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": ""}
  zGr28 1970-06-30 CA. 1Â½ MI. SW OF POWERS. 8U      a  45.673402 menominee ADV|X    + Michigan 13298 yt_.     Md -87.541791       u Poales CYPERACEAE %i  carex magellanica m     ^D6K lam.  adb UNITED STATES  e6z edward g. voss 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex magellanica", "scientificNameAuthorship": "Lam.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "13298", "verbatimEventDate": "1970-06-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Menominee", "municipality": "", "locality": "ca. 1\u00c2\u00bd mi. SW of Powers.", "decimalLatitude": "45.673402", "decimalLongitude": "-87.541791", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}