| Title | Introduccion to the Facsimile Reprint of Frederick Pursh, Flora Americae Septentrionalis |
| Abbreviation | Introd. Fasc. Repr. Frederick Pursh, Fl. Amer. Sept. |
| Authors | J. A. Ewan |
| Publication Dates | 1979 |
| ISBN | 3768212424 |
| Remarks | Ewan edited and authored the introduction. |
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