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": ""}
1948-08-26 z:3$  Springvale Twp. 7k/@     cq= emmet  Caryophyllales  z4NJ    3NZ>k Polygonum   >NFe] Dry roadside.       sr& Michigan United States ltSO   M@L aviculare  s L.   # 1475310 polygonageae F      edward g. voss i(J  POLYGONUM AVICULARE w  
{"catalogNumber": "1475310", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Polygonum aviculare", "scientificNameAuthorship": "L.", "genus": "Polygonum", "subgenus": "", "specificEpithet": "aviculare", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1948-08-26", "habitat": "Dry roadside.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Emmet", "municipality": "", "locality": "Springvale Twp.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}