About: http://webisa.webdatacommons.org/245978161

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	There are about 12,000 species, including the typical forest ferns, aquatic ferns, desert ones and ferns that are the size of trees.
http://www.w3.org/ns/prov#wasQuotedFrom	duke.edu