaceae | Ophiocolea floribunda | (Bojer ex Lindl.) H. Perrier | 6 |
| Bignoniaceae | Phyllarthron | DC. | 3 |
| Bignoniaceae | Phyllarthron madagascariense | K. Schum. | 4 |
| Bignoniaceae | Rhodocolea | Baill. | 1 |
| Bignoniaceae | Rhodocolea racemosa | (Lam.) H. Perrier | 6 |
| Burmanniaceae | Burmannia madagascariensis | Mart. & Zucc. | 2 |
| Burseraceae | Canarium boivinii | Engl. | 1 |
| Burseraceae | Canarium madagascariense subsp. obtusifolium | (Scott-Elliot) Leenh. | 1 |
| Burseraceae | Protium madagascariense | Engl. | 1 |
| Buxaceae | Buxus | L. | 1 |
| Buxaceae | Buxus madagascarica | Baill. | 5 |
| Cactaceae | Rhipsalis | Gaertn. | 1 |
| Cactaceae | Rhipsalis cassytha | Gaertn. | 2 |
| Campanulaceae | Lobelia anceps | L. f. | 2 |
| Campanulaceae | Wahlenbergia abyssinica | (Hochst. ex A. Rich.) Thulin | 1 |
| Capparaceae | Crateva | L. | 2 |
| Capparaceae | Crateva humblotii | (Baill.) Hadj-Moust. | 2 |
| Capparaceae | Crateva obovata | Vahl | 13 |
| Capparaceae | Thilachium | Lour. | 1 |
| Celastraceae | Brexia | Noronha ex Thouars | 2 |
| Celastraceae | Brexia alaticarpa | G.E. Schatz & Lowry | 3 |
| Celastraceae | Brexia madagascariensis | (Lam.) Ker Gawl. | 15 |
| Celastraceae | Brexiella cymosa | H. Perrier | 3 |
| Celastraceae | Cassine | L. | 1 |
| Celastraceae | Cassine micrantha | (Tul.) Loes. | 3 |
| Celastraceae | Cassine pauciflora | (Tul.) Loes. | 1 |
| Celastraceae | Polycardia | Juss. | 1 |
| Celastraceae | Polycardia libera | O. Hoffm. | 1 |
| Celastraceae | Polycardia phyllanthoides | (Lam.) DC. | 2 |
| Chrysobalanaceae | Grangeria | Comm. ex Juss. | 1 |
| Chrysobalanaceae | Magnistipula cerebriformis | (Capuron) F. White | 4 |
| Chrysobalanaceae | Magnistipula tamenaka | (Capuron) F. White | 1 |
| Clusiaceae | Calophyllum | L. | 1 |
| Clusiaceae | Calophyllum chapelieri | Drake | 10 |
| Clusiaceae | Calophyllum inophyllum | L. | 2 |
| Clusiaceae | Calophyllum tacamahaca | Willd. | 1 |
| Clusiaceae | Calophyllum verticillatum | P.F. Stevens | 1 |
| Clusiaceae | Clusiaceae fam. | Lindl. | 1 |
| Clusiaceae | Eliea articulata | (Lam.) Cambess. | 3 |
| Clusiaceae | Garcinia | L. | 3 |
| Clusiaceae | Garcinia madagascariensis | (Planch. & Triana) Benth. | 1 |
| Clusiaceae | Garcinia verrucosa | Jum. & H. Perrier | 1 |
| Clusiaceae | Mammea | L. | 4 |
| Clusiaceae | Mammea subsessilifolia | (Hochr.) Kosterm. | 7 |
| Clusiaceae | Ochrocarpos | Noronha ex Thouars | 2 |
| Clusiaceae | Ochrocarpos goudotianus | Planch. & Triana | 2 |
| Clusiaceae | Psorospermum | Spach | 7 |
| Clusiaceae | Psorospermum lanatum | Hochr. | 2 |
| Clusiaceae | Psorospermum lanceolatum | (Choisy) Hochr. | 9 |
| Clusiaceae | Psorospermum molluscum | (Pers.) Hochr. | 1 |
| Clusiaceae | Symphonia | L. f. | 3 |
| Clusiaceae | Symphonia nectarifera | Jum. & H. Perrier | 1 |
| Combretaceae | Terminalia | L. | 1 |
| Combretaceae | Terminalia fatraea | (Poir.) DC. | 1 |
| Combretaceae | Terminalia pumila | Thouars ex Tul. | 1 |
| Connaraceae | Agelaea | Sol. ex Planch. | 1 |
| Connaraceae | Agelaea lamarckii | Planch. | 1 |
| Connaraceae | Agelaea pentagyna | (Lam.) Baill. | 7 |
| Convolvulaceae | Ipomoea | L. | 1 |
| Convolvulaceae | Ipomoea littoralis | (L.) Blume | 1 |
| Convolvulaceae | Ipomoea pes-caprae subsp. brasiliensis | (L.) Ooststr. | 1 |
| Convolvulaceae | Merremia tridentata | (L.) Hallier f. | 3 |
| Cunoniaceae | Weinmannia madagascariensis | DC. | 1 |
| Cycadaceae | Cycas thouarsii | Gaudich. | 1 |
| Cyperaceae | Baumea iridifolia | (Willd. ex Link) Boeck. | 1 |
| Cyperaceae | Cyperus | L. | 2 |
| Cyperaceae | Cyperus psammophilus | Cherm. | 1 |
| Cyperaceae | Pycreus | P. Beauv. | 1 |
| Dichapetalaceae | Dichapetalum | Thouars | 1 |
| Dichapetalaceae | Dichapetalum rufum | (Tul.) Engl. | 1 |
| Didymelaceae | Didymeles integrifolia | J. St.-Hil. | 3 |
| Dilleniaceae | Dillenia triquetra | (Rottb.) Gilg | 1 |
| Dilleniaceae | Hibbertia coriacea | (Pers.) Baill. | 5 |
| Dilleniaceae | Tetracera madagascariensis | Willd. ex Schltdl. | 1 |
| Dioscoreaceae | Dioscorea | L. | 7 |
| Dioscoreaceae | Dioscorea arcuatinervis | Hochr. | 2 |
| Dioscoreaceae | Trichopus sempervirens | (H. Perrier) Caddick & Wilkin | 2 |
| Droseraceae | Drosera | L. | 1 |
| Ebenaceae | Diospyros | L. | 8 |
| Ebenaceae | Diospyros bernieri | Hiern | 7 |
| Ebenaceae | Diospyros ferrea | (Willd.) Bakh. | 3 |
| Ebenaceae | Diospyros haplostylis | Boivin ex Hiern | 2 |
| Ebenaceae | Diospyros mapingo | H. Perrier | 2 |
| Ebenaceae | Diospyros occlusa | H. Perrier | 1 |
| Elaeocarpaceae | Elaeocarpus alnifolius | Baker | 4 |
| Elaeocarpaceae | Elaeocarpus subserratus | Baker | 2 |
| Ericaceae | Agarista | D. Don ex G. Don | 1 |
| Ericaceae | Erica | L. | 2 |
| Ericaceae | Philippia | Klotzsch | 1 |
| Ericaceae | Vaccinium | L. | 1 |
| Ericaceae | Vaccinium laevigatum | Bojer ex Dunal | 5 |
| Eriocaulaceae | Eriocaulon | L. | 3 |
| Eriocaulaceae | Eriocaulon sexangulare | L. | 1 |
| Erythroxylaceae | Erythroxylum | P. Browne | 13 |
| Erythroxylaceae | Erythroxylum buxifolium | Lam. | 1 |
| Erythroxylaceae | Erythroxylum ferrugineum | Cav. | 1 |
| Erythroxylaceae | Erythroxylum nitidulum | Baker | 1 |
| Euphorbiaceae | Acalypha | L. | 1 |
| Euphorbiaceae | Acalypha reticulata var. arborea | (Poir.) Mu|2ll. Arg. | 1 |
| Euphorbiaceae | Amyrea | Leandri | 1 |
| Euphorbiaceae | Anthostema | A. Juss. | 2 |
| Euphorbiaceae | Anthostema madagascariensis | Baill. | 1 |
| Euphorbiaceae | Blotia oblongifolia | (Baill.) Leandri | 1 |
| Euphorbiaceae | Cleistanthus | Hook. f. ex Planch. | 3 |
| Euphorbiaceae | Cleistanthus boivinianus | (Baill.) Mu|2ll. Arg. | 2 |
| Euphorbiaceae | Cleistanthus perrieri | Leandri | 4 |
| Euphorbiaceae | Croton | L. | 11 |
| Euphorbiaceae | Croton nobilis | Baill. | 1 |
| Euphorbiaceae | Croton noronhae | Baill. | 2 |
| Euphorbiaceae | Croton trichotomus | Geiseler | 2 |
| Euphorbiaceae | Dalechampia tamifolia | Lam. | 1 |
| Euphorbiaceae | Drypetes madagascariensis | (Lam.) Humbert & Leandri | 4 |
| Euphorbiaceae | Euphorbia | L. | 3 |
| Euphorbiaceae | Excoecaria | L. | 2 |
| Euphorbiaceae | Excoecaria lissophylla | Baill. | 2 |
| Euphorbiaceae | Macaranga oblongifolia | Baill. | 1 |
| Euphorbiaceae | Macaranga obovata | Boivin ex Baill. | 6 |
| Euphorbiaceae | Mallotus | Lour. | 1 |
| Euphorbiaceae | Mallotus spinulosus | McPherson | 6 |
| Euphorbiaceae | Omphalea oppositifolia | (Willd.) L.J. Gillespie | 2 |
| Euphorbiaceae | Petalodiscus | (Baill.) Pax | 1 |
| Euphorbiaceae | Petalodiscus laureola | (Baill.) Pax | 13 |
| Euphorbiaceae | Petalodiscus oblongifolius | (Baill.) Pax | 1 |
| Euphorbiaceae | Phyllanthus | L. | 6 |
| Euphorbiaceae | Phyllanthus nummulariifolius | Poir. | 1 |
| Euphorbiaceae | Savia | Willd. | 1 |
| Euphorbiaceae | Suregada | Roxb. ex Rottler | 3 |
| Euphorbiaceae | Suregada boiviniana | Baill. | 2 |
| Euphorbiaceae | Suregada grandiflora | Radcl.-Sm. | 2 |
| Euphorbiaceae | Uapaca | Baill. | 1 |
| Euphorbiaceae | Uapaca louvelii | Denis | 2 |
| Euphorbiaceae | Uapaca thouarsii | Baill. | 3 |
| Fabaceae | Abrus aureus subsp. littoralis | (R. Vig.) Verdc. | 2 |
| Fabaceae | Abrus precatorius | L. | 2 |
| Fabaceae | Abrus precatorius subsp. africanus | Verdc. | 2 |
| Fabaceae | Adenanthera mantaroa | Villiers | 2 |
| Fabaceae | Afzelia | Sm. | 3 |
| Fabaceae | Albizia viridis | E. Fourn. | 1 |
| Fabaceae | Baudouinia | Baill. | 1 |
| Fabaceae | Baudouinia louvelii | R. Vig. | 5 |
| Fabaceae | Canavalia rosea | (Sw.) DC. | 1 |
| Fabaceae | Chamaecrista | Moench | 1 |
| Fabaceae | Crotalaria | L. | 1 |
| Fabaceae | Cynometra commersoniana | Baill. | 1 |
| Fabaceae | Hymenaea verrucosa | Gaertn. | 3 |
| Fabaceae | Intsia bijuga | (Colebr.) Kuntze | 6 |
| Fabaceae | Macrotyloma axillare | (E. Mey.) Verdc. | 1 |
| Fabaceae | Macrotyloma axillare var. glabrum | (E. Mey.) Verdc. | 1 |
| Fabaceae | Millettia hitsika | Du Puy & Labat | 2 |
| Fabaceae | Mundulea chapelieri | (Baill.) R. Viguier ex Du Puy & Labat | 4 |
| Fabaceae | Sakoanala madagascariensis | R. Vig. | 1 |
| Fabaceae | Trachylobium | Hayne | 1 |
| Fabaceae | Trachylobium verrucosum | (Gaertn.) Oliv. | 2 |
| Fabaceae | Viguieranthus kony | (R. Vig.) Villiers | 1 |
| Flacourtiaceae | Bembicia | Oliv. | 2 |
| Flacourtiaceae | Calantica | Jaub. ex Tul. | 5 |
| Flacourtiaceae | Calantica cerasifolia | (Vent.) Tul. | 1 |
| Flacourtiaceae | Calantica grandiflora | Jaub. ex Tul. | 1 |
| Flacourtiaceae | Casearia | Jacq. | 1 |
| Flacourtiaceae | Casearia lucida | Tul. | 2 |
| Flacourtiaceae | Casearia nigrescens | Tul. | 5 |
| Flacourtiaceae | Flacourtia | L'He|4r. | 2 |
| Flacourtiaceae | Flacourtia ramontchii | L'He|4r. | 1 |
| Flacourtiaceae | Homalium | Jacq. | 5 |
| Flacourtiaceae | Homalium brevipedunculatum | Scott-Elliot | 1 |
| Flacourtiaceae | Homalium involucratum | (DC.) O. Hoffm. | 1 |
| Flacourtiaceae | Homalium laxiflorum | (Tul.) Baill. | 3 |
| Flacourtiaceae | Homalium louvelianum | H. Perrier | 2 |
| Flacourtiaceae | Homalium planiflorum | (Boivin ex Tul.) Baill. | 4 |
| Flacourtiaceae | Homalium thuarsianum | (Tul.) Baill. | 3 |
| Flacourtiaceae | Ludia | Comm. ex Juss. | 1 |
| Flacourtiaceae | Ludia chapelieri | Sleumer | 4 |
| Flacourtiaceae | Ludia pinnatinervia | (H. Perrier) Capuron & Sleumer | 1 |
| Flacourtiaceae | Scolopia | Schreb. | 3 |
| Flacourtiaceae | Scolopia erythrocarpa | H. Perrier | 2 |
| Flacourtiaceae | Scolopia orientalis | Sleumer | 3 |
| Gentianaceae | Tachiadenus | Griseb. | 2 |
| Gentianaceae | Tachiadenus carinatus | (Desr.) Griseb. | 9 |
| Gentianaceae | Tachiadenus gracilis | Griseb. | 2 |
| Gentianaceae | Tachiadenus longiflorus | Griseb. | 1 |
| Gentianaceae | Tachiadenus tubiflorus | (Thouars ex Roem. & Schult.) Griseb. | 1 |
| Goodeniaceae | Scaevola | L. | 1 |
| Goodeniaceae | Scaevola plumieri | (L.) Vahl | 2 |
| Goodeniaceae | Scaevola taccada | (Gaertn.) Roxb. | 5 |
| Hamamelidaceae | Dicoryphe | Thouars | 4 |
| Hamamelidaceae | Dicoryphe macrophylla | Baill. | 2 |
| Hamamelidaceae | Dicoryphe stipulacea | J. St.-Hil. | 4 |
| Icacinaceae | Apodytes | E. Mey. ex Arn. | 4 |
| Icacinaceae | Apodytes dimidiata | E. Mey. ex Arn. | 1 |
| Icacinaceae | Cassinopsis | Sonder in Harv. & Sonder | 1 |
| Icacinaceae | Desmostachys | Miers | 2 |
| Icacinaceae | Desmostachys planchoniana | Miers | 4 |
| Icacinaceae | Grisollea | Baill. | 1 |
| Iridaceae | Geosiris aphylla | Baill. | 3 |
| Iridaceae | Gladiolus luteus | Lam. | 4 |
| Lauraceae | Beilschmiedia madagascariensis | (Baill.) Kosterm. | 11 |
| Lauraceae | Cassytha filiformis | L. | 2 |
| Lauraceae | Cryptocarya | R. Br. | 4 |
| Lauraceae | Cryptocarya litoralis | van der Werff | 4 |
| Lauraceae | Cryptocarya retusa | (Willd. ex Nees) van der Werff | 3 |
| Lauraceae | Ocotea | Aubl. | 4 |
| Lauraceae | Ocotea laevis | Kosterm. | 6 |
| Lauraceae | Potameia incisa | Kosterm. | 1 |
| Lecythidaceae | Barringtonia asiatica | (L.) Kurz | 1 |
| Lecythidaceae | Foetidia | Comm. ex Lam. | 2 |
| Lecythidaceae | Foetidia clusioides | Baker | 2 |
| Lecythidaceae | Foetidia obliqua | Blume | 12 |
| Lentibulariaceae | Utricularia | L. | 3 |
| Lentibulariaceae | Utricularia livida | E. Mey. | 1 |
| Lentibulariaceae | Utricularia subulata | L. | 2 |
| Liliaceae | Asparagus | L. | 1 |
| Liliaceae | Asparagus madecassus | H. Perrier | 1 |
| Liliaceae | Asparagus simulans | Baker | 1 |
| Liliaceae | Dianella | Lam. ex Juss. | 1 |
| Liliaceae | Dianella ensifolia | (L.) DC. | 4 |
| Liliaceae | Dracaena | Vand. ex L. | 7 |
| Liliaceae | Dracaena reflexa | Lam. | 8 |
| Liliaceae | Dracaena reflexa var. angustifolia | Baker | 1 |
| Liliaceae | Dracaena reflexa var. cernua | (Jacq.) Baker | 1 |
| Liliaceae | Dracaena reflexa var. reflexa | 1 | |
| Linaceae | Hugonia castanea | Baill. | 1 |
| Loganiaceae | Anthocleista | Afzel. ex R. Br. | 1 |
| Loganiaceae | Anthocleista longifolia | (Lam.) Boiteau | 2 |
| Loganiaceae | Buddleja | L. | 2 |
| Loganiaceae | Buddleja indica | Lam. | 5 |
| Loganiaceae | Nuxia pachyphylla | Baker | 1 |
| Loganiaceae | Strychnos spinosa | Lam. | 2 |
| Loranthaceae | Bakerella | Tiegh. | 5 |
| Loranthaceae | Bakerella ambongoensis | Balle | 1 |
| Loranthaceae | Bakerella clavata | (Desr.) Balle | 1 |
| Loranthaceae | Bakerella hoyifolia var. parkeri | (Baker) Balle | 1 |
| Malpighiaceae | Tristellateia | Thouars | 1 |
| Melastomataceae | Dichaetanthera | Endl. | 1 |
| Melastomataceae | Dichaetanthera articulata | Endl. | 3 |
| Melastomataceae | Dichaetanthera crassinodis | Baker | 1 |
| Melastomataceae | Lijndenia roborea | (Naudin) Jacq.-Fe|4l. | 5 |
| Melastomataceae | Medinilla | Gaudich. | 2 |
| Melastomataceae | Memecylon ulopterum | DC. | 2 |
| Melastomataceae | Warneckea urschii | (H. Perrier) Jacq.-Fe|4l. | 1 |
| Meliaceae | Astrotrichilia | (Harms) J.-F. Leroy ex T.D. Penn. & Styles | 1 |
| Meliaceae | Astrotrichilia voamatata | J.-F. Leroy | 4 |
| Meliaceae | Turraea | L. | 7 |
| Menispermaceae | Burasaia | Thouars | 7 |
| Menispermaceae | Burasaia congesta | Decne. | 1 |
| Menispermaceae | Burasaia madagascariensis | DC. | 9 |
| Menispermaceae | Spirospermum penduliflorum | Thouars | 1 |
| Monimiaceae | Tambourissa | Sonn. | 2 |
| Monimiaceae | Tambourissa castri-delphinii | Cavaco | 2 |
| Monimiaceae | Tambourissa purpurea | (Tul.) A. DC. | 2 |
| Monimiaceae | Tambourissa religiosa | (Tul.) A. DC. | 5 |
| Moraceae | Ficus | L. | 2 |
| Moraceae | Ficus lutea | Vahl | 3 |
| Moraceae | Ficus reflexa | Thunb. | 1 |
| Moraceae | Ficus reflexa subsp. reflexa | 3 | |
| Moraceae | Streblus dimepate | (Bureau) C.C. Berg | 1 |
| Moraceae | Streblus mauritianus | (Jacq.) Blume | 1 |
| Moraceae | Trilepisium madagascariense | Thouars ex DC. | 1 |
| Myricaceae | Myrica spathulata | Mirb. | 4 |
| Myristicaceae | Brochoneura | Warb. | 1 |
| Myristicaceae | Brochoneura acuminata | (Lam.) Warb. | 3 |
| Myrsinaceae | Embelia incumbens | Mez | 1 |
| Myrsinaceae | Monoporus | A. DC. | 3 |
| Myrsinaceae | Monoporus paludosus | A. DC. | 4 |
| Myrsinaceae | Oncostemum | A. Juss. | 4 |
| Myrsinaceae | Oncostemum fusco-pilosum | (Baker) Mez | 1 |
| Myrsinaceae | Oncostemum palmiforme | H. Perrier | 1 |
| Myrtaceae | Eugenia | L. | 2 |
| Myrtaceae | Eugenia cloiselii | H. Perrier | 7 |
| Myrtaceae | Melaleuca viridiflora | Gaertner | 1 |
| Myrtaceae | Syzygium bernieri | (Drake) Labat & G.E. Schatz | 1 |
| Myrtaceae | Syzygium emirnense | (Baker) Labat & G.E. Schatz | 13 |
| Myrtaceae | Syzygium micropodum | (Baker) Labat & G.E. Schatz | 1 |
| Nepenthaceae | Nepenthes madagascariensis | Poir. | 1 |
| Ochnaceae | Campylospermum | Tiegh. | 1 |
| Ochnaceae | Campylospermum obtusifolium | (Lam.) Tiegh. | 1 |
| Ochnaceae | Campylospermum obtusifolium var. breonii | (Tiegh.) H. Perrier | 1 |
| Ochnaceae | Ochna | L. | 3 |
| Ochnaceae | Ochnaceae fam. | DC. | 1 |
| Ochnaceae | Ouratea | Aubl. | 1 |
| Ochnaceae | Ouratea obtusifolia | (Lam.) Gilg | 1 |
| Ochnaceae | Sauvagesia erecta | L. | 2 |
| Olacaceae | Olacaceae fam. | Mirb. ex DC. | 1 |
| Olacaceae | Olax | L. | 2 |
| Olacaceae | Olax emirnensis | Baker | 6 |
| Olacaceae | Olax madagascariensis | (Thouars ex DC.) Cavaco | 1 |
| Olacaceae | Olax pseudaleia | Willd. ex Steud. | 1 |
| Olacaceae | Olax pseudoleioides | Willd. ex Steud. | 1 |