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": ""}
 1928-03-23 8E     =Vu (THURB.) BENTH. EX SCRIBN.  FR(  Contact UM Herbarium   1415890 k*   ) United States  Y  hilaria rigida   HILARIA <t_7r      rigia  poales yP   CALIFORNIA 7bL1u       z^T martha hilend     jy Poaceae
{"catalogNumber": "1415890", "order": "Poales", "family": "Poaceae", "scientificName": "Hilaria rigida", "scientificNameAuthorship": "(Thurb.) Benth. ex Scribn.", "genus": "Hilaria", "subgenus": "", "specificEpithet": "rigida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Martha Hilend", "recordNumber": "", "verbatimEventDate": "1928-03-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}