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": ""}
 cellulosa s;@N    POALES x:1X    6E$j ELEOCHARIS CELLULOSA  TEXAS Ae   2007-08-28 tsi  1459632 4Z pb  united states vs$V       CONTACT UM HERBARIUM f   29.72302 Rgk   david j. rosen ;O      O3h -94.23468 4399 < 
{"catalogNumber": "1459632", "order": "Poales", "family": "", "scientificName": "Eleocharis cellulosa", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "cellulosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "David J. Rosen", "recordNumber": "4399", "verbatimEventDate": "2007-08-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "29.72302", "decimalLongitude": "-94.23468", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}