1.
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Demographic consequences of chronic anthropogenic disturbance on three populations of the endangered globose cactus Coryphantha werdermannii Portilla-Alonso, RM - Martorell-Delgado, Carlos
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2.
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Population dynamics of the shrub Acacia bilimekii in a semi-desert region in Central Mexico Jiménez-Lobato, V - Valverde-Valdés, María Teresa
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