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": ""}
    U  1108086  LIMESTONE WALLS OF IGUA!LA CANYON g kb    .B7  1906-12-28 762 nW  guerrero l(hgN   B.L. Rob. suYH            # RUSSELIA PLANTAGINACEAE S  lamiales J&O  Mexico hiJ    J( pringlei
{"catalogNumber": "1108086", "order": "Lamiales", "family": "Plantaginaceae", "scientificName": "", "scientificNameAuthorship": "B.L. Rob.", "genus": "Russelia", "subgenus": "", "specificEpithet": "pringlei", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1906-12-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Guerrero", "county": "", "municipality": "", "locality": "Limestone Walls of Iguala Canyon", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "762", "maximumElevationInMeters": ""}