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": ""}
  ie 1991-0-12    aBC 46.47058   Rw?b (l.) r. m. king & h. rob.    V ne1/4 nw1/4 sec.13 t47n-r19w. grand island.     ALGER g:  1249499 #  united states %;   ageratina bvZa    pG ALTISSIMA     # growing in woods on and below wet seepy cliff. ASTERALES OR   ?b DON HENSON    C=./A ageratina altissima  Asteraceae y? 
{"catalogNumber": "1249499", "order": "Asterales", "family": "Asteraceae", "scientificName": "Ageratina altissima", "scientificNameAuthorship": "(L.) R. M. King & H. Rob.", "genus": "Ageratina", "subgenus": "", "specificEpithet": "altissima", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Don Henson", "recordNumber": "", "verbatimEventDate": "1991-09-12", "habitat": "Growing in woods on and below wet seepy cliff.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Alger", "municipality": "", "locality": "NE1/4 NW1/4 Sec.13 T47N-R19W. Grand Island.", "decimalLatitude": "46.47058", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}