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": ""}
 RoY  DRY PRAIRIE.    < RUDBECKIA HIRTA V4R. SEROTINA minnesota B|we  uar. a8   wadena, probably ~X   1559693 ~2u       Douglass Houghton yTA   s.n. Z   qHT serotina  `Xg` united states  RUDBECKIA > Q   (NUTT.) CORE dg%od   HIRTA H8  Asteraceae  W  832-07-19 ap 
{"catalogNumber": "1559693", "order": "", "family": "Asteraceae", "scientificName": "Rudbeckia hirta var. serotina", "scientificNameAuthorship": "(Nutt.) Core", "genus": "Rudbeckia", "subgenus": "", "specificEpithet": "hirta", "verbatimTaxonRank": "var.", "infraspecificEpithet": "serotina", "identifiedBy": "", "recordedBy": "Douglass Houghton", "recordNumber": "s.n.", "verbatimEventDate": "1832-07-19", "habitat": "Dry prairie.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Minnesota", "county": "Wadena, probably", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}