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": ""}
ERICACEAE 3    qY 1925-08-07  Wf $ 174     * L. Empetrum nigrum mvnn    9 1509103  ERICALES wQ    nigrum Rr T>    7TW empetrum  2@  etah    no data qZE     greenland ( Ia     6pu# dry mountain slopes  8= WALTER N. KOELZ
{"catalogNumber": "1509103", "order": "Ericales", "family": "Ericaceae", "scientificName": "Empetrum nigrum", "scientificNameAuthorship": "L.", "genus": "Empetrum", "subgenus": "", "specificEpithet": "nigrum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "174", "verbatimEventDate": "1925-08-07", "habitat": "Dry mountain slopes", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Greenland", "stateProvince": "", "county": "no data", "municipality": "", "locality": "Etah", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}