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": ""}
 _W -83.806645   uo e AMELANCHIER LAEVIS washtenaw zd&6A   m3 SANDY CLAY. Wiegand (N-ny  United States (9$7v  Saginaw Forestry Farm Ann Arbor y/q9   amelanchier  K)   r*Lw 1463675   Michigan %     >Wgx 500 rosales 69    42.274748 ;   <EOOD 1935-05-07 laevis Y A    M ROSACEAE   J0HN H. EHLERS hj 
{"catalogNumber": "1463675", "order": "Rosales", "family": "Rosaceae", "scientificName": "Amelanchier laevis", "scientificNameAuthorship": "Wiegand", "genus": "Amelanchier", "subgenus": "", "specificEpithet": "laevis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "5800", "verbatimEventDate": "1935-05-07", "habitat": "Sandy clay.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Saginaw Forestry Farm Ann Arbor", "decimalLatitude": "42.274748", "decimalLongitude": "-83.806645", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}