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": ""}
 ;7PB amaranthus retroflexus  * amaranthus  6pw0 united states retroflexus     120784 tP,-1   s.n. N       ]Dgy NEBRASKA       COMTACT UM HERBARIUM  1930-08 WB     !  L. M.R. GILMORE Z=t[      )_<  Caryophyllales  m 4maranthaceae
{"catalogNumber": "1207584", "order": "Caryophyllales", "family": "Amaranthaceae", "scientificName": "Amaranthus retroflexus", "scientificNameAuthorship": "L.", "genus": "Amaranthus", "subgenus": "", "specificEpithet": "retroflexus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M.R. Gilmore", "recordNumber": "s.n.", "verbatimEventDate": "1930-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Nebraska", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}