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": ""}
1933-07-19 =   r 2515      ] 1212859  ~W)  elymus  -+]! UNITED STA7ES   4 poaceae opposite the hospital city of menominee <+[m    r 1   CANADENSIS       ?r@$ ON SAND  MICHIGAN (yf    uPcr; poales  CARL O. GRASSL /8      & ELYM US CANADENSIS 
{"catalogNumber": "1212859", "order": "Poales", "family": "Poaceae", "scientificName": "Elymus canadensis", "scientificNameAuthorship": "", "genus": "Elymus", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "2515", "verbatimEventDate": "1933-07-19", "habitat": "on sand", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "opposite the hospital City of Menominee", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}