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": ""}
  g> Holosteum   v- [ douglas 1992-04-17 TQ!  caryophyllales .5n   s.n. 50v^B     omaha; south of westroads shopping mall, north of west dodge road  M8 HA Holoseum umbellatum   e UNITED S7ATES NEBRASKA W$Muq    p traffic island   qW Barbara L. Wilson 1564743 `     CARYOPHYLLACEAE f!um  common & widespread w9/b    umbellatum  -U  
{"catalogNumber": "1564743", "order": "Caryophyllales", "family": "Caryophyllaceae", "scientificName": "Holosteum umbellatum", "scientificNameAuthorship": "", "genus": "Holosteum", "subgenus": "", "specificEpithet": "umbellatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Barbara L. Wilson", "recordNumber": "s.n.", "verbatimEventDate": "1992-04-17", "habitat": "Traffic island", "occurrenceRemarks": "common & widespread", "associatedTaxa": "", "country": "United States", "stateProvince": "Nebraska", "county": "Douglas", "municipality": "", "locality": "Omaha; south of Westroads Shopping Mall, north of West Dodge Road", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}