The dataset is a geospatial collection of points that correspond with the presence or absence of the Natura 2000 habitat type 7220 (Petrifying springs with tufa formation ( Cratoneurion )) in springs and streaming water segments in the Flemish and Brussels Capital Region, Belgium. The dataset also contains a number of locations that were visited during mapping projects but where 7220 was found absent, or where additional survey is needed to decide on presence/absence of the habittype. The file is a GeoJSON format RFC7946 (WGS84). The data source is produced, owned and administered by the Research Institute for Nature and Forest (INBO, Department of Environment of the Flemish government). Headers are: id ; source : original data source; validity status : field inventory carried out ( gecontroleerd ) or not ( niet gecontroleerd ); name : unique name of the site; habitattype : 7220 , no Natura 2000 type (gh) , unconfirmed 7220 (7220, gh) , alkaline fen (7230) ; area_m2 : area in square meters; year : year of ...