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 8>`  Missouri  y=   POALES Ki         CAREX NIGROMARGINATA ~  Paul M. McKenzie kiDw    CYPERACEAE wH |    c  nigromarginata    R[Mr T25N, R11E, NENW1/4 of Sec. 6   2359 - N     U mdc's holly ridge ca, ca. 2.75 mi. ne of the inter. of rts. 60 & 25; t25n, r11e, nenw1/4 of secD. 6; dexter 7.5' quad
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex nigromarginata", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "nigromarginata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Paul M. McKenzie", "recordNumber": "2359", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Missouri", "county": "", "municipality": "", "locality": "MDC's Holly Ridge CA, ca. 2.75 mi. NE of the inter. of Rts. 60 & 25; T25N, R11E, NENW1/4 of Sec. 6; Dexter 7.5' Quad", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "T25N, R11E, NENW1/4 of Sec. 6", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}