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 8 b   united states -^   Y IONIA  erigeron $:X     _ -84.87435   <jx 1253676    CK requent on sandy loam in dense turf of bromus inermis,   qY  42.84431  &93 Asteraceae       ROY E. GEDREAU ,S N   1982-06-05 9    RIW8 asterales
{"catalogNumber": "1253676", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Erigeron", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Roy E. Gereau", "recordNumber": "", "verbatimEventDate": "1982-06-05", "habitat": "Frequent on sandy loam in dense turf of Bromus inermis,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ionia", "municipality": "", "locality": "", "decimalLatitude": "42.84431", "decimalLongitude": "-84.87435", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}