| Title | Guide to the Ferns and Fern Allies of Minnesota |
| Abbreviation | Guide Ferns Minnesota |
| Authors | C. O. Rosendahl: F. K. Butters |
| Publication Dates | Jul 1909 |
| TL2 | 9.524 |
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| Title | Guide to the Ferns and Fern Allies of Minnesota |
| Abbreviation | Guide Ferns Minnesota |
| Authors | C. O. Rosendahl: F. K. Butters |
| Publication Dates | Jul 1909 |
| TL2 | 9.524 |