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": ""}
 +iA5 Michigan  x SOLANALES j Calystegia spithamaea       ERIC A. BOURDO, JR.       2:m 43.35985    % P UNITED STATES  UiP 195-06-14  L+O calystegia    Hle SEC. 8, CEDAR CREEK TP.  537 <u:(v  -86.128 v  muskegon ** )H    Ns CONVOLVULACEAE
{"catalogNumber": "", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Calystegia spithamaea", "scientificNameAuthorship": "", "genus": "Calystegia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Eric A. Bourdo, Jr.", "recordNumber": "537", "verbatimEventDate": "1950-06-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Muskegon", "municipality": "", "locality": "Sec. 8, Cedar Creek Tp.", "decimalLatitude": "43.35985", "decimalLongitude": "-86.128", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}