Americana or any other spelling of Ameraucana is pretty much always just going to be an EE. The misspelling is the hatcheries way of tricking buyers into thinking they are buying the real breed. An EE is simply a mix made
from an Ameraucana. True Ameraucana chickens come in select color variants and have a breed standard whereas EEs do not because they are not a true breed.
@EmmaRainboe has posted a lot of info about this (she’s the Ameraucana police lol)- I think she may have an article too?
Araucanas have ear tufts as their stand out feature and are a true breed with an SOP themselves.