<http://webisa.webdatacommons.org/176618874>	<http://www.w3.org/ns/prov#value>	"Common types of vegetation used in green roof systems include herbs, grasses, mosses, wild plants and flowers, and other types of perennials." .
<http://webisa.webdatacommons.org/prov/131963069>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/176618874> .
<http://webisa.webdatacommons.org/176618874>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .
<http://webisa.webdatacommons.org/176618874>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .