Bibliographical index to North American botany; or, Citations of authorities for all the recorded indigenous and naturalized species of the flora of North America, with a chronological arrangement of the synonymy Part I Polypetalae - Watson, Sereno, 1826 -1892 (Smithsonian Institution, 1878)

Bibliographical index to North American botany; or, Citations of authorities for all the recorded indigenous and naturalized species of the flora of North America, with a chronological arrangement of the synonymy Part I Polypetalae - Watson, Sereno, 1826 -1892 (Smithsonian Institution, 1878)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1869)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1869)

Monographie der Gattung Silene - Rohrbach, Paul, 1847 -1871 (W. Engelmann, 1868)

Monographie der Gattung Silene - Rohrbach, Paul, 1847 -1871 (W. Engelmann, 1868)