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": ""}
  Mm  sandy field   1947-09-20 D8oh_   Scribn. & Merr. 1U   POACEAE `j   Calamovilfa F&K     -85.64255 k8&      GjT william b. drew    Ya newaygo 1005767 F!       5T< longifolia 
{"catalogNumber": "1005767", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "Scribn. & Merr.", "genus": "Calamovilfa", "subgenus": "", "specificEpithet": "longifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William B. Drew", "recordNumber": "", "verbatimEventDate": "1947-09-20", "habitat": "sandy field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Newaygo", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-85.64255", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}