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? ! 1941-04-13 bromus diandrus var. rigidus t   ` diandrus    vn var. RIGIDUS XEW*g   147361 jl   BROMUS w|c;6  united states  /%7   alan a. beetle V   California q  (roth) sales #kN    Mc?n poaceae  2685 P1+#:   Poales ~ge     CONTACT UM HERBARIUM xw    @a ANTA CRUZ  
{"catalogNumber": "1407361", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus diandrus var. rigidus", "scientificNameAuthorship": "(Roth) Sales", "genus": "Bromus", "subgenus": "", "specificEpithet": "diandrus", "verbatimTaxonRank": "var.", "infraspecificEpithet": "rigidus", "identifiedBy": "", "recordedBy": "Alan A. Beetle", "recordNumber": "2685", "verbatimEventDate": "1941-04-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "Santa Cruz", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}