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Search Results
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Journal article
The rise and fall of Neotropical biodiversity.
Antonelli, Alexandre
Conservation, Evolution, and Extinction
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Journal article
Densities, plant sizes, and spatial distributions of six wild populations of Lophophora williamsii (Cactaceae) in Texas, U.S.A.
Lophophora williamsii (Cactaceae) is thought to be threatened by habitat loss and overharvesting. However, basic demographic and habitat information to evaluate its conservation status have been lacking. We surveyed six wild populations of this species, three in South Texas and three in West Texas, to begin to address this gap.... -
Journal article
Detecting Introgressed Populations in the Iberian Endemic Centaurea podospermifolia through Genome Size.
Based on results from previous studies, populations of the Iberian endemic Centaurea podospermifolia north of the Ebro River are considered genetically pure, while those southward are introgressed, with genetic input from C. cephalariifolia. This phenomenon is particularly relevant, especially given both the endangered and protected status for the species, which... -
Journal article
Quantifying and mapping angiosperm endemism in the Araucaria Forest.
Neotropical forests are home to exceptional biodiversity, especially along the eastern coast of tropical and subtropical South America. In the Atlantic Forest, the subtropical Araucaria Forest harbours both tropical and temperate plant lineages. Is the presence of Araucaria angustifolia the only attribute characterizing the south-eastern South American Araucaria Forest, or... -
Journal article
Rediscovering Rhipsalis hoelleri (Cactaceae), a Critically Endangered species from Brazilian Atlantic Forest.
Cardoso, Weverson Cavalcante ; Negrão, Raquel ; Dutra, Valquiria Ferreira ; Sakuragui, Cassia Mônica
Distribution, Eudicots, Rhipsalis hoelleri , Flora, Rhipsalideae, Eastern Brazil, and Conservation
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Journal article
A revision of the genus Ruagea (Meliaceae: Melioideae).
The neotropical genus H.Karst. is revised. Fifteen species are recognised, including three T.D.Penn., T.D.Penn. and T.D.Penn. which are described as new to science. A key to the species is presented, along with information on the morphology, distribution, ecology, conservation assessments, local names, uses and field characters. All species are mapped...Pennington, Terence D. ; Barker, Amy ; Rojas-Andres, Blanca M.
Distribution, Conservation, Morphology, Montane forest, Andes, and Trees
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Book
Frailejones en peligro.
Los frailejones (subtribu Espeletiinae, familia Asteraceae) son posiblemente las más importantes y carismáticas plantas del ecosistema de páramo. Con 90 especies reconocidas, 78 de las cuales son endémicas, Colombia tiene un papel fundamental en su conservación. La mayoría de las especies de frailejones tienen distribuciones restringidas a uno o unos...Diazgranados, Mauricio ; Castellanos Castro, Carolina
Conservation, Endangered species, High mountain, Flora de Colombia, Colombia, Conservación, Frailejones, Especies amenazadas, and Alta montaña
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Journal article
Biogeography, phylogenetic relationships and morphological analyses of the South American genus Mutisia L.f. (Asteraceae) shows early connections of two disjunct biodiversity hotspots
The Andes is recognized as one of the most biodiverse places on Earth, promoting in its uplift process a series of recent rapid diversification events in different biotic groups like birds, mammals, insects and vascular plants. The uplift of the Andes during the Cenozoic acted as a barrier for many...