Miguel Angel Pérez-Farrera

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The cycad Ceratozamia mirandae is endemic to Chiapas, Mexico. Demographic studies were made in two of its populations in the Sepultura Biosphere Reserve under different conservation conditions; in the nucleus zone “Tres Picos” (conserved) and buffer zone “La Sombra” (disturbed and under management). Spatial distribution of C. mirandae was aggregated, showed(More)
The high diversity of vascular epiphytes in neotropical montane forest has been explained as the result of vertical stratification of the forest and specific relationships between epiphytes and their hosts trees at local scales. In a lower montane cloud forest, we studied the vertical stratification and host preferences of vascular epiphytes in a 0.0625 ha(More)
Propagation of the cycad Dioon edule aimed at sustainable management in the state of Veracruz, Mexico has been ongoing since 1990 under the supervision of staff at Francisco Javier Botanic Garden, with the principal objectives of addressing illegal trafficking and habitat destruction. Plant sales have been limited. Nevertheless these, along with the sale of(More)
Calliandra bifoliolata, a new species endemic to Chiapas, Mexico, is described and illustrated. The new species is placed within series Macrophyllae and appears to be closely related to C. brenesii and C. grandifolia, from which it differs in the shrubby habit and the peculiar venation pattern of the leaflets. Se describe e ilustra Calliandra bifoliolata,(More)
The taxonomic status of the Mexican cycad Ceratozamia brevifrons is reassessed based on information from habitat, herbaria and living collections in the Botanic Garden ‘Jardín Botánico Francisco Javier Clavijero.’ Comparison of gross morphology of C. brevifrons with that of C. mexicana as well as analysis of leaflet anatomy, including that of C. robusta,(More)
Se describe e ilustra Pseudomiltemia davidsonii, una especie nueva endémica de la Sierra Madre de Chiapas, México. Se trata de un arbusto o árbol pequeño que se caracteriza por las inflorescencias en monocasios o flores simples, de flores grandes y amarillas. Pseudomiltemia davidsonii se diferencia de P. filisepala, la única otra especie en este género, por(More)
Based on phylogenetic and morphological evidence, Tridimeris chiapensis Escobar-Castellanos & Ortiz-Rodr., sp. n. (Annonaceae), a new species from the karst forest of southern Mexico, is described and illustrated. The new species differs from Tridimeris hahniana, the only described species in the genus, in that the latter has flowers with sepals densely(More)
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