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": ""}
CHARLES A. DAVIS J    | UNITED STATES     H flexuosa MARQUETTE Ku3V  46.543544 gQ_ M  Poaceae 9HjV  marquette X S?   S.N. l  AVENELLA 2g Z   Avenella flexuosa (+   Br)g Michigan    q POALES -87.395417 H    e (L.) Drejer 1906-07-21 ^]   in sandy soil and road crevices, common     
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Avenella flexuosa", "scientificNameAuthorship": "(L.) Drejer", "genus": "Avenella", "subgenus": "", "specificEpithet": "flexuosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles A. Davis", "recordNumber": "s.n.", "verbatimEventDate": "1906-07-21", "habitat": "in sandy soil and road crevices, common", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Marquette", "municipality": "", "locality": "Marquette", "decimalLatitude": "46.543544", "decimalLongitude": "-87.395417", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}