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": ""}
 I JUNCUS kuskokwim river valley, in army erosion plots. 4    Y8y? arcticus  ,+#+ juncaceae BETHEL X  Alaska m    72 ;   6c 1458383  Juncus arcicus  uZ  1948-07-06 ._# H     0 United States         Poales c  
{"catalogNumber": "1458383", "order": "Poales", "family": "Juncaceae", "scientificName": "Juncus arcticus", "scientificNameAuthorship": "", "genus": "Juncus", "subgenus": "", "specificEpithet": "arcticus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "72", "verbatimEventDate": "1948-07-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "Bethel", "municipality": "", "locality": "Kuskokwim River Valley, in army erosion plots.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}