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": ""}
  + |450881 albonigra V   Cyperaceae Az/Dr     c80   Washington CAREX ALBONIGRA _l     4%Vc united states   F carex  poales 2r?X   25765 xh<W4      mackenzie <   peter f. zika & f. weinmann Ha D   Contact UM Herbarium 1y 
{"catalogNumber": "1450881", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex albonigra", "scientificNameAuthorship": "Mackenzie", "genus": "Carex", "subgenus": "", "specificEpithet": "albonigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Peter F. Zika & F. Weinmann", "recordNumber": "25765", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Washington", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}