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 vlk     uDU  LOCALIDAD SIN NOMBRE (ALEJANDRO TORRES); 44 MI W OF C. DURANGO, ON HWY TO EL SALTO, ARROYO MIMBRES  7553 ?E  (Schult. & Schult. f.) Cruden qQq     asparagales /Q Qp    echeandia flavescens 9m=`J  1951-08-29 WTN|   c( SPARSELY WOODED GRASSLANDS  elh 1143384 -105.326 v_J]t  FLAVESCENS i     Asparagaceae   6m 23.8317 MEXICO  ZU ^  JAMES H. MAYSILLES !|kh   c  Echeandia 
{"catalogNumber": "1143384", "order": "Asparagales", "family": "Asparagaceae", "scientificName": "Echeandia flavescens", "scientificNameAuthorship": "(Schult. & Schult. f.) Cruden", "genus": "Echeandia", "subgenus": "", "specificEpithet": "flavescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R.W. Cruden", "recordedBy": "James H. Maysilles", "recordNumber": "7553", "verbatimEventDate": "1951-08-29", "habitat": "Sparsely wooded grasslands", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Localidad Sin Nombre (Alejandro Torres); 44 mi W of C. Durango, on hwy to El Salto, Arroyo Mimbres", "decimalLatitude": "23.8317", "decimalLongitude": "-105.326", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}