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": ""}
JERZY RZEDOWSKI g+g!    J. SÃ¡nchez-Ken n 3         dR<  1965-09-29   laxa w  CAV., 1799 . O   21280 P     Aristida r         
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Cav., 1799", "genus": "Aristida", "subgenus": "", "specificEpithet": "laxa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J. S\u00c3\u00a1nchez-Ken", "recordedBy": "Jerzy Rzedowski", "recordNumber": "21280", "verbatimEventDate": "1965-09-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}