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": ""}
 walter |   1961-09-25 ux:9    xx=49 1128357         GUATEMALA <oO$a    poaceae (@X  paspalum [^;  2967 U]  paniculatum 5K    ! paspalum paniculatum   Elias Contreras S  / 
{"catalogNumber": "1128357", "order": "", "family": "Poaceae", "scientificName": "Paspalum paniculatum", "scientificNameAuthorship": "Walter", "genus": "Paspalum", "subgenus": "", "specificEpithet": "paniculatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Elias Contreras", "recordNumber": "2967", "verbatimEventDate": "1961-09-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Guatemala", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}