from Asa Gray, Genera florae Americae boreali-orientalis illustrata. The genera of the plants of the United States ... Vol. 2. New York, George P. Putnam, 1849. Pl. 178.
This image is in the public domain and can be downloaded from the SEPARATE PUBLIC DOMAIN DATABASE. When using it, please include the following credit statement: courtesy of the Hunt Institute for Botanical Documentation, Carnegie Mellon University, Pittsburgh, Pa.
This image is in the public domain and can be downloaded from the SEPARATE PUBLIC DOMAIN DATABASE. When using it, please include the following credit statement: Courtesy of the Hunt Institute for Botanical Documentation, Carnegie Mellon University, Pittsburgh, Pa., on indefinite loan from the Smithsonian Institution.
This image is in the public domain and can be downloaded from the SEPARATE PUBLIC DOMAIN DATABASE. When using it, please include the following credit statement: Courtesy of the Hunt Institute for Botanical Documentation, Carnegie Mellon University, Pittsburgh, Pa., on indefinite loan from the Smithsonian Institution.
from Asa Gray, United States exploring expedition during the years 1838, 1839, 1840, 1841, 1842 under the command of Charles Wilkes, U.S.N. Atlas. Botany. Phanerogamia. Vol. 1. New York, G. P. Putnam, 1857. Pl. 6.
This image is in the public domain and can be downloaded from the SEPARATE PUBLIC DOMAIN DATABASE [once photographed] When using it, please include the following credit statement: Courtesy of the Hunt Institute for Botanical Documentation, Carnegie Mellon University, Pittsburgh, Pa., on indefinite loan from the Smithsonian Institution.
from Asa Gray, United States exploring expedition during the years 1838, 1839, 1840, 1841, 1842 under the command of Charles Wilkes, U.S.N. Botany. Phanerogamia. Vol. 1. New York, G. P. Putnam, 1857. Pl. 84.
This image is in the public domain and can be downloaded from the SEPARATE PUBLIC DOMAIN DATABASE. When using it, please include the following credit statement: Courtesy of the Hunt Institute for Botanical Documentation, Carnegie Mellon University, Pittsburgh, Pa., on indefinite loan from the Smithsonian Institution.
for John Torrey, ''Report of the botany of the expedition.'' Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean. Vol. 4. Washington, A. O. P. Nicholson, 1856. Pl. 7.
This image is in the public domain and can be downloaded from the SEPARATE PUBLIC DOMAIN DATABASE. When using it, please include the following credit statement: Courtesy of the Hunt Institute for Botanical Documentation, Carnegie Mellon University, Pittsburgh, Pa., on indefinite loan from the Smithsonian Institution.
This image is in the public domain and can be downloaded from the SEPARATE PUBLIC DOMAIN DATABASE. When using it, please include the following credit statement: Courtesy of the Hunt Institute for Botanical Documentation, Carnegie Mellon University, Pittsburgh, Pa., on indefinite loan from the Smithsonian Institution.
