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": ""}
46.464233    poaceae @p  Canada | C(T  Ontario      >D| sandy plains poales  =  18 >y/    KG (L.) DREJER flexuosa 2     po`i -84.472586     schoolcraft expedition to the source of the mississipi river [coordinates arbitrarily placed along the st. maryâs rivershore at point aux pins] na0081078 RkMI   1831-06 mZ9    )f algoma avenella = y  DOUGLASS HOUGHTON ;eCN     !wy9  AVENELLA FLEXUOSA  1337739 yB=  POINT AUX PINS, ST. MARY'S RIVER, WEST [OF SAULT STEZ. MARIE b   
{"catalogNumber": "1337739", "order": "Poales", "family": "Poaceae", "scientificName": "Avenella flexuosa", "scientificNameAuthorship": "(L.) Drejer", "genus": "Avenella", "subgenus": "", "specificEpithet": "flexuosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Douglass Houghton", "recordNumber": "18", "verbatimEventDate": "1831-06", "habitat": "Sandy plains", "occurrenceRemarks": "Schoolcraft Expedition to the Source of the Mississippi River [Coordinates arbitrarily placed along the St. Mary\u00e2\u0080\u0099s River shore at Point Aux Pins] NA0081078", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Algoma", "municipality": "", "locality": "Point aux Pins, St. Mary's River, west of Sault Ste. Marie", "decimalLatitude": "46.464233", "decimalLongitude": "-84.472586", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}