Thanks for your kind words, Bluespiral.
This is one of several endemic Adiantum species we have. As in the USA, our Adiantums thrive in humid shade. The area where I took these pictures (at the foot of The Andes mountains) originally had tall trees, that were removed in order to sell the land and build a condo
That's why the ferns were exposed to fulll sun. I was able to visit the place for a few years and observed the ferns that had died back as soon as it got to hot, came back with the first autumn rains.