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": ""}
Washtenaw   X    U cernua   United States 2   BIDENS CERNUA oBN  EDGE OF SWAgMP F    6$1; bidens    asteraceae   f  SPEECHLER'S WOODS, ANN ARBOR    _gO michigan    L. `Ok/l   4_xt 42.267467   1252198 cDP k  -83.698626  s@T   
{"catalogNumber": "1252198", "order": "", "family": "Asteraceae", "scientificName": "Bidens cernua", "scientificNameAuthorship": "L.", "genus": "Bidens", "subgenus": "", "specificEpithet": "cernua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "Edge of swamp", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Speechler's Woods, Ann Arbor", "decimalLatitude": "42.267467", "decimalLongitude": "-83.698626", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}