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": ""}
1999-07-12 UhsF   Maryland  [xv  Carex vulpinoidea QP`  PRINCE GEORGE'S 7B   j vulpinoidea        ).R Carex   MARK T. STRONG wq    h united states    S michx. W side of short tributary draining into Paint Branch, just inside E boundary, along perimeter road, of US Naval Ordnance Lab, 0.15 mi W of Powder Mill Road MD Rt 212), 2.4 mi duge W of Beltsville (US-1). 4b    1952 /dh$     CYPERACEAE  n  
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex vulpinoidea", "scientificNameAuthorship": "Michx.", "genus": "Carex", "subgenus": "", "specificEpithet": "vulpinoidea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mark T. Strong", "recordNumber": "1952", "verbatimEventDate": "1999-07-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maryland", "county": "Prince George's", "municipality": "", "locality": "W side of short tributary draining into Paint Branch, just inside E boundary, along perimeter road, of US Naval Ordnance Lab, 0.15 mi W of Powder Mill Road (MD Rt 212), 2.4 mi due W of Beltsville (US-1).", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}