<http://schema.org/about>
"To the untrained eye, many wild plants may look like weeds. However, in the garden these same plants (mostly native perennials) are great performers."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/your-home/organic-farming-gardening/photos/9-native-flowers-often-mistaken-for-weeds/joe-pye-weed>