Castañeda Rojas, A., Franco Martínez, I. S., & García-Mendoza, A. (2005). Manfreda galvaniae (Agavaceae), a new species from Mexico, with notes on the taxonomic placement of M. malinaltenangensis Matuda and its lectotipification. Instituto de Ecología, A.C.
Chicago-čujuhus (17. p.)Castañeda Rojas, Alejandro, I. Sonia Franco Martínez, juo Abisaí García-Mendoza. Manfreda Galvaniae (Agavaceae), a New Species from Mexico, with Notes on the Taxonomic Placement of M. Malinaltenangensis Matuda and Its Lectotipification. Instituto de Ecología, A.C, 2005.
MLA-čujuhus (9. p.)Castañeda Rojas, Alejandro, et al. Manfreda Galvaniae (Agavaceae), a New Species from Mexico, with Notes on the Taxonomic Placement of M. Malinaltenangensis Matuda and Its Lectotipification. Instituto de Ecología, A.C, 2005.
