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": ""}
1920-09-12   hVk   8/ 6 michigan  berrien DT    Ms6pv 1248333 AMERICANUM  #Jj      gP (l.) small  UNITED STATES ad   J3r & WARREN WOODS,  !qm  CAMPANULASTRUM     flood-plain. Q 8^N  Asterales 9.>   cecil billington u/C   [9~ 41.834808 -86.624924 w   ]A,= CAMPANULASTRUM AMERICANUM  b^p>! CampanulFaceae
{"catalogNumber": "1248333", "order": "Asterales", "family": "Campanulaceae", "scientificName": "Campanulastrum americanum", "scientificNameAuthorship": "(L.) Small", "genus": "Campanulastrum", "subgenus": "", "specificEpithet": "americanum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cecil Billington", "recordNumber": "", "verbatimEventDate": "1920-09-12", "habitat": "Flood-plain.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Berrien", "municipality": "", "locality": "Warren Woods,", "decimalLatitude": "41.834808", "decimalLongitude": "-86.624924", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}