Gary Fewless
Key to the Ferns
| 8. Pinnae margins with spiny tipped teeth and an auricle (conspicuous lobe pointing toward the tip of the blade) at the base of each sterile pinna; fronds usually less than 40 cm long; very rare. | Polystichum acrostichoides |
| 8. Pinnae margins lacking spiny teeth and lacking
basal auricles; fronds usually more than 40 cm tall. |
9 |
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