Distribución geográfica y estado de conservación de las poblaciones de Mammillaria pectinifera
Geographic distribution and conservation status of Mammillaria pectinifera populations
1 Comisión Nacional para el Conocimiento y Uso de la Biodiversidad. Liga Periférico-Insurgentes Sur 4903, Parques del Pedregal, Tlalpan, 14010 México, D. F., México.
2 Escuela Nacional de Estudios Superiores, Unidad Morelia. Universidad Nacional Autónoma de México-Campus Morelia. Antigua Carretera a Pátzcuaro 8701, Col. Ex-Hacienda de San José de la Huerta. 58190 Morelia, Michoacán, México.
3 Departamento de Ecología y Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autónoma de México. Circuito Exterior s/n, Ciudad Universitaria, Coyoacán, 04510 México, D. F., México.
4 Centro de Investigaciones en Geografía Ambiental. Universidad Nacional Autónoma de México. Antigua Carretera a Pátzcuaro # 8701, Col. Ex-Hacienda de San José de la Huerta, 58190 Morelia, Michoacán, México.
5 Department of Botany and Plant Science. University of California-Riverside. 900 University Avenue, Riverside, California 92521, USA.
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