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": ""}
    Michael J. Oldham    PUCCINELLIA  +w,5      TC-,Z 1423120   b (J.A. Schultes) A.S. Hitchc.  3Tn  :HWY. 61, 7.5 KM S OF INTERNATIONAL BORDER puccinellia nuttalliana :IX?`  POACEAE 2fl   minnesota y j8s      Poales 1^8776  >         
{"catalogNumber": "1423120", "order": "Poales", "family": "Poaceae", "scientificName": "Puccinellia nuttalliana", "scientificNameAuthorship": "(J.A. Schultes) A.S. Hitchc.", "genus": "Puccinellia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "18776", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Minnesota", "county": "", "municipality": "", "locality": "Hwy. 61, 7.5 km S of international border", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}