A catalogue of plants, growing without cultivation in the vicinity of Troy - Hall, James, 1811 -1898 (N. Tuttle, printer–Sign of the Lever Printing Press, 1836)

A catalogue of plants, native or naturalized, in the vicinity of New Bern, North Carolina; with remarks and synonyms - Torrey, John, 1796 -1873 (G. P. Scott, 1837)

Geschichte des Pflanzenreichs - Voigt, F. S. (Friedrich Siegmund), 1781 -1850 (F. Mauke, 1850)

Synopsis plantarum; seu, Enumeratio systematica plantarum plerumque adhuc cognitarum cum differentiis specificis et synonymis selectis ad modum Persoonii elaborata - Dietrich, David Nathanael Friedrich, 1800 -1888 (B. F. Voigtii, 1839)