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": ""}
3862 wU-E   = colona  )A4W4 POACEAE  echinochloa colona CGu  (L.) LINK , [s  Poales P`FiL    (^ 1929-08-11    Yx Maricopa Ira L. Wiggins rvQf    6U echinochloa  sbg UNITED STATES       arizona ?   i&Ya6 1411472   CONTACT UM HERBARIUM 4K   
{"catalogNumber": "1411472", "order": "Poales", "family": "Poaceae", "scientificName": "Echinochloa colona", "scientificNameAuthorship": "(L.) Link", "genus": "Echinochloa", "subgenus": "", "specificEpithet": "colona", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ira L. Wiggins", "recordNumber": "3862", "verbatimEventDate": "1929-08-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arizona", "county": "Maricopa", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}