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": ""}
  UNITED STATES G5    b<Pv< VERONICA ARVENSIS    1968-05-12  x<f    VERONICA  s(  michigan 59HP  1240930 .v>v     |/ sec. 21/chesaning twp. SAGINAW _1*   20 PLANTAGINACEAE CEMETERY RIVERBANK    ARVENSIS f&  lamiales +X  frederick w. case, jr.  X     L. JC 
{"catalogNumber": "1240930", "order": "Lamiales", "family": "Plantaginaceae", "scientificName": "Veronica arvensis", "scientificNameAuthorship": "L.", "genus": "Veronica", "subgenus": "", "specificEpithet": "arvensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frederick W. Case, Jr.", "recordNumber": "", "verbatimEventDate": "1968-05-12", "habitat": "Cemetery Riverbank", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Saginaw", "municipality": "", "locality": "Sec. 21/Chesaning Twp.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}