Conservation genetics of an endangered cycad, <em>Dioon sonorense</em> (Zamiaceae): implications from variation of chloroplast DNA by José Said Gutiérrez-Ortega, Tadashi Kajita, Francisco E. Molina-Freaner

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<i>Zamia magnifica</i> (Zamiaceae, Cycadales): A New Rupicolous Cycad Species from Sierra Norte, Oaxaca, Mexico by Miguel Angel Pérez-Farrera, José Said Gutiérrez-Ortega, Mauricio Gerónimo Martínez-Martínez, Michael Calonje

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<i>Ceratozamia dominguezii</i> (Zamiaceae): A New Cycad Species from Southeastern Mexico by Miguel Angel Pérez-Farrera, José Said Gutiérrez-Ortega, Andrew P. Vovides, Michael Calonje, Pedro Díaz-Jiménez

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<i>Ceratozamia schiblii</i> (Zamiaceae): A New Cycad Species from the Eastern Mountains of Oaxaca, Mexico by Miguel Angel Pérez-Farrera, José Said Gutiérrez-Ortega, Timothy J. Gregory, Jeffrey Chemnick, Silvia Salas-Morales, Michael Calonje, Pedro Díaz-Jiménez

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<i>Ceratozamia aurantiaca</i> (Zamiaceae): A New Cycad Species from the Northern Rainforests of Oaxaca, Mexico by Miguel Angel Pérez-Farrera, José Said Gutiérrez-Ortega, Jody L. Haynes, Jeff Chemnick, Silvia H. Salas-Morales, Michael Calonje, Andrew P. Vovides

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Diversidad de plantas vasculares de la Provincia Fisiográfica de la Sierra Madre Oriental, México. by María Magdalena Salinas-Rodríguez, Luis Hernández-Sandoval, Pablo Carrillo-Reyes, Hugo Alberto Castillo-Gómez, Arturo Castro-Castro, Eduardo Estrada-Castillón, Dante Samuel Figueroa-Martínez, Ivonne Nayeli Gómez-Escamilla, Martha González-Elizondo, José Saíd Gutiérrez-Ortega, Julián Hernández-Rendón, Guadalupe Munguía-Lino, José Arturo De-Nova, Juan Pablo Ortíz-Brunel, Gabriel Rubio-Méndez, Eduardo Ruíz-Sánchez, Cristóbal Sánchez-Sánchez, Tecoatlayopeuh Nelly Sandoval-Mata, Rafael Soltero-Quintana, Victor Steinmann, Susana Valencia-A, Sergio Zamudio-Ruíz

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