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Botanical Sciences

versión On-line ISSN 2007-4476versión impresa ISSN 2007-4298

Resumen

DELGADILLO-MOYA, Claudio  y  PENA-RETES, Ana Paola. Moss diversity in the state of Aguascalientes, Mexico: Revision and update. Bot. sci [online]. 2017, vol.95, n.3, pp.503-513. ISSN 2007-4476.  http://dx.doi.org/10.17129/botsci.891.

Background:

Seven moss species were known from the state of Aguascalientes before a study by Delgadillo et al. (2015) listed 38 new records for its moss flora.

Hypothesis:

Despite its comparatively dry climate, Aguascalientes could harbor a more diverse moss flora. Geographically, this would be an extension of the moss flora of Jalisco and Zacatecas.

Study site and dates:

Moss collections in Aguascalientes were made in August 2014 and September 2015, with emphasis on northwestern and southwestern localities.

Methods:

About 165 moss samples were collected in old fields, streambeds, and areas covered with chaparral vegetation. These and 140 herbarium specimens from the herbarium of Universidad Autónoma de Aguascalientes (HUAA) were studied to prepare the species list.

Results:

The Aguascalientes moss flora comprises at least 95 moss species and varieties, including 50 new state records. The families Pottiaceae (34 species), Bryaceae (11) and Grimmiaceae (7) are the most important. It is a flora characteristic of the drylands, but with some highland representatives. Keys for the identification of the known moss species are included.

Conclusions:

A larger species number should be expected once less-accessible areas are explored. The known Aguascalientes moss flora is characteristic of dry land areas extending to Jalisco and Zacatecas, but with some high elevation species. It comprises cleistocarpic taxa and other with peculiar adaptations. Some species form associations that require other forms of analysis.

Palabras llave : Bryophyte; mosses; species richness; Mexico.

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