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": ""}
  oPM JOHN H. EHLERS & LOIS S. EHLERS ARIZONA VY j    J^C UNITED .STATES ARISTI DA vC    ~a- ADSCENSIONIS  L. hM     1405268 [X4    0 s 1939-04-23  7363 ?z5R>   U- Foothills, Santa Catalina Mountains, north of Tuscon       ARISTIDA ADSCENSIONIS &t@8L   Poaceae Qq 
{"catalogNumber": "1405268", "order": "", "family": "Poaceae", "scientificName": "Aristida adscensionis", "scientificNameAuthorship": "L.", "genus": "Aristida", "subgenus": "", "specificEpithet": "adscensionis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers & Lois S. Ehlers", "recordNumber": "7363", "verbatimEventDate": "1939-04-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arizona", "county": "", "municipality": "", "locality": "Foothills, Santa Catalina Mountains, north of Tuscon", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}