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": ""}
 r.w. cruden  .6   Mexico >fd50   W-h-L ALFRED F. WHITING   23.1273 NP6    asparagales 3mgNS     Charcas; Charcas ~1#G    r4 (SCHULT. & SCHULT. F.) CRUDEN    Iue Asparagaceae       lm 1934-07    I Echeanda
{"catalogNumber": "", "order": "Asparagales", "family": "Asparagaceae", "scientificName": "", "scientificNameAuthorship": "(Schult. & Schult. f.) Cruden", "genus": "Echeandia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R.W. Cruden", "recordedBy": "Alfred F. Whiting", "recordNumber": "", "verbatimEventDate": "1934-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Charcas; Charcas", "decimalLatitude": "23.1273", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}