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": ""}
contact um herbarium :A       1982-09-18 VGSD   sporobolus compositus Gg  m. j. oldham =+b  poaceae 6  (POIR.) MERR. U+/p  SPOROBOLUS       Z 1424642 POALE5 D_V-T   compositus        CANADA 1uq  essex q  3329  |uD1  
{"catalogNumber": "1424642", "order": "Poales", "family": "Poaceae", "scientificName": "Sporobolus compositus", "scientificNameAuthorship": "(Poir.) Merr.", "genus": "Sporobolus", "subgenus": "", "specificEpithet": "compositus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. J. Oldham", "recordNumber": "3329", "verbatimEventDate": "1982-09-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "Essex", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}