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": ""}
 m. j. oldham g__>  1991-05-20 [  ALISMATALES v0n  Arisaema triphyllum subsp. triphyllum %|b&h   B Clay floodplain woods of Sydenham River    dXH 12481 ARISAEMA Q42J.  MIDDLESEX 9%f   u*&>A METCALFE TOWNSHIP, SYDENHAM RIVER SW OF STRATHROY SEWAGE LAGO0NS, 3.3 KM SW OF STRATHROW P.O., UTM 462542, MAP 40I/13, SQUARE 17MT45   d~=0! Canada 1004956  Q   triphyllum E  subsp. E)J   (l.) schott 64     + ARACEAE  I Ontario   triphy?llum Jj 
{"catalogNumber": "1004956", "order": "Alismatales", "family": "Araceae", "scientificName": "Arisaema triphyllum subsp. triphyllum", "scientificNameAuthorship": "(L.) Schott", "genus": "Arisaema", "subgenus": "", "specificEpithet": "triphyllum", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "triphyllum", "identifiedBy": "", "recordedBy": "M. J. Oldham", "recordNumber": "12481", "verbatimEventDate": "1991-05-20", "habitat": "Clay floodplain woods of Sydenham River", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Middlesex", "municipality": "", "locality": "Metcalfe Township, Sydenham River SW of Strathroy Sewage Lagoons, 3.3 km SW of Strathrow P.O., UTM 462542, MAP 40I/13, Square 17MT45", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}