- Adelobotrys adscendens, Davya adscendens;Adelobotrys guianensis;Davya guianensis;Sarmentaria decora;Melastoma adscendens
- Aegiphila integrifolia, Entireleaf spiritweed;Aegiphila cowanii;Aegiphila guianensis;Aegiphila integrifolia var guianensis;Manabea arborescens
- Ardisia guianensis, Icacorea amanuensis;Icacorea acuminifolia;Ardisia acuminifolia;Icacorea longicaudata;Ardisia longicaudata;Ardisia cookii;Ardisia acuminata;Ardisia amanuensis;Tinus guianensis;Icacorea guianensis;Icacorea acuminata;Icacorea cookii;Canelito
- Bejaria sprucei, Bejaria schomburgkiana;Bejaria puberula;Bejaria guianensis;Bejaria variabilis
- Bomarea edulis, Bomarea guianensis;Alstroemeria edulis
- Brachystele guyanensis, Goodyera guyanensis;Spiranthes guianensis
- Brosimum guianense, Guiana brosimum;Brosimum rotundatum;Brosimum discolor;Brosimum aubletii;Brosimum velutinum;Piratinera velutina;Brosimum palmarum;Brosimum lemeei;Piratinera guianensis;Piratinera lemeei;Piratinera scabridula;Alicastrum guianense;Berba
- Brosimum rubescens, Parinari guyanensis;Piratinera lancifera;Piratinera paraensis;Brosimum paraense;Brosimum lanciferum;Ferolia guianensis;Brosimum angustifolium;Brosimum caloxylon
- Buchenavia guianensis, Terminalia pamea;Pamea guianensis
- Casearia guianensis, Guyanese wild coffee;Athenaea guianensis;Casearia arguta;Iroucana guianensis;Casearia spinescens;Coloraito;Palo de la cruz;Corta lengua
- Casearia pitumba, Samyda pitumba;Casearia macrophylla;Pitumba guianensis
- Cassia cowanii_guianensis, Cassia leiandra var guianensis
- Cathedra acuminata, Cathedra guianensis;Diplocrater acuminatus;Cathedra crassifolia;Cathedra caurensis
- Cedrela odorata, Spanish cedar;Cedrela guianensis;Surenus brownii;Cedrela brownii;Cedro;Cedro amargo;Cedro cebolla
- Ceratolejeunea guianensis, Lejeunea guianensis
- Chionanthus guianensis, Linociera tetrandra;Mayepea guianensis;Chionanthus tetrandra;Chionanthus mayepea
- Chrysophyllum pomiferum, Pouteria pomifera;Achrouteria pomifera;Planchonella guianensis
- Cienfuegosia affinis, Cienfuegosia phlomidifolia;Fugosia campestris;Fugosia guianensis;Fugosia retusa;Fugosia phlomidifolia;Hibiscus affinis
- Clarisia ilicifolia, Aliteria sagotii;Clarisia ilicifolia var guianensis;Clarisia ilicifolia var cuyunensis;Clarisia strepitans var cuyunensis;Exoecaria ilicifolia;Acanthinophyllum ilicifolia;Acanthinophyllum strepitans;Clarisia spruceana;Acanthinophyllum spruceana;Clarisia strepitans;Clarisia strepitans var guianensis
- Clitoria guianensis, Neurocarpum guianense;Clitoria guyanensis;Crotalaria guianensis
- Cnestidium guianense, Bernardinia guianensis
- Coccocypselum guianense, Tontanea guianensis
- Coccoloba marginata, Coccoloba guianensis
- Connarus lambertii, Omphalobium lambertii;Connarus guianensis;Connarus sprucei;Connarus schomburgkii
- Cordia curassavica, Varronia curassavica Jacq;Varronia guianensis;Cordia macrostachya;Varronia macrostachya;Varronia curassavica;Black sage;Cordia cylindrostachya;Black Sage
- Cordia fallax, Cordia guianensis;Cordia gujanensis
- Cuphea anagalloidea, Cuphea mimuloides var guianensis
- Cyclodium guianense, Stigmatopteris sancti-gabrieli;Dryopteris guianensis;Dryopteris sancti-gabrieli;Aspidium guianense;Stigmatopteris guianensis;Polypodium sancti-gabrieli
- Cynanchum blandum, Roulinia blanda;Telminostelma corymbosum;Rouliniella guianensis
- Cynometra marginata, Cynometra marginata var guianensis;Cynometra marginata var laevis
- Cyperus guianensis, Mariscus guianensis
- Derris pterocarpus, Lonchocarpus pterocarpus;Deguelia scandens;Derris scandens;Derris guyanensis;Derris guianensis;Lonchocarpus scandens
- Dialium guianense, Arouna guianensis;Arouna divaricata;Dialium divaricatum;Tamarindo de montaa;Pericote
- Diospyros guianensis, Paralea guianensis;Diospyros paralea
- Diospyros ropourea, Ropourea guianensis
- Diplacrum guianense, Diplacrum laevissimum;Pteroscleria guianensis;Diplacrum notopterum
- Diplotropis purpurea, Bowdichia guianensis;Tachigali purpurea;Dibrachion guianense;Diplotropis guianensis
- Doliocarpus guianensis, Soramia guianensis
- Doliocarpus multiflorus, Doliocarpus guianensis
- Dulacia guianensis, Liriosma guianensis;Olax schomburgkii
- Etaballia dubia, Etaballia guianensis;Hecastophyllum dubium
- Eugenia flavescens, Eugenia flavescens var guianensis
- Euphronia guianensis, Lightia guianensis
- Euplassa pinnata, Adenostephanus guianensis;Euplassa meridionalis;Roupala pinnata
- Faramea guianensis, Evea guianensis
- Guapira eggersiana, Pisonia pacurero;Guapira guianensis;Pisonia eggersiana;Pisonia glabra;Pisonia guianensis;Pisonia nitida;Pisonia olfersiana;Torrubia laurina;Guapira glabra
- Guatteria guianensis, Aberemoa guianensis
- Gurania bignoniacea, Anguria guianensis;Gurania breviflora;Gurania cissoides;Gurania guianensis;Anguria cissoides;Anguria bignoniacea
- Gustavia augusta, Gustavia tetrapetala;Japarandiba augusta;Pirigara tetrapetala;Gustavia urceolata;Gustavia augusta var guianensis;Gustavia augusta var verrucosa;Grias tetrapetala;Grias aubletiana
- Henriettea ramiflora, Henriettea trinervia;Henriettea surinamensis;Henriettella ramiflora;Henriettea succosa var guianensis;Melastoma ramiflora
- Hirtella racemosa, Tachibota guianensis;Salmasia racemosa;Salmasia guianensis;Hirtella violacea;Hirtella americana;Hirtella scandens;Hirtella nemorosa;Hirtella strigulosa;Gasparillo;Camaroncillo;Garrapato
- Homalium guianense, Homalium puberulum;Homalium densiflorum;Napimoga guianensis;Homalium napimoga;Racoubea guianensis;Homalium racoubea
- Humiria balsamifera_guianensis, Humirium surinamense;Humiria cassiquiari;Humirium guianense;Humiria floribunda var guianensis
- Hygrophila costata, Hygrophila Lake McDonald Bean 6770 sensu Barker, RM 1996;Yerba de hicotea;Hygrophila guianensis
- Hymenocallis tubiflora, Pancratium guianense;Hymenocallis guianensis;Hymenocallis moritziana;Pancratium petiolatum;Hymenocallis petiolata;Pancratium tubiflorum;Pancratium undulatum;Hymenocallis undulata;Hymenocallis guianensis var undulata
- Ilex guianensis, Maconcona;Macoucoua guianensis;Ilex macoucoua;Ilex acuminata;Ilex celastroides;Ilex cumanensis
- Isidrogalvia schomburgkiana, Tofieldia schomburgkiana;Isidrogalvia guianensis;Tofieldia guianensis
- Jacquemontia guyanensis, Convolvulus guyanensis;Ipomoea guyanensis;Convolvulus guianensis
- Justicia guianensis, Jacobinia venezuelica;Dianthera guianensis
- Lantana camara, Lantana;Lantana armata var guianensis;Bunga tahi ayam;Red Sage;Big sage;Ma ying dan
- Licania guianensis, Moquilea guianensis
- Lindmania guianensis, Lindmania paludosa;Lindmania geniculata;Lindmania dyckioides;MaybeCottendorfia dyckioides;Lindmania geniculata var minor;MaybeCottendorfia geniculata var minor;Cottendorfia guianensis var vestita;Anoplophytum guianensis;Cottendorfia paludosa;Cottendorfia geniculata;Cottendorfia guianensis
- Lomagramma guianensis, Pteridophyta;Guiana fern;Leptochilus guianensis;Polypodium guianense;Bolbitis guianensis
| - Lycianthes pauciflora, Lycianthes guianensis;Solanum guianense
- Macrolobium guianense, Outea guianensis;Vouapa guyanensis
- Malouetia tamaquarina, Malouetia furfuracea;Malouetia guianensis;Malouetia obtusiloba;Cameraria tamaquarina;Malouetia odorata
- Maquira guianensis, Olmedia guianensis;Olmedia maquira;Perebea laurifolia;Maquira costaricana;Perebea costaricana
- Maytenus guyanensis, Maytenus guianensis;Maytenus guianensis fma crenulata
- Miconia mirabilis, Camasey cuatrocanales;Fothergilla mirabilis;Melastoma tamonea;Diplochita fothergilla;Fothergilla guianensis;Diplochita florida;Miconia fothergilla;Miconia florida;Miconia guianensis;Chitonia fothergilla;Melastoma fothergilla;Tamonea guianensis
- Micropholis venulosa, Sideroxylon calophylloides;Pouteria venulosa;Sideroxylon guianense;Micropholis calophylloides;Meioluma guianensis;Sideroxylon venulosum;Platyluma calophylloides;Micropholis mucronata
- Microstachys corniculata, Hato tejas;Sebastiania corniculata;Sebastiania micrantha;Sebastiania corniculata var guyanensis;Tragia corniculata;Microstachys guianensis;Tragiopsis fruticulosa
- Mora excelsa, Mora guianensis;Dimorphandra excelsa;Dimorphandra mora;Dimorphandra guianensis
- Myrcia guianensis, Myrcia obtusa;Aulomyrcia roraimensis;Myrcia roraimae;Aulomyrcia roraimae;Aulomyrcia obtusa;Eugenia guianensis
- Myrsine guianensis, Rapanea ovalifolia;Myrsine ovalifolia;Rapanea oblonga;Rapanea guianensis
- Naucleopsis guianensis, Ogcodeia guianensis
- Nectandra hihua, Shinglewood;Nectandra leucantha var attenuata;Nectandra willdenoviana;Laurus hihua;Nectandra leucantha var guianensis;Nectandra lucida;Nectandra bredemeyeriana;Nectandra schomburgkii
- Nectandra sanguinea, Nectandra guianensis
- Ocotea guianensis, Oreodaphne guianensis
- Pacouria guianensis, Landolphia guyanensis;Willughbeja scandans;Willughbeja guianensis
- Paepalanthus polytrichoides, Paepalanthus villipes;Syngonanthus guianensis;Paepalanthus vigiensis;Paepalanthus viscosus
- Palicourea guianensis, Showy cappel;Palicourea guianensis var tetramera;Psychotria guianensis;Palicourea guianensis var trimera;Recaito
- Palmorchis guianensis, Neobartlettia guianensis
- Patima guianensis, Sabicea guianensis
- Phyllanthus caroliniensis_guianensis, Phyllanthus guianensis;Phyllanthus schomburgkianus
- Picramnia guianensis, Picramnia tariri;Tariri guianensis
- Piper guianense, Artanthe guianensis
- Piper humistratum, Quebitea guianensis
- Pouteria guianensis, Pouteria demerarae;Oxythece guianensis;Labatia pedunculata;Pouteria pedunculata;Pouteria obidensis
- Protium guianense, Protium hostmannii;Elaphrium gujanense;Icica hostmanni;Icica guianensis;Icica viridiflora;Protium heptaphyllum var puberulum;Amyris guyanensis;Tingulonga hostmanni;Tingulonga guianensis
- Psychotria ligularis_carapichea, Tapogomea carapichea;Cephaelis guianensis;Carapichea guianensis
- Psychotria mapourioides, Psychotria mapouria;Psychotria mapuria;Mapouria guianensis
- Psychotria moroidea, Chytropsia guianensis
- Rhynchospora amazonica_guianensis, Rhynchospora amazonica var guianensis
- Rhynchospora trispicata, Rhynchospora guianensis;Ephippiorhynchium trispicatum
- Rhytachne guianensis, Manisuris guianensis
- Rinorea pubiflora, Rinorea martini;Rinorea passoura;Alsodeia pubiflora;Conohoria passoura;Passoura guianensis;Alsodeia martini
- Rinorea riana, Conohoria riana;Alsodeia prunifolia;Riana guianensis;Rinorea riana;Alsodeia riana
- Sagittaria guayanensis, Guyanese arrowhead;Echinodorus guianensis;Lophotocarpus guayanensis;Guayanan Arrowhead
- Salacia elliptica, Raddia lacunosa;Salacia guianensis;Salacia lacunosa;Anthodus ellipticus;Salacia elliptica var apiculata;Raddia elliptica
- Salacia multiflora, Thermophila rugulosa;Salacia obovata;Salacia obovata var guianensis;Thermophila emarginata;Thermophila obovata;Salacia pittieriana;Salacia rugulosa;Hippocratea obovata;Hippocratea multiflora;Hippocratea emarginata;Hippocratea obovata var guianense;Salacia crassifolia
- Sauvagesia guianensis, Leitgebia gleasoniana;Sauvagesia marahuacensis;Sauvagesia guianensis subsp gleasoniana;Sauvagesia guianensis subsp sipapoensis;Sauvagesia guianensis subsp guaiquinimensis;Leitgebia guianensis
- Sciaphila albescens, Soridium guianense;Sciaphila guianensis
- Selaginella falcata, Selaginella guianensis
- Sidastrum quinquenervium, Sida guianensis;Sida quinquenervia
- Simaba guianensis, Simaba cuspidata;Quassia cuspidata;Aruba guianensis;Quassia guianensis
- Siparuna guianensis, Citriosma guianensis;Pasmo;Pasmo hediondo;Siparurna panamensis
- Sloanea guianensis, Ablania guianensis;Sloanea breviseta
- Spigelia guianensis, Spigelia humilis;Montira guianensis
- Strychnos guianensis, Rouhamon guianensis;Strychnos rouhamon;Strychnos lanceolata;Strychnos curare;Lasiostoma curare
- Stryphnodendron guianense, Piptadenia guianensis;Folianthera guianensis;Acacia guianensis;Mimosa guianensis
- Swartzia guianensis, Tounatea guianensis;Swartzia alata
- Symplocos guianensis, Ciponima guianensis
- Terminalia dichotoma, Tanibouca guianensis
- Theobroma cacao_sphaerocarpum, Theobroma guianense;Cacao guianensis
- Thrasya scandens, Paspalum scandens;Thrasya guianensis
- Thyrsodium guianense, Garuga guianensis
- Tovomita brevistaminea, Tovomita guianensis;Tovomita jenmanii
- Trattinnickia burserifolia, Trattinnickia burserifolia subsp quinquejuga;Trattinnickia schomburgkii;Trattinnickia guianensis;Trattinnickia subchoripetala;Trattinnickia burserifolia subsp obtusa
- Trichilia rubra, Trichilia guianensis
- Trigynaea duckei, Trigynaea guianensis;Hornschuchia duckei;Hornschuchia guianensis
- Uncaria guianensis, Ourouparia guianensis
- Utricularia foliosa, Leafy bladderwort;Utricularia guianensis;Utricularia oligosperma;Leafy Bladderwort;Utricularia mixta Barnhart
- Vantanea guianensis, Lemniscia floribunda;Lemniscia guianensis
- Vismia guianensis, Vismia guianensis var guianensis;Vismia ferruginea;Vismia caparosa;Vismia baccifera subsp ferruginea;Vismia acuminata;Vismia guianensis var acuminata;Caopia acuminata;Caopia guianensis;Hypericum acuminatum;Hypericum guianense
- Xyris jupicai, Richards yelloweyed grass;Xyris surinamensis;Xyris guianensis;Xyris communis;Xyris acuminata;Richards Yellow-Eyed-Grass
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