abstract_ferns = {}

dofile(minetest.get_modpath("ferns").."/fern.lua")
dofile(minetest.get_modpath("ferns").."/horsetail.lua")
dofile(minetest.get_modpath("ferns").."/treefern.lua")
dofile(minetest.get_modpath("ferns").."/gianttreefern.lua")
dofile(minetest.get_modpath("ferns").."/crafting.lua")