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": ""}
OPUNTIA PHAEACANTHA /ws     ! G MARGERY S. ANTHONY     1644407    J<m in dagger flats, big bend nat. park  @_5i caryophyllales   TEXAS bdL      $W? 975     = 865 phaeacantha  _     ENGELM. v J;f   -lRZP UNITED STATES   
{"catalogNumber": "1644407", "order": "Caryophyllales", "family": "", "scientificName": "Opuntia phaeacantha", "scientificNameAuthorship": "Engelm.", "genus": "", "subgenus": "", "specificEpithet": "phaeacantha", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Margery S. Anthony", "recordNumber": "865", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "in Dagger Flats, Big Bend Nat. Park", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "975", "maximumElevationInMeters": ""}