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Revista mexicana de biodiversidad
On-line version ISSN 2007-8706Print version ISSN 1870-3453
Abstract
MORA-OLIVO, Arturo; DANIEL, Thomas F. and MARTINEZ, Mahinda. First record in the Mexican flora of Hygrophila polysperma (Acanthaceae), an aquatic weed. Rev. Mex. Biodiv. [online]. 2008, vol.79, n.1, pp.265-269. ISSN 2007-8706.
The presence in Mexico of the aquatic weed Hygrophila polysperma is reported for the fi rst time. Data regarding history in America, morphology, and distribution in Tamaulipas are provided. A key is included to distinguish this species from the Mexican native, H. costata. Finally, the threat that this introduced plant represents for artificial and natural aquatic ecosystems in Mexico is discussed.
Keywords : Hygrophila polysperma; aquatic weed; Tamaulipas; Mexico.