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": ""}
  hg r phaeocephalus    K4%5 1453971    United States v  JUNCACEAE 6.           ENGELM.   p# jncus phaeocephalus var. phaeocephalus  CALIFORNIA j    A var.   Z0s8 PHAEOGEPHALUS   / contact um herbarium JUNCUS if+k  POALES g 
{"catalogNumber": "1453971", "order": "Poales", "family": "Juncaceae", "scientificName": "Juncus phaeocephalus var. phaeocephalus", "scientificNameAuthorship": "Engelm.", "genus": "Juncus", "subgenus": "", "specificEpithet": "phaeocephalus", "verbatimTaxonRank": "var.", "infraspecificEpithet": "phaeocephalus", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}