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": ""}
(schreb.) schreb. ex muhl. /     V ischaemum    1212642     ye Oliver A. Farwell Oakland 3   ($I DIGITARIA ISCHAEMUM 1925-09-09   (     Farmington Junction cx`    poales <HxC  michigan T:?   . 7632 42.46448 zus/  POACEAE zwJ   UNITED STATES _q5QJ  DIGITARIA +      [Am. Midl. Nat. 10:23] 
{"catalogNumber": "1212642", "order": "Poales", "family": "Poaceae", "scientificName": "Digitaria ischaemum", "scientificNameAuthorship": "(Schreb.) Schreb. ex Muhl.", "genus": "Digitaria", "subgenus": "", "specificEpithet": "ischaemum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "7632", "verbatimEventDate": "1925-09-09", "habitat": "", "occurrenceRemarks": "[Am. Midl. Nat. 10:23]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Oakland", "municipality": "", "locality": "Farmington Junction", "decimalLatitude": "42.46448", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}