Ant protection of the nectaried fern Polypodium plebeium in central Mexico Article
Koptur, S, Rico-Gray, V, Palacios-Rios, M. (1998). Ant protection of the nectaried fern Polypodium plebeium in central Mexico
. AMERICAN JOURNAL OF BOTANY, 85(5), 10.2307/2446544
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