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": ""}
Michigan  h     -85.49806 *Ixow       FZ1M 1464945  ?g L~ 42.91222       High bluff on thornapple - clay soil.  8a   americana =        1  3071 Heuchera americana var. hirsuticaulis  E 
{"catalogNumber": "1464945", "order": "", "family": "", "scientificName": "Heuchera americana var. hirsuticaulis", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "americana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "3071", "verbatimEventDate": "", "habitat": "High bluff on thornapple - clay soil.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.91222", "decimalLongitude": "-85.49806", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}