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": ""}
  RIG: Muhl. ex Willd. -83.79414 G  0     9K,t& lupulina Carex =+     united states  ^V:@   +Cv/+ SAGINAW  ElVpN harley h. bartlett  Birch Run. Woods containing white birch, within a radius 3 miles to the northward. ;LMg  1324652 )^.K   43.27911 V  Michigan /r   poales!&     k Cyperaceae  T2 8 Carex lupulina cuq   dI 1951-09-05  
{"catalogNumber": "1324652", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex lupulina", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "Carex", "subgenus": "", "specificEpithet": "lupulina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Harley H. Bartlett", "recordNumber": "8", "verbatimEventDate": "1951-09-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Saginaw", "municipality": "", "locality": "Birch Run. Woods containing white birch, within a radius 3 miles to the northward.", "decimalLatitude": "43.27911", "decimalLongitude": "-83.79414", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}