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Print version ISSN 1405-2768


HERRERA ARRIETA, Yolanda  and  CORTES ORTIZ, Armando. Diversity of the grasses from Durango, Mexico. Polibotánica [online]. 2009, n.28, pp.49-68. ISSN 1405-2768.

Durango is a state located at the north-central part of Mexico, because of its geographical position it has a rugose topography, a variable climate and geology which confers to it a relatively high floristic richness compared to other Mexican states. The presence of varied grasses in this area has permitted to it being a cattle production in the last century, Herrera (2001) reported 97 genera and 338 species of grasses from Durango, that compared with other entities results to be surpassed only for 5 Mexican states: Veracruz, Jalisco, Puebla, Oaxaca and Sinaloa based on the number of species (Dávila y col., 2006). The distribution of grasses growing in response to the climatic conditions of the State is shown, as well as other species which are interesting because of the condition to subsist: 1) endemic species [Chaboissaea subbiflora, Reederochloa eludens, Muhlenbergia michisensis] and rare species [Aristida gibbosa, Festuca breviglumis, Rhipidocladum racemiflorum]; 2) species adapted to saline, alcaline or gypsofile soils [Bouteloua ramosa, Distichlis spicata, Pleuraphis mutica, Reederochloa eludens, Sporobolus airoides]; 3) introduced species to be cultivated and escaped from cultivars [Cenchrus ciliaris, Cynodon dactylon, Chloris gayana, Eleusine multiflora, Lolium multiflorum, Melinis repens, Sorghum halepense, Urochloa máxima]; 4) species which are aquatic or subaquatic [Echinochloa crusgalli, Glyceria striata, Leersia hexandra, Leptochloa fusca, Paspalum pubiflorum].

Keywords : Floristic diversity; Gramineae; grasses; Durango; Mexico.

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