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": ""}
Rhynchospora B7Y   a)yQ@ Rhynchospora glomerata  @M 960720.38      %  y 1996-07-20    (l.) vahl $a8j    9p`z united states    E5 CALVERT      @T-!o glomerata 1400287 +R   zO! BRENT W. STEURY    v=O Poales
{"catalogNumber": "1400287", "order": "Poales", "family": "", "scientificName": "Rhynchospora glomerata", "scientificNameAuthorship": "(L.) Vahl", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "glomerata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Brent W. Steury", "recordNumber": "960720.38", "verbatimEventDate": "1996-07-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Calvert", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}