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": ""}
 lH contact um herbarium  Tussilago farfara ?&A       Cultivated >    K asterales  x6Q FARFARA    S.N.  s [  <&  UNITED STATES  >Re NO DATA tussilago @  L. p:0 ~    Abram Sager ~C        63 1539866
{"catalogNumber": "1539866", "order": "Asterales", "family": "", "scientificName": "Tussilago farfara", "scientificNameAuthorship": "L.", "genus": "Tussilago", "subgenus": "", "specificEpithet": "farfara", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Abram Sager", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "Cultivated", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "no data", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}