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": ""}
42.31438 iUN0    dan j. skean, jr. 7fE       ; Calhoun -84.81651 CMC|  1469506 DIya  caryophyllale5 .f/;      Rumex Y54     k Rich woods with Acer saccharum, A. saccharinum, A. rubrum, Tilia americana, Fagus grandiolia, Quercus spp., Liriodendron tulipifera.      eTxD UNITED STATES 2627 s6i  1990-05-25 P 
{"catalogNumber": "1469506", "order": "Caryophyllales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Rumex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dan J. Skean, Jr.", "recordNumber": "2627", "verbatimEventDate": "1990-05-25", "habitat": "Rich woods with Acer saccharum, A. saccharinum, A. rubrum, Tilia americana, Fagus grandifolia, Quercus spp., Liriodendron tulipifera.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Calhoun", "municipality": "", "locality": "", "decimalLatitude": "42.31438", "decimalLongitude": "-84.81651", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}