Although many species of ferns are edible as fiddleheads, Ostrich Ferns are the best. They are edible only in their early growth phase first thing in the spring. PLEASE NOTE: Most or all other fern species are either unpalatable (too tough or not very tasty) or contain high levels or carcinogens.
The purpose of a political party is to gain political power to establish a role in history, to win to help promote shared principles and political ideology and to endorse candidates who support a specific political philosophy.
Believe it or not, political parties do serve a purpose besides triggering 95% of all arguments ever started since time began. They help define potential voters' beliefs and positions on important issues and use that strength in numbers to get candidates who share those views elected into office.