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 Iw4   helianthoides x~       Robert J. VandeKopple  e   Heliopsis #   (l.) sweet B;J   8?# DELTA  ^ 356       A Heliopsis helianthoides   /^n ASTERACE4E    125358  gPA  ABUNDAN ALONG SIDES OF I-18 WITH PHLEUM PRATENSE, AGROPYRON REPENS, AND ARCTIUM MINUS. /QG8 
{"catalogNumber": "1254358", "order": "", "family": "Asteraceae", "scientificName": "Heliopsis helianthoides", "scientificNameAuthorship": "(L.) Sweet", "genus": "Heliopsis", "subgenus": "", "specificEpithet": "helianthoides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert J. VandeKopple", "recordNumber": "356", "verbatimEventDate": "", "habitat": "Abundant along sides of I-18 with Phleum pratense, Agropyron repens, and Arctium minus.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Delta", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}