Portugal - Spain - Portugal

My Blip is taken in Spain just inside the border where we went for a wander. A scramble across the stream coming from a filled reservoir, then a slightly soggy walk to a bird hide. Along the way, these dwarf irises abounded. I've searched and narrowed it down to two possibilities -the Barbary Nut or Spanish Iris.  Answers on a postcard please.....

My extra is of a (temporarily) redundant sign due to the high lake level. If you zoom in you'll see my point.  The weather has been great again today, but you may have seen too many blue skies.......