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": ""}
betty m. robertson Up,z    :[ 42.0631  LF Asclepias tuberosa     nT7 2 MI. S.E. OF MILAN tuberosa x*      $S 1939-07-10  L. bjp   michigan tg#  -83.6543 $oltX        m_ along road,   `  EDWARD G. VOSS gentianales   @[     mC8w monroe
{"catalogNumber": "", "order": "Gentianales", "family": "", "scientificName": "Asclepias tuberosa", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "tuberosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Betty M. Robertson", "recordNumber": "", "verbatimEventDate": "1939-07-10", "habitat": "Along road,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Monroe", "municipality": "", "locality": "2 mi. S.E. of Milan", "decimalLatitude": "42.0631", "decimalLongitude": "-83.6543", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}