Even though the sporophyte is very long-lived, the fern gametophyte is normally ephemeral. It develops in a very microenvironment characterized by tiny Competitors from other crops (such as even mosses and algae); exposed humus, decomposing plant products, or new mineral surfaces; deep to reasonable shade; and also a humid ambiance. https://balloon-arch-frame98642.hyperionwiki.com/1551516/what_does_ballon_arch_mean