Collection Holdings native to Mexico Northwest:
Amaranthaceae
Subfamily Gomphrenoideae
Tribe Gomphreneae
- Alternanthera brasiliana
- West Indies to Brazil
Anacardiaceae
Subfamily Anacardioideae
- Pachycormus discolor
- Mexico (Baja California)
Apocynaceae
Subfamily Asclepiadoideae
Tribe Asclepiadeae
- Asclepias curassavica
- Trop. America
- Asclepias tuberosa
- SE. Canada, U.S.A. to N. Mexico
Subfamily Rauvolfioideae
Tribe Plumerieae
- Cascabela thevetia
- tropical America
- Plumeria rubra
- Mexico to Venezuela
Araceae
Subfamily Aroideae
Tribe Pisteae
- Pistia stratiotes
- Pantropical
Subfamily Lemnoideae
- Lemna minor
- Cosmopolitan
- Wolffia columbiana
- N & S America
Araliaceae
Subfamily Hydrocotyloideae
- Hydrocotyle verticillata
- cosmopolitan
Asparagaceae
Subfamily Agavoideae
Tribe Agaveae
- Agave americana
- eastern Mexico
- Agave americana 'Marginata'
- western Mexico
- Agave murpheyi
- Arizona, Sonora Mexico
- Agave polianthiflora
- Mexico (Chihuahua, Sonora)
- Agave schidigera
- Mexico (Chihuahua, Durango, Sinaloa, Sonora)
- Agave tequilana
- Mexico - cultivated only, no wild populations known
Asteraceae
Subfamily Asteroideae
Tribe Coreopsideae
- Dahlia sorensenii
- Mexico
Bignoniaceae
Subfamily
Tribe Bignonieae
- Dolichandra unguis-cati
- Mexico to Trop. America
- Pyrostegia venusta
- Mexico to S. Trop. America
Subfamily
Tribe Crescentieae
- Crescentia cujete
- tropical America
Subfamily
Tribe Tecomeae
- Tecoma stans
- tropical America
Bixaceae
- Bixa orellana
- Tropical America
Bromeliaceae
Subfamily Pitcairnioideae
- Pitcairnia heterophylla
- Mexico to Peru
Subfamily Tillandsioideae
- Tillandsia intermedia
- Mexico
- Tillandsia recurvata
- Trop. & Subtrop. America
- Tillandsia usneoides
- Peru
W/C
- Tillandsia usneoides
- Dominican Republic
W/C
- Tillandsia usneoides
- Trop. & Subtrop. America
- Tillandsia usneoides
- USA
W/C
Burseraceae
- Bursera fagaroides
- Mexico
- Bursera hindsiana
- Mexico
- Bursera microphylla
- Arizona, Cal. NW Mexico
- Bursera simaruba
- Mexico - Chiapas/Oaxaca
Cactaceae
Subfamily Cactoideae
Tribe Cacteae
- Ferocactus cylindraceus
- southwestern USA, northern Mexico
W/C
- Ferocactus gracilis
- Mexico: Baja California
Subfamily Cactoideae
Tribe Phyllocacteae
- Carnegiea gigantea
- Southern Arizona, southeast California and northwest Mexico
- Carnegiea gigantea
- southwestern USA, northern Mexico
W/C
- Lophocereus schottii
- Baja California
Subfamily Opuntioideae
Tribe Cylindropuntieae
- Pereskiopsis porteri
- Mexico - Baja California Sur
Subfamily Opuntioideae
Tribe Opuntieae
- Opuntia microdasys
- central and northern Mexico
- Opuntia microdasys "Monstrose"
- Mexico
- Opuntia pycnantha
- Mexico: Baja California Sur
Commelinaceae
Subfamily Commelinoideae
Tribe Tradescantieae
- Tradescantia zebrina var. zebrina
- Mexico to Colombia
Convolvulaceae
Subfamily Convolvuloideae
Tribe Convolvuleae
- Calystegia sepium
- Europe, Asia, North America
Cornaceae
- Cornus sericea
- Canada, USA, Mexico
Costaceae
- Costus pictus
- Mexico to C. America
- Costus spicatus
- Mexico, Caribbean
W/C
Crassulaceae
Subfamily Sempervivoideae
Tribe Sedeae
- Dudleya pulverulenta
- USA: MRO283, Vista, Ca
W/C
Cupressaceae
Subfamily Taxodioideae
- Taxodium huegelii
- Mexico - Rio Nazas
Cyperaceae
Subfamily Cyperoideae
Tribe Cypereae
- Cyperus brevifolia
- Trop. & Subtrop.
Dryopteridaceae
- Polystichum munitum
- western USA, Canada
W/C
Equisetaceae
- Equisetum hyemale
- eastern North America
- Equisetum myriochaetum
- Mexico, Mesoamerica
Euphorbiaceae
Subfamily Crotonoideae
Tribe Aleuritideae
- Garcia nutans
- Colombia
Subfamily Crotonoideae
Tribe Jatropheae
- Jatropha mcvaughii
- Mexico (Sinaloa to Jalisco)
Fabaceae
Subfamily Faboideae
Tribe Amorpheae
- Amorpha fruticosa
- originally from se USA, now widespread across North America
Subfamily Mimosoideae
Tribe Acacieae
- Vachellia farnesiana
- widely naturalized, but probably native to S. USA and Mexico
Subfamily Mimosoideae
Tribe Ingeae
- Calliandra californica
- Mexico: Baja California
Subfamily Mimosoideae
Tribe Mimoseae
- Mimosa pudica
- widespread in central & south America, naturalized elsewhere
Fagaceae
Subfamily Quercoideae
- Quercus gambelii
- WC. & SC. U.S.A. to N. Mexico
Fouquieriaceae
- Fouquieria columnaris
- Baja California
Gelsemiaceae
- Gelsemium sempervirens
- Southeastern N. America - Florida to Texas, N to Arkansas & W. Virginia
Juncaginaceae
- Triglochin maritima
- Temp. Northern Hemisphere, S. South America
W/C
Lamiaceae
Subfamily Nepetoideae
Tribe Mentheae
- Salvia microphylla
- Arizona to Guatemala
Subfamily Scutellarioideae
- Scutellaria tuberosa
- USA and Mexico, Pacific Coast
W/C
Lauraceae
- Persea americana
- southern Mexico
- Umbellularia californica
- Oregon & California
Lentibulariaceae
- Pinguicula moranensis
- Mexico
- Pinguicula moranensis White Flower
- Mexico, Central America
- Utricularia gibba
- Trop. & Subtrop. Old World, America
- Utricularia livida
- South Africa and Mexico
- Utricularia vulgaris subsp. macrorhiza
- Siberia to Russian Far East and N. China, N. Japan, N. America
W/C
Lythraceae
Subfamily Lythroideae
Tribe Nesaeeae
- Heimia salicifolia
- tropical America
Malpighiaceae
- Malpighia glabra
- Texas south to South America
Malvaceae
Subfamily Bombacoideae
Tribe Adansonieae
- Ceiba acuminata
- Mexico
- Ceiba pentandra
- tropical America; also found in western tropical Africa
- Pachira aquatica
- Mexico to S. Trop. America
- Pseudobombax ellipticum
- eastern Mexico to Guatemala
Subfamily Malvoideae
Tribe Malveae
- Malvaviscus arboreus var. mexicanus
- Mexico
Marantaceae
- Maranta arundinacea
- Mexico to Trop. America
W/C
Martyniaceae
- Proboscidea parviflora
- southwestern USA, northern Mexico
Moraceae
Subfamily
Tribe Dorstenieae
- Dorstenia contrajerva
- central and south America
Myricaceae
- Morella cerifera
- southeastern US to Central America
Myrtaceae
Subfamily Myrtoideae
Tribe Myrteae
- Psidium guajava
- Trop. & Subtrop. America
Orchidaceae
Subfamily Epidendroideae
Tribe Cymbidieae
- Maxillaria variabilis
- Mexico to NW. Venezuela
Subfamily Epidendroideae
Tribe Epidendreae
- Brassavola cucullata
- Mexico to N. South America, Caribbean
- Encyclia unidentified
- Mexico
- Stelis quadrifida
- Mexico to N. Venezuela, Greater Antilles
Passifloraceae
Subfamily Passifloroideae
Tribe Passifloreae
- Passiflora coriacea
- Mexico to Bolivia
Phytolaccaceae
- Rivina humilis
- S. US & trop America
Pinaceae
Subfamily Pinoideae
- Pinus engelmannii
- SE. Arizona to SW. New Mexico and N. Mexico
- Pinus ponderosa
- SW. Canada to N. Mexico
Piperaceae
Subfamily Piperoideae
- Peperomia obtusifolia
- tropical America and S. Florida
Poaceae
Subfamily Panicoideae
Tribe Paniceae
- Oplismenus hirtellus 'Variegatus'
- widely distributed in tropics
Polygonaceae
Subfamily Eriogonoideae
- Antigonon leptopus
- Mexico & central America
Pteridaceae
Subfamily Cheilanthoideae
- Cheilanthes eatonii
- USA and Mexico
Subfamily Pteridoideae
- Pteris cretica
- Europe, Asia, and Africa
Rhizophoraceae
Subfamily
Tribe Rhizophoreae
- Rhizophora mangle
- tropical America
Rosaceae
Subfamily Amygdaloideae
Tribe Maleae
- Heteromeles arbutifolia
- Oregon & California, USA
W/C
Rubiaceae
Subfamily Cinchonoideae
Tribe Cephalantheae
- Cephalanthus occidentalis Sugar Shack
- E. Canada to C. America, Cuba
Subfamily Cinchonoideae
Tribe Guettardeae
- Arachnothryx leucophylla
- Mexico
Subfamily Rubioideae
Tribe Coussareeae
- Coccocypselum hirsutum
- tropical America
Santalaceae
- Phoradendron leucarpum
- southern US & Mexico
W/C
Sapotaceae
Subfamily Sapotoideae
Tribe Sapoteae
- Manilkara zapota
- Mexico to Colombia
- Manilkara zapota
- Mexico to Colombia
Saururaceae
- Anemopsis californica
- W. & C. U.S.A. to Mexico
W/C
Talinaceae
- Talinum paniculatum
- southern US toSouth America
Urticaceae
Subfamily
Tribe Urticeae
- Urera baccifera
- American tropics and into the subtropics
- Urtica dioica
- widely naturalized in temperate climates
Verbenaceae
Subfamily
Tribe Lantaneae
- Aloysia gratissima
- Arizona to Texas, Mexico, Brazil to N. Argentina
W/C
- Lantana camara
- Mexico to Trop. America
Vitaceae
Subfamily Vitoideae
- Cissus tiliacea
- Mexico
- Cissus verticillata
- northern South America
Zygophyllaceae
Subfamily Larreoideae
- Larrea tridentata
- southwestern USA and Mexico
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 02:08:26 -0400