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": ""}
 tVh1^ nigrum   UNITED STATES Ge g          5 Keweenaw  jha. EMPETRUM NIGRUM  CARL O. GRASSL*  _       l. M    ERICALES Pi, G   9 [E. ATROPURPUREUM OF FERN. & WIEG. EGV XI/5/58]   1333382 : 
{"catalogNumber": "1333382", "order": "Ericales", "family": "", "scientificName": "Empetrum nigrum", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "nigrum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "[E. atropurpureum of Fern. & Wieg. EGV XI/5/58]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Keweenaw", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}