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": ""}
 UNITED STATES E  -86.66953 ^     ASTERALES  +_:y An7on A. Reznicek 8821 >g.    STRIGOSUS *w yK       Moist, flat rocks along shore at base of very low and irregular shore cliffs. O>* 4   1253887 ;   Erigeron k  ASTERACEAE C>@g>    uSyo Michigan 146.47085 7  Muhl. ex Willd.      NZ^K  1991-07-08 alger N   t   "SCARCE, RAYS WHITE."
{"catalogNumber": "1253887", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "Erigeron", "subgenus": "", "specificEpithet": "strigosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "8821", "verbatimEventDate": "1991-07-08", "habitat": "Moist, flat rocks along shore at base of very low and irregular shore cliffs.", "occurrenceRemarks": "\"Scarce, rays white.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Alger", "municipality": "", "locality": "", "decimalLatitude": "46.47085", "decimalLongitude": "-86.66953", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}