Ramírez Amezcua, J. M. (2016). Piper commutatum (Piperaceae), the correct name for a widespread species in Mexico and Mesoamerica. Instituto de Ecología, A.C.
Chicago-čujuhus (17. p.)Ramírez Amezcua, José Manuel. Piper Commutatum (Piperaceae), the Correct Name for a Widespread Species in Mexico and Mesoamerica. Instituto de Ecología, A.C, 2016.
MLA-čujuhus (9. p.)Ramírez Amezcua, José Manuel. Piper Commutatum (Piperaceae), the Correct Name for a Widespread Species in Mexico and Mesoamerica. Instituto de Ecología, A.C, 2016.
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