Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1950)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1942)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1946)

Flora del bajío y de regiones adyacentes - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2005)

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

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1906)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1908)

North American flora - New York Botanical Garden (New York Botanical Garden, 1908)