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": ""}
  _` PALUDIGENA   <4p1z Cuba E. L. Ekman U )Y  poaceae >w#So[   yo7* 1120906  | Wiegand CONTACT UM HERBARIUM q([V3    . 1923-02-18   ECHINOCHLOA :c  poales AAL2       L 16308      k ECHINOCHLOA PALUDIGENA  
{"catalogNumber": "1120906", "order": "Poales", "family": "Poaceae", "scientificName": "Echinochloa paludigena", "scientificNameAuthorship": "Wiegand", "genus": "Echinochloa", "subgenus": "", "specificEpithet": "paludigena", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. L. Ekman", "recordNumber": "16308", "verbatimEventDate": "1923-02-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Cuba", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}