JavaScript is disabled for your browser. Some features of this site may not work without it.
Scrophulariaceae of the central Rocky Mountain States
Pennell, Francis W.
Date:
1920
Citation:
Pennell, Francis W. 1920. "Scrophulariaceae of the central Rocky Mountain States." in Systematic studies of American plants, 313–381. Contributions from the United States National Herbarium. Washington, DC: Government Printing Office.