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": ""}
 k -84.01614   MICHIGAN vb)_    HIRTA H   1961-07-05 xb2   819 8    X Rudbeckia hirta var. pulcherrima  :. ASTERACEAE farw. J    UNITED STATES 3vLD    70 e.s. george reserve. grid b-5.          ?=8 livingston
{"catalogNumber": "", "order": "", "family": "Asteraceae", "scientificName": "Rudbeckia hirta var. pulcherrima", "scientificNameAuthorship": "Farw.", "genus": "", "subgenus": "", "specificEpithet": "hirta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "819", "verbatimEventDate": "1961-07-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "E.S. George Reserve. Grid B-5.", "decimalLatitude": "", "decimalLongitude": "-84.01614", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}