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Botanical Sciences
versión On-line ISSN 2007-4476versión impresa ISSN 2007-4298
Resumen
VELAZQUEZ-MONTES, Ernesto. The family Isoëtaceae in Guerrero, Mexico: A new record. Bot. sci [online]. 2014, vol.92, n.2, pp.183-188. ISSN 2007-4476.
Despite the intensive taxonomic studies on pteridophytes carried out in Mexico, particularly in the state of Guerrero, Isoëtaceae has not yet been reported in this state. Here the first report of Isoëtes pallida in the southeastern coastal plain near Acapulco is given and discussed. The finding of I. pallida in the state of Guerrero is the third record of this taxon in the country. Currently, the color and ornamentation of the sporangial wall are used to separate some species of Isoëtes, but the taxonomic value of these characteristics seems to be questionable.
Palabras llave : Guerrero; Isoëtes pallida; new record; Pteridophytes; taxonomy.