Weird Flower!

My daughter sent me a photo of one of two weird flowers growing in her garden. It appears to be a mutant form of a black eyed susan.Weird FlowerThe flowers were part of a wild flower perennial shade mix from Alymer Seeds. The other black eyed susans appear to be normal. Two of the flowers appear to be mutants. The entire head is about the size of an average palm. The centre is about two