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": ""}
 ~h  (GRAY) FERN. UNDULATUM ot]     ,j]sw texas    Cirsium Y*l   megacephalum Od5le   EULA WHITEHOUSE _@E  var. x   0 1442320   A> Cirsium undulatum var. megacephalum    ~>P asteraceae   oE United States  7 Contact UM Herbarium Asterales (m     x7 10082
{"catalogNumber": "1442320", "order": "Asterales", "family": "Asteraceae", "scientificName": "Cirsium undulatum var. megacephalum", "scientificNameAuthorship": "(Gray) Fern.", "genus": "Cirsium", "subgenus": "", "specificEpithet": "undulatum", "verbatimTaxonRank": "var.", "infraspecificEpithet": "megacephalum", "identifiedBy": "", "recordedBy": "Eula Whitehouse", "recordNumber": "10082", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}