Ameraucanas and Araucanas are not availiable from hatcheries (with the exception of MyPetChicken in regard to the ameraucana only to my knowledge) or feed stores. And yes, the feed stores tell you they have Ameraucanas, Araucanas, or -oh horrors- Americanas. That's what the hatcheries tell them. They have Easter Eggers.
Ameraucanas are an APA recognized breed with blue to blue green eggs, and have muffs, beards and tails. They have pea combs, slate legs, i think 8 recognized colors and breed true. Rare and pricey... like $126 for a dozen nice hatching eggs.
Araucanas are an APA recognized breed with blue to blue green eggs,and have tufts,and are rumpless- no tails. The tufting gene is lethal. Chicks with two copies die in their shells. It also seems difficult to get two even tufts, one on each side. Yet rarer and more expensive.
Easter Eggers are mutts bred from Ameraucanas for improved egg production. They can be any color, often have pea combs, muffs, beards and willow or green legs. They may lay blue, green, 'pink', or brown eggs.
Hope I got that right!!!!