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": ""}
  ) rHr SAGITTARIA LATIFOLIA  SAGITTARIA [O7g    1282328 1     1938-07-31 M  m.r. raymond m  Washtenaw |=       |&SY 610 [!k. rataj 1968]  C`S    tYA UNITED STATES willd.  Z +  alismatales =1   huron river A    ]*] ` bottom: sandy 
{"catalogNumber": "1282328", "order": "Alismatales", "family": "", "scientificName": "Sagittaria latifolia", "scientificNameAuthorship": "Willd.", "genus": "Sagittaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M.R. Raymond", "recordNumber": "610", "verbatimEventDate": "1938-07-31", "habitat": "Bottom: Sandy", "occurrenceRemarks": "[!K. Rataj 1968]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "Huron River", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}