Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2007)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2012)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1900)

Flora del Valle de Tehuacán-Cuicatlán (Universidad Nacional Autónoma de México, 2014)

Flora taxonómica mexicana : Plantas vasculares - Conzatti, Cassiano, 1862 -1951 ([editor no identificado], 1947)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1900)

North American flora - New York Botanical Garden (New York Botanical Garden, 1938)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1934)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1934)

Phytoneuron (Guy L. Nesom, 2011)

Phytoneuron (Guy L. Nesom, 2011)

Phytoneuron (Guy L. Nesom, 2011)

Phytoneuron (Guy L. Nesom, 2011)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1899)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1899)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1899)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1899)