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": ""}
1909-08-13 MY;m   < N. Desoulavi  Z Prov. Chabarovsk, in arenosis ad ripam fl. Amur propeC opp. Chabarovsk         no data = Q  digitaria ischaemum JP    (schreb.) schreb. ex muhl. 8S9G       N0 DIGITARIA  poaceae S im2   ExlF ischaemum   
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Digitaria ischaemum", "scientificNameAuthorship": "(Schreb.) Schreb. ex Muhl.", "genus": "Digitaria", "subgenus": "", "specificEpithet": "ischaemum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "N. Desoulavi", "recordNumber": "", "verbatimEventDate": "1909-08-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "no data", "municipality": "", "locality": "Prov. Chabarovsk, in arenosis ad ripam fl. Amur prope opp. Chabarovsk", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}