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": ""}
 U@8 var.  A edward g. voss    marquette R   2 MAIANTHEMUM CANADENSE VAR. CANADENSE  united states w5 `[    >=5Y 46.485381  _;j  MAIANTHEMUM  KEb 3018   john h. guidinger .0  asparagaceae APs_,  -87.87625 Q^   +w ASPARAGALES  =mB]q 6 inches in height.  canadense n^    C sandy slope; balsam fir/white pine; shade mesic   
{"catalogNumber": "", "order": "Asparagales", "family": "Asparagaceae", "scientificName": "Maianthemum canadense var. canadense", "scientificNameAuthorship": "", "genus": "Maianthemum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "canadense", "identifiedBy": "Edward G. Voss", "recordedBy": "John H. Guidinger", "recordNumber": "3018", "verbatimEventDate": "", "habitat": "Sandy Slope; balsam fir/white pine; shade mesic", "occurrenceRemarks": "6 inches in height.", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Marquette", "municipality": "", "locality": "", "decimalLatitude": "46.485381", "decimalLongitude": "-87.87625", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}