These flowers are called black or brown eyed susans. They are related to the sunflower, and grow abundantly where I live in KS. The sunflower state, btw. :) I have them all over my yard, they enjoy growing at the edge of fields or forests. Our property is bordered with woods, and these are on the property just where the grass stops and the trees begin.
You can try to plant them elsewhere, but as a wildflower, I might check with your extension first to see if they are categorized as a "noxious weed" where you live. ... View related article.
I would just wear one of those allergy masks when you pick it up, toss it into the compost, or directly onto the flowers, or whatever. A bat house, how neat. Your bug population will definitely go down. ... View related article.
