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": ""}
Cyperaceae NH  1396244 &      castanea f Mh4   (michx.) vahl      OV cameron 1933-03-31 [xmX  771  p|g>   &T TEXAS  UNITED STATES 2L   Fimbristylis castanea +   Fimbristylis A>    Lower Rio Grande Valley, Boca Chica. 5  POALES     0Eyt E.U. Clover   
{"catalogNumber": "1396244", "order": "Poales", "family": "Cyperaceae", "scientificName": "Fimbristylis castanea", "scientificNameAuthorship": "(Michx.) Vahl", "genus": "Fimbristylis", "subgenus": "", "specificEpithet": "castanea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E.U. Clover", "recordNumber": "771", "verbatimEventDate": "1933-03-31", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Cameron", "municipality": "", "locality": "Lower Rio Grande Valley, Boca Chica.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}