That’s the name in my old dog-eared Peterson’s guide. But things change and this is now known as Squarrose Goldenrod reflecting the latin- Solidago squarrosa. Goldenrods are a genus I haven’t really spent much time keying before, so this had me confused between Squarrose and Showy. There are small differences like the leaf margins and bracts along with ray count that are the hints in the field. I know that now but didn’t in the field. Years back, I would carry a few field guides in my pack, but the added weight is now a bit taxing, so I try to get images of all the key features to ID at home. It’s a given that I will miss something and, in this case, I missed the margins.
Anyway, the mystery is solved. This was the most developed and showiest of the plants.