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": ""}
   44.284926 4   vG "ABUNDANT NEAR AND IN TREATMENT PLOTS."       #;h3 SALICACEAE        UNITED STATES V   |O petiolaris 1973-05-19 ,3gd      1319160 ,~eX   x SM.
{"catalogNumber": "1319160", "order": "", "family": "Salicaceae", "scientificName": "", "scientificNameAuthorship": "Sm.", "genus": "", "subgenus": "", "specificEpithet": "petiolaris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1973-05-19", "habitat": "", "occurrenceRemarks": "\"Abundant near and in treatment plots.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "44.284926", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}