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": ""}
penstemon digitalis uRJ6g     rg5@ 1964-07-18  E  F United States     SU george l. burrows iv      E%unU Jerome Twp. Sec. 14   hS -84.39824 DIGITALIS O  borrow pit 3   ;NKO; PLANTAGINACEAE 43.6905 jO6D    x: 4 michigan  ,  PENSTEMON      6( MIDLAND
{"catalogNumber": "", "order": "", "family": "Plantaginaceae", "scientificName": "Penstemon digitalis", "scientificNameAuthorship": "", "genus": "Penstemon", "subgenus": "", "specificEpithet": "digitalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Burrows IV", "recordNumber": "", "verbatimEventDate": "1964-07-18", "habitat": "Borrow Pit", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Midland", "municipality": "", "locality": "Jerome Twp. Sec. 14", "decimalLatitude": "43.6905", "decimalLongitude": "-84.39824", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}