New species of Xanthium and Solidago.
By: By Charles Frederick Millspaugh and Earl E. Sherff.
Contributors: Sherff, Earl Edward, 1886-
Series: Fieldiana -- v. 4, no. 1; Field Museum of Natural History, Chicago -- v.199; Publication (Field Museum of Natural History : 1909) -- 199
Published: 1918
Place of publication: Chicago
Subjects: Xanthium.; Goldenrod