Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
    h T  not present    ^ s.n.  GROENLANDIA DENA Hc7 5    4o!4v 1968-08-25 alismatales w5?y  Potamogetonaceae fV    salzburg %dd   salzburg stadt 0  1177079 0[+  CONTACT UM HERBARIUM **1   a b^G FOURR.     $ densa  AUSTRIA f#  
{"catalogNumber": "1177079", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Groenlandia densa", "scientificNameAuthorship": "Fourr.", "genus": "", "subgenus": "", "specificEpithet": "densa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "not present", "recordNumber": "s.n.", "verbatimEventDate": "1968-08-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Austria", "stateProvince": "Salzburg", "county": "Salzburg Stadt", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}