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": ""}
  IAN SHACKLEFORD xGo      /S -89.6191       Ontonagon gKD  46.81806 ] p      FEky 2008-09-23     MYRIOPHYLLUM $,6I  myriophyllum heterophyllum  J7 2  michx. MB   a United States in slow-moving water of river. (nad 1983) CI*  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Myriophyllum heterophyllum", "scientificNameAuthorship": "Michx.", "genus": "Myriophyllum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ian Shackleford", "recordNumber": "", "verbatimEventDate": "2008-09-23", "habitat": "In slow-moving water of river. (NAD 1983)", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Ontonagon", "municipality": "", "locality": "", "decimalLatitude": "46.81806", "decimalLongitude": "-89.6191", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}