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": ""}
        f K 503    x.j Wolfgang Blum    subsp. Plant kept for four years in U.Mich.Bot. Gardens _>f    9 X (W. O. Moore) Blum & Lange  MEO ECHINOCEREUS ENNEACANTHUS SUBSP. INTERMEDIUS     intermedius /jH  E. U. CLOVER, WINIFRED O. MOORE  W0      
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Echinocereus enneacanthus subsp. intermedius", "scientificNameAuthorship": "(W. O. Moore) Blum & Lange", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "intermedius", "identifiedBy": "Wolfgang Blum", "recordedBy": "E. U. Clover, Winifred O. Moore", "recordNumber": "503", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Plant kept for four years in U.Mich.Bot. Gardens", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}