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": ""}
1842 VC  CLINTON  +        contact um herbarium I^   !O9C6 viola striata  zR|S8 VIOLA  Violaceae  R     ~ 150709 United States /Oq    : MALPIGHIALES   6 N0- mcminn  s.n. r%   1 5n STRIATA aiton 4i  PENNSYLVANIA +czgG  
{"catalogNumber": "1507509", "order": "Malpighiales", "family": "Violaceae", "scientificName": "Viola striata", "scientificNameAuthorship": "Aiton", "genus": "Viola", "subgenus": "", "specificEpithet": "striata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "McMinn", "recordNumber": "s.n.", "verbatimEventDate": "1842", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Pennsylvania", "county": "Clinton", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}