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": ""}
 Canada x.q     79E pusillu5  POTAMOGETONACEAE Tyc    ONTARIO h7N_   alismatales 9e    # Potamogeton JOHN K. MORTON & JOAN M. VENN L>Dd         M aS pusillus    = potamogeton pusillus subsp. pusillus 1441245 I  Contact UM Herbarium  O   L  SUBSP.  4.& NA 12885
{"catalogNumber": "1441245", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton pusillus subsp. pusillus", "scientificNameAuthorship": "", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "pusillus", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "pusillus", "identifiedBy": "", "recordedBy": "John K. Morton & Joan M. Venn", "recordNumber": "NA 12885", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}