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": ""}
 43.17558 d  nutt. Q     zb/+ Lapeer   -83.35467 XVBW      m fWO Lapeer State Gam 4rea, NE of Lapeer   KjbN_ salix exigua   salix :nOP   united states 5zocv  michigan LC^@  2003-08-07 ^>&h@    , 8mX "SMALL SHRUB ABOUT 2 METERS TALL; FRUITS BROWN."   _z salicceae  P0lH JOSHUA C. SPRINGER
{"catalogNumber": "", "order": "", "family": "Salicaceae", "scientificName": "Salix exigua", "scientificNameAuthorship": "Nutt.", "genus": "Salix", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Joshua C. Springer", "recordNumber": "", "verbatimEventDate": "2003-08-07", "habitat": "", "occurrenceRemarks": "\"Small shrub about 2 meters tall; fruits brown.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Lapeer", "municipality": "", "locality": "Lapeer State Game Area, NE of Lapeer", "decimalLatitude": "43.17558", "decimalLongitude": "-83.35467", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}