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": ""}
1957-06-13 CpU   ,No^  along moist shaded logging trail 1352574 R J?,    (SCHWEIN.) N.H.RUSSELL 604 U1  hough7on inv6  46.8063 2Lyi   _AH*D -88.7021  pS6 limestone mountain   __ VIOLA VAR. 9H    5 UNITED STATES michigan J9@   Hf1K eriocarpa HARVEY E. BALLARD, JR. :    IK VIOLACEAE VIOLA PUBESCENS VAR. 3RIOCARPA pR=<   4N Malpighiales    peter a. hyypio 4a   lDp pubescens    l*S>/ [APPROACHING VAR. PUBESCENS - HEB] 
{"catalogNumber": "1352574", "order": "Malpighiales", "family": "Violaceae", "scientificName": "Viola pubescens var. eriocarpa", "scientificNameAuthorship": "(Schwein.) N.H.Russell", "genus": "Viola", "subgenus": "", "specificEpithet": "pubescens", "verbatimTaxonRank": "var.", "infraspecificEpithet": "eriocarpa", "identifiedBy": "Harvey E. Ballard, Jr.", "recordedBy": "Peter A. Hyypio", "recordNumber": "604", "verbatimEventDate": "1957-06-13", "habitat": "along moist shaded logging trail", "occurrenceRemarks": "[approaching var. pubescens - HEB]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "Limestone Mountain", "decimalLatitude": "46.8063", "decimalLongitude": "-88.7021", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}