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": ""}
  y8 euphorbia euphorbiaceae g*D  Euphorbia polyphylla  x   polyphylla u  1894 s@     FLORIDA 1:   MIAMI-DADE $yF   /-5c United States      501 d ^e1       y=c KI-RYONG PARK  T ENGELM. EX HOLZ.  
{"catalogNumber": "", "order": "", "family": "Euphorbiaceae", "scientificName": "Euphorbia polyphylla", "scientificNameAuthorship": "Engelm. ex Holz.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "polyphylla", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Ki-Ryong Park", "recordedBy": "", "recordNumber": "501", "verbatimEventDate": "1894", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "Miami-Dade", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}