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": ""}
 POACEAE @   elymus YpMg       ?oW (TURCZ.) TZVELEV  ALASKA _Ts   vo: 2289  1412259 W_ n       oQ  poales  H= WILLIAM S. BENNINGHOFF   ujQ5 1948--07-21  +  macrouraus   United States h=6#     U Cont4ct UM Herbarium
{"catalogNumber": "1412259", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Turcz.) Tzvelev", "genus": "Elymus", "subgenus": "", "specificEpithet": "macrourus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William S. Benninghoff", "recordNumber": "2289", "verbatimEventDate": "1948-07-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}