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": ""}
 Michigan b2n O  1937-09-09 V     EDWARD G. VOSS x f&     y2 1315577       leroy h. harvey TI  574 d$1r  pumila 2     1 POACEAE  aT K~ setaria pumila  Fn@  parkway in kalamazoo  POALES LFP   SETARIA  xwNY 
{"catalogNumber": "1315577", "order": "Poales", "family": "Poaceae", "scientificName": "Setaria pumila", "scientificNameAuthorship": "", "genus": "Setaria", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "LeRoy H. Harvey", "recordNumber": "574", "verbatimEventDate": "1937-09-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Parkway in Kalamazoo", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}