The phylogenetic method in taxonomy : the North American species of Artemisia, Chrysothamnus, and Atriplex /
Hall, Harvey Monroe,1874-1932.
Clements, Frederic E.(Frederic Edward),1874-1945.
Washington, D.C. : Carnegie Institution of Washington,
1923.
The plates are arranged in three groups, each group preceded by leaves of explanatory letterpress not included in the collation.
Includes bibliographical references (p. 30) and index.
Botany
Plants
Artemisia
Chrysothamnus
Atriplex