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": ""}
          cu forrest shreve       x (Bentham) Ball.   juncea .#   1%bpu 6 MI. N. OF 5AN JAVIER  2i1Mv 6946  X PLANTA6INACEAE baja california sur j! FP    J 1557932   loreto -d 
{"catalogNumber": "1557932", "order": "", "family": "Plantaginaceae", "scientificName": "", "scientificNameAuthorship": "(Bentham) Ball.", "genus": "", "subgenus": "", "specificEpithet": "juncea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Forrest Shreve", "recordNumber": "6946", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Baja California Sur", "county": "Loreto", "municipality": "", "locality": "6 mi. N. of San Javier", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}