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": ""}
  mexico zv$g^    f rhynchospora cephalotes     = CEPHALOTES    Cyperaceae nVC^   OY  ernest r. sohns  vahl Wr Q    x 1955-03-17     -91.3387 eo      Gf0 1137073  
{"catalogNumber": "1137073", "order": "", "family": "Cyperaceae", "scientificName": "Rhynchospora cephalotes", "scientificNameAuthorship": "Vahl", "genus": "", "subgenus": "", "specificEpithet": "cephalotes", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ernest R. Sohns", "recordNumber": "", "verbatimEventDate": "1955-03-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-91.3387", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}