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": ""}
  p.    SCHRAD. 1957-07-01 mPx   $ZUaf ca. 4.5 mi. NE of Alba, US-131  -84.90352 /U   WZgp Brassicaceae    densiflorum Q=d  Brassicales  vi3  1463925 f$  ` [C 45.02079 on recently graded roadside, center strip of divided hwy. ?R    Lepidium densiflorum lBvl    hAC 4417  m`  frequent. "apetalous." united states W&      !^ antrim  r michigan  * lepidium   
{"catalogNumber": "1463925", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Lepidium densiflorum", "scientificNameAuthorship": "Schrad.", "genus": "Lepidium", "subgenus": "", "specificEpithet": "densiflorum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4417", "verbatimEventDate": "1957-07-01", "habitat": "On recently graded roadside, center strip of divided hwy.", "occurrenceRemarks": "Frequent. \"Apetalous.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Antrim", "municipality": "", "locality": "ca. 4.5 mi. NE of Alba, US-131", "decimalLatitude": "45.02079", "decimalLongitude": "-84.90352", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}