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": ""}
   var.         michauxii zF,/  elliptica W&1 <   bfZop croton   f WOODS AND ROCK CLIFFS BESIDE LA. 117 AND SHEARD BRANCH, 4.1 MILES NORTH OF KISATCHIE, LA.; SEC. 28, T6N, R8W  Croton michauxii var.K ellitica P3+           1974-09-28  M  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Croton michauxii var. elliptica", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "michauxii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "elliptica", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1974-09-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Woods and rock cliffs beside La. 117 and Sheard Branch, 4.1 miles north of Kisatchie, La.; Sec. 28, T6N, R8W", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}