Gary Fewless
Key to the Ferns
| 13. Ultimate segments of sterile blade finely
divided, often less than 4 mm wide and often lacerate or finely and sharply
toothed. |
Sceptridium dissectum var dissectum |
| 13. Ultimate segments of sterile blade not finely divided, often more than 4 mm broad and usually not sharply toothed. A difficult group. | 14 |
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