Listado florístico de especies anuales de floración invernal en el noreste de Nuevo León, México
Guzmán-Lucio, Marco Antonio | Wendt, Tom | Simpson, Beryl Brintnall | Alvarado Vázquez, Marco Antonio | Foroughbakhch, Rahim | González Álvarez, Marcela | Rocha Estrada, Alejandra
The northeastern part of Nuevo León falls within the North American Great Plains physiographic province and it has been floristically the poorlest studied portion of the state. This study presents a preliminary list of the annual species that flower from December through March, based on field work and review of collections in the TEX/LL and UNL herbaria. Seventy three species are included, of which 85% are native and the rest (15%) are introduced. Eleven species (15%) are considered invasive or noxious weeds in some part of North America. Although many of the species are ruderals, the total group is varied and its biological and ecological importance as a part of the native vegetation is unknown. Nine species are reported as new for the flora of Nuevo León. This study shows that the flora in the region is imperfectly documented.
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