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": ""}
   asterales mf  1539100 4_M<        madia dissitiflora       F=I Madia DISSITIFLORA :K   w2c 1885-09        Pc s.n.  m HOMER C. SKEELS  JK UNITED STATES  d del norte 
{"catalogNumber": "1539100", "order": "Asterales", "family": "", "scientificName": "Madia dissitiflora", "scientificNameAuthorship": "", "genus": "Madia", "subgenus": "", "specificEpithet": "dissitiflora", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Homer C. Skeels", "recordNumber": "s.n.", "verbatimEventDate": "1885-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Del Norte", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}