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": ""}
   1831-08-01 ij     ASTERACEAE   laA      A k 1w480477 united states :  strigosus s|u  douglass houghton   N   w dry prairie anton a. reznicek Ull   0 BURNET7 Wicon5in fRx)r  Asterales +n     fi ERIGEAON STRIGOSUS Erigeron     TZr  YELOW RIVER, 200 MILES NWOFLAKE SUPERIOR   _`K Muhl. ex Willd.  
{"catalogNumber": "1480477", "order": "Asterales", "family": "Asteraceae", "scientificName": "Erigeron strigosus", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "Erigeron", "subgenus": "", "specificEpithet": "strigosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Douglass Houghton", "recordNumber": "", "verbatimEventDate": "1831-08-01", "habitat": "Dry prairie", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Wisconsin", "county": "Burnett", "municipality": "", "locality": "Yellow River, 200 miles NW of Lake Superior", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}