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": ""}
 L 1536028  N 1838-06-30     F galium   ~v[U TORR. & A. GRAY     9u0  champaign rubiaceae Fr^   UNITED STATES 5 xb  near urbana -xKbX    IJB John Samples con<cinnum  -     gentianales 9_Y    E  galium concinnum Thickets UMxT   4^ 384
{"catalogNumber": "1536028", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "Galium concinnum", "scientificNameAuthorship": "Torr. & A. Gray", "genus": "Galium", "subgenus": "", "specificEpithet": "concinnum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John Samples", "recordNumber": "384", "verbatimEventDate": "1838-06-30", "habitat": "Thickets", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Champaign", "municipality": "", "locality": "Near Urbana", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}