TITLE

SENECIO INAEQUIDENS DC. (COMPOSITAE, SENECIONEAE), UNA MALEZA PERJUDICIAL INTRODUCIDA EN MÉXICO

AUTHOR(S)
Rzedowski, Jerzy; Vibrans, Heike; Calderón De Rzedowski, Graciela
PUB. DATE
June 2003
SOURCE
Acta Botanica Mexicana;2003, Issue 63, p83
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Senecio inaequidens DC., a weed of South African origin, is reported from 10 localities of central Mexico. In most places the populations are small and apparently of recent arrival. However, in the vicinity of the town of Amealco, situated in the southern extreme of the state of Querétaro, the species is extremely abundant in ruderal environments and apparently has existed there for 50 or more years. This paper summarizes information concerning uncertainty of the identification of the species, particularly in connection with the use of the name Senecio madagascariensis Poir. It includes also some outstanding aspects of its geographical distribution and of the history of its invasion in central and southern Europe, Australia and Argentina, where in recent decades the plant has become a severely noxious weed, especially in cattle raising areas, and also a dangerous competitor of native plants in some natural environments.
ACCESSION #
20234341

 

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