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": ""}
utricularia vulgaris 4,+-      y+$ 1661729  immersed in bog-pond near fairbanks B    TGs vulgaris LENTIBUL~ARIACEAE          LAMIALES     1950-07-12 H-     Utrigularia $     C L. H. JORDAL   
{"catalogNumber": "1661729", "order": "Lamiales", "family": "Lentibulariaceae", "scientificName": "Utricularia vulgaris", "scientificNameAuthorship": "", "genus": "Utricularia", "subgenus": "", "specificEpithet": "vulgaris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "L. H. Jordal", "recordNumber": "", "verbatimEventDate": "1950-07-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Immersed in bog-pond near Fairbanks", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}