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": ""}
    i7f  PCoales  *kP8 CONTACT UM HERBARIUM   page 9   fR Y4 A. Gr<ay   ZIj calamagrostis Poaceae      p PORTERI 1945-07-15 H9   n?gH 524  VIRGINIA 2YG     R. C.Y. CHO c   1408682 p   L^ ;B UNITED STATES  
{"catalogNumber": "1408682", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "A. Gray", "genus": "Calamagrostis", "subgenus": "", "specificEpithet": "porteri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. C.Y. Chou", "recordNumber": "524", "verbatimEventDate": "1945-07-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "Page", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}