Ifossil ebalulekile ye-fern etholakale ePeru ibalulekile ekuqondeni ukuvela kwe-Andean.
Ifossil ye-fern etholakale ePeru yembula ukuthi ukuphakama kwe-Andes kwathuthukisa kanjani ukuvela kwayo futhi inikeza izinkomba ezintsha zokufunda ngezitshalo zasezintabeni.
