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": ""}
FRONDOSA Q *       ^O 1891-0921  U2* UNITED STATES  TLj&7 s.n.       l. j.    sb asteraceae  j bidens frondosa  1537920 t V =   e9_ GRPMI 43751  4$x asterales amory b3Wl    monroe ~4     BIDENS  >X Mississippi
{"catalogNumber": "1537920", "order": "Asterales", "family": "Asteraceae", "scientificName": "Bidens frondosa", "scientificNameAuthorship": "L.", "genus": "Bidens", "subgenus": "", "specificEpithet": "frondosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1891-09-21", "habitat": "", "occurrenceRemarks": "GRPM 43751", "associatedTaxa": "", "country": "United States", "stateProvince": "Mississippi", "county": "Monroe", "municipality": "", "locality": "Amory", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}