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": ""}
c4rex km<   canada +l    7> wahlenb. POALES =O>   z 18721  BUXBAUMII ,   ontario -qGM    UTM 676307, MAP 52B/2, SQUARE 15XD63 iE      & 1996-06-27  Carex buxbaumii 5u  1364909  *,   _: Cyperaceae     
{"catalogNumber": "1364909", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex buxbaumii", "scientificNameAuthorship": "Wahlenb.", "genus": "Carex", "subgenus": "", "specificEpithet": "buxbaumii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "18721", "verbatimEventDate": "1996-06-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "UTM 676307, Map 52B/2, Square 15XD63", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}