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": ""}
   echinochloa crus-galli AA    O;K, POALES    18548        rX 1978-08-16 thunder bay !   (L.) P. BEAUV. ]=k[L      3  CRUS-GALLI echinochloa &=6    r contact um herbarium  xUk CLAUDE E. GARTON CANADA [(Y,   ;A,a  ONTARIO 
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Echinochloa crus-galli", "scientificNameAuthorship": "(L.) P. Beauv.", "genus": "Echinochloa", "subgenus": "", "specificEpithet": "crus-galli", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Claude E. Garton", "recordNumber": "18548", "verbatimEventDate": "1978-08-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Thunder Bay", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}