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": ""}
   / croton   ; POTTSII   Common in narrow draws Kc    [Zx United States    Malp|ghiales %Bj   uh` branches erect    var. C`M  Croton pottsii var. pottsi !    1gC A 1543551 Benjamin van Ee sps  Big Bend National Park, arid desert plains and hills, Gravelly hills c. 1 mile E of moth of Terlingua Creek, sparse scrub of Larrea, Fouquier a, & Opuntia spp 3  1952-07-18 c   euphorbiaceae uV t  
{"catalogNumber": "1543551", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton pottsii var. pottsii", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "pottsii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "Benjamin van Ee", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1952-07-18", "habitat": "Common in narrow draws", "occurrenceRemarks": "branches erect", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Big Bend National Park, arid desert plains and hills, Gravelly hills c. 1 mile E of mouth of Terlingua Creek, sparse scrub of Larrea, Fouquiera, & Opuntia spp", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}