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": ""}
 CATALPA P Y   6bu CATALPA SPECIOSA        wTx| lamiales  GRZf michigan  vicinity of ypsil anti, bowen's yard    (WARDER) WARDER EX ENGELM. 0 +   speciosa y3 yr    UMITED STATES  Li =     ,GYfT 1924-07-06   NLJ? s.n. Nathan A. Harvey 7Ef  1540638 U=  
{"catalogNumber": "1540638", "order": "Lamiales", "family": "", "scientificName": "Catalpa speciosa", "scientificNameAuthorship": "(Warder) Warder ex Engelm.", "genus": "Catalpa", "subgenus": "", "specificEpithet": "speciosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Nathan A. Harvey", "recordNumber": "s.n.", "verbatimEventDate": "1924-07-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Vicinity of Ypsilanti, Bowen's Yard", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}