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": ""}
 s.n. z4B`     R:A H VICIA AMERICANA VAR. LINEARIS  X*D Fabceae  S.H. Camp & D.R. Camp -3      1893-06-24 rzB`   C linearis   1504287 lMRI=  vicia  QVt    _V#: NearDenv#er       R,   GRPM 42700 
{"catalogNumber": "1504287", "order": "", "family": "Fabaceae", "scientificName": "Vicia americana var. linearis", "scientificNameAuthorship": "", "genus": "Vicia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "linearis", "identifiedBy": "", "recordedBy": "S.H. Camp & D.R. Camp", "recordNumber": "s.n.", "verbatimEventDate": "1893-06-24", "habitat": "", "occurrenceRemarks": "GRPM 42700", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Near Denver", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}