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": ""}
  1256258 q   ich woods witb acer saccharum, a. saccharinum, a. rubrum, tilia americana, fagus grandifolia, quercus spp., liriodendron tulipifera. UmT        ` CALHOUN DAN J. SKEAN, JR. Ngp     l.  2v b    j P0  42.31438   j8+v 2370       u united states  g RUDBECKIA
{"catalogNumber": "1256258", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Rudbeckia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dan J. Skean, Jr.", "recordNumber": "2370", "verbatimEventDate": "", "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": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}