Vol. 238, Issue 2, 1940February 01, 1940 EDT
A Pennsylvanian Flora From Central Oregon
A Pennsylvanian Flora From Central Oregon
Charles Brian Read, Charles Warren Merriam,
Read, C. B., & Merriam, C. W. (1940). A Pennsylvanian flora from central Oregon. American Journal of Science, 238(2), 107–111. https://doi.org/10.2475/ajs.238.2.107