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": ""}
Petasites  N   petasites frigidus va:r. palmatus q     15030 ~g        q3Q | UNITED STATES  k 1979-06-18    R=`a| Michigan frigidus 7v1  var.  R4    9j||K Asteraeae  X (AITON) CRONQUIST        -83.66667 SPG:L 
{"catalogNumber": "", "order": "", "family": "Asteraceae", "scientificName": "Petasites frigidus var. palmatus", "scientificNameAuthorship": "(Aiton) Cronquist", "genus": "Petasites", "subgenus": "", "specificEpithet": "frigidus", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "15030", "verbatimEventDate": "1979-06-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-83.66667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}