What is the correct way to spell "Amerucana?"

[awesomefowl]

I've seen it spelled Americana, Amerucana, Amerucauna, Ameraucana....the list goes on!
Which is correct?

I have always wondered this.

 

[Dipsy Doodle Doo]

Quote:
That one.

Lisa

 

[Tuffoldhen]

Ameraucana

 

[awesomefowl]

Thank you! I suspected as much.