Did you know that you can eat those? The tips are the best because they have less cellulose than the older parts of the leaf. I know this because I was marooned in Arkansas for 3 years.
Beowulf
I worked on your photo ' Fern' while darkening the background and while increasing the contrast of the main leaf. See ' Fern-2 '.
Tell me what you think.
I will erase the photo after your commentary