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": ""}
   S.N. Asparagaceae J6v)  washtenaw K    y8%o 1903-06-07   )g5 b 1338807   ]F Huron River Terr., Ann Arb3or. Polygonatum <z    d8 MICHIGAN 42.297255      [w [CITED P. 407].   o6 r` ASPARAGALE5  miss h.w. thomsom Pa F     5 Kx BIFLORUM -83.744179 +z  polygonatum biflorum  wx$  united states F^     (Walter) Elliott -bb 
{"catalogNumber": "1338807", "order": "Asparagales", "family": "Asparagaceae", "scientificName": "Polygonatum biflorum", "scientificNameAuthorship": "(Walter) Elliott", "genus": "Polygonatum", "subgenus": "", "specificEpithet": "biflorum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Miss H.W. Thomsom", "recordNumber": "s.n.", "verbatimEventDate": "1903-06-07", "habitat": "", "occurrenceRemarks": "[Cited P. 407].", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Huron River Terr., Ann Arbor.", "decimalLatitude": "42.297255", "decimalLongitude": "-83.744179", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}