| Title | Ferns (Filicales) Treated Comparatively with a View to Their Natural Classification |
| Abbreviation | Ferns (Bower) |
| Authors | F. O. Bower |
| Publication Dates | Vol. 1, 1923; vol. 2, 1926; vol. 3, 1928. Facsimile reprint, 1963 |
| TL2 | 693 |
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