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": ""}
 1951-07-24 8r  purpurascens 9yZb    ss] caamagrostis purpurascen5  william k.w. baldwin 4W     poales Zq      d  1408698   ICz^P CONTACT VM HERBARIUM   ~ Calamagrostis manitoba O   CANADA tt.   poaceae =2-    4 R. Br.   [Z 2280
{"catalogNumber": "1408698", "order": "Poales", "family": "Poaceae", "scientificName": "Calamagrostis purpurascens", "scientificNameAuthorship": "R. Br.", "genus": "Calamagrostis", "subgenus": "", "specificEpithet": "purpurascens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William K.W. Baldwin", "recordNumber": "2280", "verbatimEventDate": "1951-07-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Manitoba", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}