But many shelters/rescues have an acknowledged habit of listing dogs as mixes if (a) they aren't entirely certain it's a purebred or (b) if it's a breed that can be difficult to place and listing it as a mix may make it more likely to be adopted.
Thanks Sharron! I didnt even think of sending info on a mix to BRAT. Hopefully she can go to a home that will love her. Let us know if anything happens.