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": ""}
united states ;M   o ONTONAGON POLYRHIZA -R;R8  1474475 qHg,   X  bohemia twp., f.r. 499 (later f.r. 1700), 1 mi w of bf.h. 16. sec. 22, t50n, r37w.  i~wC 46.71514  )~1 -88.91679    Z_#0 spirodela   #~% 4617       bd (L.) Schleid.  C ruth b. (alford) macfarlane    F "lvs puplish beneath, floating." araceae 5i  ALISMATALES #A~@T    !  1984-07-08  pond, n side of rd; abundant close to shore, especially on dead wet grass lvs at shore; mucky clay bottom; w/ sparganium chlorocarpum. 4   `]I MICHIGAN SPIRODELA POLYRHIZA Y  
{"catalogNumber": "1474475", "order": "Alismatales", "family": "Araceae", "scientificName": "Spirodela polyrhiza", "scientificNameAuthorship": "(L.) Schleid.", "genus": "Spirodela", "subgenus": "", "specificEpithet": "polyrhiza", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ruth B. (Alford) MacFarlane", "recordNumber": "4617", "verbatimEventDate": "1984-07-08", "habitat": "Pond, N side of rd; abundant close to shore, especially on dead wet grass lvs at shore; mucky clay bottom; w/ Sparganium chlorocarpum.", "occurrenceRemarks": "\"Lvs purplish beneath, floating.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ontonagon", "municipality": "", "locality": "Bohemia Twp., F.R. 499 (later F.R. 1700), 1 mi W of F.H. 16. Sec. 22, T50N, R37W.", "decimalLatitude": "46.71514", "decimalLongitude": "-88.91679", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}