Observed at the Q. x deamii conservancy area in Wells County. There appeared to be three adult trees able to bear acorns, one of which currently producing. There were also a few saplings along the perimeter, but it was hard to tell if they were Deam's oaks or Q. muehlenbergii due to their size.
My friend and I are hunting for Deam's oaks in Indiana and came here to better acquaint ourselves with what this cross-species looks like.