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| Flora Mesoamerica | |
|---|---|
| Title | Flora Mesoamerica |
| Caption | Botanical region covered by the project |
| Subject | Botany, Plant taxonomy |
| Language | English, Spanish |
| Publisher | Missouri Botanical Garden; Royal Botanic Gardens, Kew |
| Country | United States; United Kingdom; Mexico |
| Firstdate | 1994 |
Flora Mesoamerica is a multi-volume, collaborative floristic project documenting the vascular plants of southern Mexico, Central America, and parts of Colombia. The project unites institutional partners and taxonomic experts to produce treatments used by researchers, conservationists, and governments in planning and policy. It synthesizes specimen-based taxonomy, nomenclature, and distributional data for a region that intersects major historical and biogeographical routes.
Flora Mesoamerica brings together institutions such as the Missouri Botanical Garden, the Royal Botanic Gardens, Kew, the National Autonomous University of Mexico, and the New York Botanical Garden with contributors linked to the Smithsonian Institution, the Field Museum of Natural History, the Royal Botanic Garden Edinburgh, and regional herbaria like the Herbario Nacional de México and the Instituto de Biología (UNAM). The work integrates specimen records from collectors including Carl Linnaeus-era namesakes, 19th-century naturalists like Alexander von Humboldt, Aimé Bonpland, Alphonse de Candolle, and later botanists such as Paul C. Standley, C. H. Merritt, Perry L. Morell, and modern taxonomists associated with the International Association for Plant Taxonomy and projects tied to the Global Biodiversity Information Facility and the Convention on Biological Diversity. Editorial frameworks invoke standards used by the International Code of Nomenclature for algae, fungi, and plants and databases like Tropicos.
The area covered spans political units including Mexico (southern states like Chiapas and Oaxaca), all of Guatemala, Belize, Honduras, El Salvador, Nicaragua, Costa Rica, Panama, and adjacent parts of Colombia (Chocó and Darién). Biogeographical transitions touch the Neotropical realm, the Nearctic realm boundaries in the Trans-Mexican Volcanic Belt, and corridors such as the Isthmus of Tehuantepec and the Isthmus of Panama. Influences from floristic provinces identified by botanists like Arthur Cronquist and Armando Dugand intersect with centers of endemism described by researchers linked to the World Wildlife Fund ecoregion classifications and the IUCN global assessments.
Treatments cover vegetation ranging from lowland Chocó–Darién moist forests and Mesoamerican pine–oak forests to montane cloud forests of the Sierra Madre de Oaxaca and dry tropical forests of the Pacific dry forests. Plant communities include mangrove assemblages in Gulf of Honduras lagoons, montane paramo-like enclaves in the Sierra Madre de Chiapas, humid Caribbean littoral woodlands near Limón Province, and premontane wet forests in regions studied by ecologists from the Tropical Biology Association and the Organization for Tropical Studies. Floristic accounts treat families such as Fabaceae, Asteraceae, Orchidaceae, Bromeliaceae, Poaceae, Melastomataceae, Lauraceae, Magnoliaceae, and Cactaceae across habitats including savannas near the Yucatán Peninsula and cloud forest refugia in the Talamanca Range.
High levels of endemism occur in mountain ranges like the Sierra Madre Oriental, the Sierra Madre de Chiapas, and the Cordillera de Talamanca, and on islands such as Cozumel and Isla de la Juventud. Genera with regional radiations include representatives documented by taxonomists from the Royal Botanic Gardens, Kew and the Missouri Botanical Garden, while species-level endemics are focal points for conservation planning by agencies like the IUCN Red List and national systems such as Mexico’s CONABIO. Biogeographical work references dispersal routes tied to the Panama land bridge formation, Pleistocene refugia hypotheses discussed by researchers influenced by Alfred Russel Wallace and later syntheses in journals associated with the American Society of Plant Taxonomists.
Conservation assessments intersect with protected area networks administered by entities such as CONANP in Mexico, the Sistema Nacional de Áreas de Conservación in Costa Rica, and international programs from the United Nations Environment Programme. Threats include deforestation in frontier zones like northern Petén Department and the Darien Gap, agricultural expansion linked to commodity chains studied by scholars from World Resources Institute and Conservation International, as well as climate impacts modeled by groups like the Intergovernmental Panel on Climate Change. Restoration initiatives cite plant inventories from Flora Mesoamerica for reforestation projects funded by the World Bank and technical support from the Food and Agriculture Organization.
The region’s botanical history traces from early exploration by Christopher Columbus-era voyages through systematic collecting by Alexander von Humboldt and botanical publications of the 19th and 20th centuries by authors connected to institutions including the British Museum (Natural History), the Muséum national d'Histoire naturelle (France), and the Academia Nacional de Ciencias de Guatemala. Major floristic works influencing the project include regional monographs by Paul C. Standley, floras of Mexico by Eduardo Matuda and Jorge León, and modern syntheses like the multi-institutional Floras coordinated with the Missouri Botanical Garden and Kew. The Flora Mesoamerica volumes themselves emerged from collaborative grants and workshops involving the Andrew W. Mellon Foundation and the Gordon and Betty Moore Foundation.
Ethnobotanical knowledge documented in the floristic treatments connects to indigenous and traditional systems of the Maya peoples, Nahuas, Lenca, Ngäbe-Buglé, and other groups whose plant use records appear in ethnographies by Richard Evans Schultes and applied studies from the Smithsonian Tropical Research Institute. Economically important taxa referenced include domesticated and wild relatives cultivated in agroecosystems of Valle de Oaxaca and Veracruz such as species tied to the histories of maize cultivation, cacao managed in sites like El Salvador and Tabasco, medicinal plants recorded in compilations by the World Health Organization, and timber species logged in concession areas regulated under laws akin to those promoted by the Convention on International Trade in Endangered Species of Wild Fauna and Flora.
Category:Flora of Central America Category:Botanical literature