Natures Art or Art Nouveau?

It may be just an ordinary butterfly but look closely and you'll see this Marbled White (correction thanks to ever-vigilant Susan!) is a true work of art..

Those underwings could almost be the inspiration for some of the work of Charles Rennie Mackintosh, a designer from the Arts and Crafts movement and the main representative of Art Nouveau in the UK. ..

What better inspiration could there be than nature?