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": ""}
 `3 Poales     r`~ SAMUEL H. CAMP & DONNA R. CAMP    CANADENSIS K N*    ?W8 w ARETHUSA SAMP [NEAR lCLARK'S LAKE]     < UNITED STATES  4?1 T 42.121   Q. 4 J. GAY EX LAHARPE  S.N. `    N k3 1893-08-13 -84.34657 _?Ug=   > JUNCUS ANTON A. REZNICEK +q   G juncus canadensis 
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Juncus canadensis", "scientificNameAuthorship": "J. Gay ex Laharpe", "genus": "Juncus", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Samuel H. Camp & Donna R. Camp", "recordNumber": "s.n.", "verbatimEventDate": "1893-08-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Arethusa Swamp [near Clark's Lake]", "decimalLatitude": "42.121", "decimalLongitude": "-84.34657", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}