Taxonomía y sistemática
El uso de espinas del tallo en la identificación de las especies de Neobuxbaumia (Cactaceae)
Using stem spines in the identification of Neobuxbaumia species (Cactaceae)
Héctor J. Tapiaa, Salvador Ariasa,
, Laura Yáñez-Espinosab, Teresa Terrazasc
Autor para correspondencia
a Jardín Botánico, Instituto de Biología, Universidad Nacional Autónoma de México, Apartado postal 70-614, 04510, México D.F., México
b Instituto de Investigación de Zonas Desérticas, Universidad Autónoma de San Luis Potosí, Altair Núm. 200, Col. del Llano, 78377, San Luis Potosí, México
c Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México, Apartado postal 70-233, 04510, México D.F., México
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