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": ""}
 +cWu fern.  8R FOLIOSUS  arenac q   Potamogetonaceae g     D :h 1280538      MACELLUS d    [leaves bronzed, as in typical var.!] !jC    cpRq s.n. 44.03139 0**  Michigan +G    EO Charles A. Davis   ) CHARITY ISLANDS   ^ Alismatales
{"catalogNumber": "1280538", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "", "scientificNameAuthorship": "Fern.", "genus": "", "subgenus": "", "specificEpithet": "foliosus", "verbatimTaxonRank": "", "infraspecificEpithet": "macellus", "identifiedBy": "", "recordedBy": "Charles A. Davis", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "[leaves bronzed, as in typical var.!]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Arenac", "municipality": "", "locality": "Charity Islands", "decimalLatitude": "44.03139", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}