https://www.rhs.org.uk/plants/117773/iris-laevigata-weymouth-blue/details
Iris laevigata 'Weymouth Blue' | /RHS
iris laevigataweymouthbluerhs
https://www.rhs.org.uk/plants/9294/iris-laevigata/details
Iris laevigata | smooth iris Bogs/RHS
iris laevigatasmoothbogsrhs