I've only seen it growing in one area of the pasture, but I also saw some in the neighbors pastures. I take them for granted, but I'm not blind or immune to the native plants so I'm surprised I haven't noticed it before even if there were just a few plants. It's not one I'd have been likely to miss. Over the years, though, there have been additions and changes in the balance of what grows - both in flora and fauna. Something you can observe on a property if you've been closely associated with it since 1950
. Weather patterns surely affect that, too.