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": ""}
42.47582 a  malpighiales M  k   john h. ehlers 7 f   PUBESCENS v    + @rM Viola  G michigan    FD harvey e. ballard, jr.  oW~%e 1918-05-19  ,I1352618  681 y4   0F/ -83.828397 VIOLA PUBESCENS VAR. PUBECENS /   U SANDY SOIL IN OAK WOODS winant's lake     ~t LIVINGSTO  1 Violaceae pubescens :  var.  ] b     ZeQ UNITED STATES
{"catalogNumber": "1352618", "order": "Malpighiales", "family": "Violaceae", "scientificName": "Viola pubescens var. pubescens", "scientificNameAuthorship": "", "genus": "Viola", "subgenus": "", "specificEpithet": "pubescens", "verbatimTaxonRank": "var.", "infraspecificEpithet": "pubescens", "identifiedBy": "Harvey E. Ballard, Jr.", "recordedBy": "John H. Ehlers", "recordNumber": "681", "verbatimEventDate": "1918-05-19", "habitat": "sandy soil in oak woods", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "Winant's Lake", "decimalLatitude": "42.47582", "decimalLongitude": "-83.828397", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}