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": ""}
 scattered in shaded arroyos (>~Z   jx betulifolia CORNELIUS H. MULLER I     -f UNITED ST4TES    ? 8296    =y 0 1945-07-17  FRANGULA BETULIFOLIA PCl )  texas C-C    RHAMNACEAE K2   ROSALES +   TZ 1431837     E)opA Culberson   +9^5x (greene) v. grub.
{"catalogNumber": "1431837", "order": "Rosales", "family": "Rhamnaceae", "scientificName": "Frangula betulifolia", "scientificNameAuthorship": "(Greene) V. Grub.", "genus": "", "subgenus": "", "specificEpithet": "betulifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cornelius H. Muller", "recordNumber": "8296", "verbatimEventDate": "1945-07-17", "habitat": "Scattered in shaded arroyos", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Culberson", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}