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": ""}
 Pu0B NORTH SIDE OF US-12, ABOUT 20 KM NE OF HILLSDALE.  caryophyllales arGJ   42.051247 K     -84.468833 rn     F MICHIGAN             0 s. f. gray    
{"catalogNumber": "", "order": "Caryophyllales", "family": "", "scientificName": "", "scientificNameAuthorship": "S. F. Gray", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "North side of US-12, about 20 km NE of Hillsdale.", "decimalLatitude": "42.051247", "decimalLongitude": "-84.468833", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}