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": ""}
Canada  R   UTM 19-29-, MAP 1L, SQUARE 22CH12 aB*  newfoundland and0 labrador Dwy         k POALES MICHAEL J. OLDHAM H$         x` CAREX ECHINATA     MURRAY ,ZlO   8B; Cyperaceae     @4% 1996-07-27 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex echinata", "scientificNameAuthorship": "Murray", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "", "verbatimEventDate": "1996-07-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Newfoundland and Labrador", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "UTM 19-29-, Map 1L, Square 22CH12", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}