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": ""}
1648017 Xx  (cl.presl) christenson =<=V   C. A. Purpus  _Y7M    #Y]l BARKERIA ON TREES OPEN FORESTS <   AR 4 Mexico    1933-04 tVyd        ]yX Barkeria obovata  obovata UN        
{"catalogNumber": "1648017", "order": "", "family": "", "scientificName": "Barkeria obovata", "scientificNameAuthorship": "(C.Presl) Christenson", "genus": "Barkeria", "subgenus": "", "specificEpithet": "obovata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. A. Purpus", "recordNumber": "", "verbatimEventDate": "1933-04", "habitat": "On trees open forests", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}