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": ""}
  o rt  2868 ontonagon       1950-05-28  +m|w    D^l*M (GREENE) R. J. BAYER  Porcupine Mts. n@   46.76661 [   $%k canadensis   m subsp.  d],! asterales ANTENNARIA HOWELLII SUBSP. CANADENSIS P      BH -89.75016   og Ji michigan ASTERACEAE 6CV   ROCKY RIDGE NORTH OF MAIN ROAD _   8 1249858  Aa ANTENNARIA howellii .-(  united states _ 7*~ 
{"catalogNumber": "1249858", "order": "Asterales", "family": "Asteraceae", "scientificName": "Antennaria howellii subsp. canadensis", "scientificNameAuthorship": "(Greene) R. J. Bayer", "genus": "Antennaria", "subgenus": "", "specificEpithet": "howellii", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "canadensis", "identifiedBy": "", "recordedBy": "", "recordNumber": "2868", "verbatimEventDate": "1950-05-28", "habitat": "Rocky ridge north of main road", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ontonagon", "municipality": "", "locality": "Porcupine Mts.", "decimalLatitude": "46.76661", "decimalLongitude": "-89.75016", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}