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": ""}
  b+:U 7971   |U lipscomb C.S. Wallis     0apH united states  Euphorbiaceae H        S jeffery j. morawetz  X(S euphorbia hexagona       ~Fm3 hexagona 1248559 N:   *V Nutt. ex Spreng.   Y 6* texas   OPEN EDGES O WOLF CREEK VALLEY 1/4 MI N OF LIPSCOMB ON TEXAS 305 >a $l  
{"catalogNumber": "1248559", "order": "", "family": "Euphorbiaceae", "scientificName": "Euphorbia hexagona", "scientificNameAuthorship": "Nutt. ex Spreng.", "genus": "", "subgenus": "", "specificEpithet": "hexagona", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Jeffery J. Morawetz", "recordedBy": "C.S. Wallis", "recordNumber": "7971", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Lipscomb", "municipality": "", "locality": "Open edges of Wolf Creek valley 1/4 mi N of Lipscomb on Texas 305", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}