"About: Species Sempervivum tectorum, Family Crassulaceae" . . "http://lod.geospecies.org/ses/QMq3v.rdf" . "Peter J. DeVries" . . . "GeoSpecies Knowledge Base RDF: Species Sempervivum tectorum" . "en" . . . . . . "2010-07-15T12:42:09-0500" . . .