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": ""}
 b. van ee R:          b>Y united states  ^po coryell   hwx VAR.   . CROTON  QnIG 2003-03-16  2  3% -97.6100667 ALABAMENSIS G 9  euphorbiaceae >Tpk#   texensis )E  31.2287333 `Yj    # I^  1543091 346 ~Q[  texas e~D~  MALPIGHIALES oso    ;De!G croton alabamensis var. texensis
{"catalogNumber": "1543091", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton alabamensis var. texensis", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "alabamensis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "texensis", "identifiedBy": "", "recordedBy": "B. van Ee", "recordNumber": "346", "verbatimEventDate": "2003-03-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Coryell", "municipality": "", "locality": "", "decimalLatitude": "31.2287333", "decimalLongitude": "-97.6100667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}