Geographically, ferns are most abundant while in the tropics. Arctic and Antarctic areas have handful of species. On the other hand, a small tropical place for example Costa Rica can have more than 900 species of ferns—about 2 times as a lot of as are present in all of North https://ballon-arch21975.sharebyblog.com/36475266/the-definitive-guide-to-balloon-arch-frame