Alethopteris-like leaflets

- Alethopteris lonchitica
     leaflets rather long and relatively narrow
     in the upper part of a partial frond decurrent and confluent
     in the lower part contracted at the base

 - Alethopteris grandinii
     leaflets small, with blunt apex
     rather closely spaced

 - Alethopteris decurrens
     leaflets very small and narrow
     veins relatively widely spaced  

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Link to Photos of Alethopteris Jens Janzen