Collection Holdings native to Guyana:
Acanthaceae
Subfamily Acanthoideae
Tribe Acantheae
- Aphelandra aurantiaca
- Mexico to northern South America
Subfamily Acanthoideae
Tribe Justicieae
- Odontonema schomburgkianum
- Guyana
Amaranthaceae
Subfamily Gomphrenoideae
Tribe Gomphreneae
- Alternanthera brasiliana
- West Indies to Brazil
Anacardiaceae
Subfamily Anacardioideae
- Anacardium occidentale
- northeastern Brazil
Apocynaceae
Subfamily Asclepiadoideae
Tribe Asclepiadeae
- Asclepias curassavica
- Trop. America
Subfamily Rauvolfioideae
Tribe Plumerieae
- Allamanda cathartica
- South America
- Cascabela thevetia
- tropical America
Araceae
Subfamily Aroideae
Tribe Caladieae
- Syngonium podophyllum
- Mexico to Trop. America
Subfamily Aroideae
Tribe Dieffenbachieae
- Dieffenbachia amoena cv.
- tropical Americas
Subfamily Aroideae
Tribe Philodendreae
- Philodendron ornatum
- Trinidad-Tobago to S. Trop. America
- Philodendron pedatum
- S. Trop. America
Subfamily Aroideae
Tribe Pisteae
- Pistia stratiotes
- Pantropical
Subfamily Monsteroideae
Tribe Monstereae
- Monstera adansonii
- S. Mexico to Trop. America
Subfamily Pothoideae
Tribe Anthurieae
- Anthurium bakeri
- Mexico (Chiapas) to Guyana and Ecuador
- Anthurium gracile
- Brazil: Bahia
- Anthurium scandens
- Mexico to Trop. America
Asparagaceae
Subfamily Agavoideae
Tribe Agaveae
- Furcraea foetida
- Costa Rica to N. South America and S. Caribbean
Asteraceae
Subfamily Asteroideae
Tribe Heliantheae
- Sphagneticola trilobata
- West Indies, central America and northern South America
Subfamily Asteroideae
Tribe Senecioneae
- Pseudogynoxys chenopodioides
- Mexico
Bignoniaceae
Subfamily
Tribe Bignonieae
- Dolichandra unguis-cati
- Mexico to Trop. America
- Pyrostegia venusta
- Mexico to S. Trop. America
Bixaceae
- Bixa orellana
- Tropical America
Bromeliaceae
Subfamily Brochinioideae
- Brocchinia reducta
- Venezuela (Bolívar) to Guyana & Brazil (Roraima)
Subfamily Bromelioideae
- Ananas comosus
- Costa Rica to S. Trop. America
Subfamily Tillandsioideae
- Tillandsia bulbosa
- Trop. America
- Tillandsia tenuifolia Emerald Forest
- Caribbean to N. Argentina
- Tillandsia usneoides
- Trop. & Subtrop. America
- Tillandsia usneoides
- USA
W/C
- Tillandsia usneoides
- Peru
W/C
- Tillandsia usneoides
- Dominican Republic
W/C
- Vriesea splendens
- Trinidad-Tobago to N. South America
Burseraceae
- Bursera simaruba
- Mexico - Chiapas/Oaxaca
Cactaceae
Subfamily Cactoideae
Tribe Phyllocacteae
- Epiphyllum phyllanthus
- central & south America
W/C
Cannaceae
- Canna indica
- S. America. W. Indies.
- Canna indica
- Trop. & Subtrop. America
W/C
Clusiaceae
Subfamily
Tribe Clusieae
- Clusia hammeliana
- northern South America
W/C
- Clusia rosea
- Caribbean region
Convolvulaceae
Subfamily Convolvuloideae
Tribe Cresseae
- Evolvulus glomeratus
- Brazil, Paraguay
Costaceae
- Costus aff. guanaiensis
- S. Mexico to Trop. America
- Costus scaber
- Mexico to Trop. America
- Dimerocostus strobilaceus
- C. & S. Trop. America
Cyperaceae
Subfamily Cyperoideae
Tribe Cypereae
- Cyperus brevifolia
- Trop. & Subtrop.
Dioscoreaceae
- Dioscorea dodecaneura
- S. Trop. America
Droseraceae
- Drosera capillaris
- Liberty County, Florida, USA
W/C
Euphorbiaceae
Subfamily Crotonoideae
Tribe Jatropheae
- Jatropha curcas
- Mexico to Trop. America
Fabaceae
Subfamily Faboideae
Tribe Phaseoleae
- Rhynchosia phaseoloides
- South America
Subfamily Mimosoideae
Tribe Acacieae
- Vachellia farnesiana
- widely naturalized, but probably native to S. USA and Mexico
Subfamily Mimosoideae
Tribe Ingeae
- Inga edulis
- central and south America
Subfamily Mimosoideae
Tribe Mimoseae
- Mimosa pudica
- widespread in central & south America, naturalized elsewhere
Gesneriaceae
Subfamily Gesneroideae
Tribe Gloxinieae
- Kohleria hirsuta
- Colombia
Gnetaceae
- Gnetum urens
- southern tropical America
Haemodoraceae
Subfamily Haemodoroideae
- Xiphidium caeruleum
- S. Mexico to Trop. America
Heliconiaceae
- Heliconia stricta cv. Dwarf Jamaican
- southern Tropical America
Lecythidaceae
Subfamily Lecythidoideae
- Couroupita guianensis
- C. & S. Trop. America
Lentibulariaceae
- Utricularia gibba
- Trop. & Subtrop. Old World, America
- Utricularia humboldtii - Brazil, Guyana, Venezuela
Malvaceae
Subfamily Bombacoideae
Tribe Adansonieae
- Ceiba pentandra
- tropical America; also found in western tropical Africa
- Pachira aquatica
- Mexico to S. Trop. America
Marantaceae
- Calathea aff. micans
- Mexico to S. Trop. America
- Calathea variegata
- Trinidad to S. Trop. America
W/C
- Maranta arundinacea
- Mexico to Trop. America
W/C
- Thalia geniculata
- Trop. Africa, SE. U.S.A. to Trop. America
Menispermaceae
Subfamily Menispermoideae
Tribe Tiliacoreae
- Chondrodendron tomentosum
- Brazil, Bolivia, Peru, Guyana, Ecuador, Panama and Colombia
Metaxyaceae
- Metaxya rostrata
- Mexico to South America
W/C
Orchidaceae
Subfamily Epidendroideae
Tribe Cymbidieae
- Mormolyca rufescens
- tropical America
- Trigonidium egertonianum
- Mexico to Columbia & Ecuador
- Stanhopea grandiflora
- tropical South America
Subfamily Epidendroideae
Tribe Epidendreae
- Brassavola cucullata
- Mexico to N. South America, Caribbean
- Brassavola nodosa
- Mexico to Trop. America
- Caularthron bicornutum
- northeastern South America
- Epidendrum rigidum
- I. Socorro, S. Florida, Trop. America
- Epidendrum schlecterianum
- Trinidad and Tobago, S. Mexico to S. Trop. America
- Specklinia grobyi
- S. Mexico to S. Trop. America
- Stelis argentata
- Mexico to S. Trop. America
- Stelis argentata
- S. Mexico to S. Trop. America
Subfamily Orchidoideae
Tribe Cranchideae
Subfamily Vanilloideae
Tribe Vanilleae
- Vanilla pompona
- S. Mexico to S. Trop. America
Passifloraceae
Subfamily Passifloroideae
Tribe Passifloreae
- Passiflora coriacea
- Mexico to Bolivia
Phytolaccaceae
- Rivina humilis
- S. US & trop America
Piperaceae
Subfamily Piperoideae
- Peperomia obtusifolia
- tropical America and S. Florida
- Piper arboreum
- South America
Poaceae
Subfamily Panicoideae
Tribe Paniceae
- Oplismenus hirtellus 'Variegatus'
- widely distributed in tropics
- Stenotaphrum secundatum
- SE. U.S.A. to E. & S. South America, W. Trop. Africa to Chad
Pontederiaceae
- Eichhornia crassipes
- Amazon basin; widespread invasive elsewhere
Pteridaceae
Subfamily Vittarioideae
- Adiantum macrophyllum
- tropical Central and South America, Caribbean
Rapateaceae
Subfamily Saxofridericioideae
Tribe Saxofridericieae
- Stegolepis ferruginea
- Guyana
- Stegolepis ferruginea
- Guyana
W/C
Rhizophoraceae
Subfamily
Tribe Rhizophoreae
- Rhizophora mangle
- tropical America
Rubiaceae
Subfamily Ixoroideae
Tribe Gardenieae
- Rosenbergiodendron longiflorum
- S. Trop. America
Subfamily Ixoroideae
Tribe Posoquerieae
- Posoqueria longiflora
- S. Trop. America
Subfamily Rubioideae
Tribe Coussareeae
- Coccocypselum cordifolium
- Costa Rica
- Coccocypselum hirsutum
- tropical America
Salviniaceae
- Azolla caroliniana
- Mass to Wisc., s to W. Indies
- Salvinia auriculata
- Tropical America
Talinaceae
- Talinum paniculatum
- southern US toSouth America
Urticaceae
Subfamily
Tribe Cecropieae
- Cecropia peltata
- Carribean, Tropical America
Subfamily
Tribe Urticeae
- Urera baccifera
- American tropics and into the subtropics
Verbenaceae
Subfamily
Tribe Lantaneae
- Lantana camara
- Mexico to Trop. America
Subfamily
Tribe Petreae
- Petrea volubilis
- Florida, Mexico to Trop. America
Vitaceae
Subfamily Vitoideae
- Cissus alata
- Mexico to Columbia, Brazil
- Cissus verticillata
- northern South America
W/C = Wild Collected
= indicates flowering in past 14 days
= images available for this accession
= map available for this accession
= accession added within past 90 days
data regenerated on Sat, 26 Jul 2025 02:08:17 -0400