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": ""}
     pF6K 2034  poaceae *[   -83.662835 r   BROMUS TECTORUM V     u Bromus  w* POALES  j-Bvz michigan   ; UNITED STATES   oxvW Anton A. Reznicek   ZJ universityw of michigan botamical gardens, dixboro site, 4.5 mi;. northeast of ann arbor. open field at s end of gardens near swampy thicket.   O] 1960-06-15  UaQe washtenaw   
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus tectorum", "scientificNameAuthorship": "", "genus": "Bromus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "2034", "verbatimEventDate": "1960-06-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "University of Michigan Botanical Gardens, Dixboro Site, 4.5 mi. northeast of Ann Arbor. Open field at S end of Gardens near swampy thicket.", "decimalLatitude": "", "decimalLongitude": "-83.662835", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}