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": ""}
arkansas  PG    blanda  + ]&         J*jv  POALES              H motgomery CAREX BLANDA  (bq   nf| 1 mi. e cox springs along caddo river; n of ar hwy 8, se 1/4 sect. 25, r27w, t3s.  7p S4280  sW UNITED STATES
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Carex blanda", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "blanda", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4280", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Montgomery", "municipality": "", "locality": "1 mi. e Cox Springs along Caddo River; n of AR Hwy 8, se 1/4 Sect. 25, R27W, T3S.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}