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": ""}
ischaemum @ .[E   BYF newaygo United States  S     MICHIGAN   Y 8   Poales   (_GsK M292    "abundant..., forming flat mats." /j  1947-09-20 Zyg    (Schreb.) Schreb. ex Muhl. bxlK     G_B;5 Big Prairie Desert  K!?x 43.51863    =k<am digitaria ischaemum   -85.64255 _-1   
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Digitaria ischaemum", "scientificNameAuthorship": "(Schreb.) Schreb. ex Muhl.", "genus": "", "subgenus": "", "specificEpithet": "ischaemum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "M292", "verbatimEventDate": "1947-09-20", "habitat": "", "occurrenceRemarks": "\"abundant..., forming flat mats.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Newaygo", "municipality": "", "locality": "Big Prairie Desert", "decimalLatitude": "43.51863", "decimalLongitude": "-85.64255", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}