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": ""}
  *sp; 47.372841  b SUBSP.  4E@^X UNITED STATES   K [some basal leaves 3-veined]  howellii  RmK     !G`  At Cliff Mine.   E  michigan  d CANADENSIS ASTERACEAE L    sn u Keweenaw   y (GREENE) R. J. BAYER  =3G2 Asterales     Antennaria Y  2980 e    
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "(Greene) R. J. Bayer", "genus": "Antennaria", "subgenus": "", "specificEpithet": "howellii", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "canadensis", "identifiedBy": "", "recordedBy": "", "recordNumber": "2980", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "[some basal leaves 3-veined]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "At Cliff Mine.", "decimalLatitude": "47.372841", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}