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AbstractSeed dispersal agents of the world's cycads are poorly known. Animal interactions with cycad seeds are likely responsible, at least in part, for the current distribution of cycad populations. Long-distance seed dispersal and the subsequent speciation of closely related forms among extant cycads are probably the result of avian interactions. A theoretical framework is discussed and anecdotal observations are presented in order to develop a profile for dispersal agents of Mexican cycads.
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