| Title | The Scrophulariaceae of eastern temperate North America |
| Abbreviation | Use: Academy of natural sciences of Philadelphia ... Monographs. Vol. no. 1 |
| Authors | F. W. Pennell |
| Publication Dates | 1935 |
| Place of publication | Philadelphia |
| Publisher | Printed by the George W. Carpenter ... |
| HOLLIS | 006624091 |
| Remarks | Description: xiv p., 1 l., 650 p. illus., 2 fold. maps URI: http://books.google.com/books?id=7lvP_mK9dHUC&pg=PA141&lpg=PA141&dq=scrophulariaceae+of+eastern+united+states+pennell&source=bl&ots=eCZQVsmh0y&sig=PsTVe1FFiXn1XbPnsvAqHUN3Z9U&hl=en&ei=vvZQS_HUOZGftge8xsWtDA&sa=X&oi=book_result&ct=result&resnum=4&ved=0CBcQ6AEwAw#v=onepage&q=&f=false |