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": ""}
John H. Ehl3rs Y  SCHOLCRA`FT 2      ogYy 45.966032 poales Tp(   (michx.) p. beauu. 9. 6   CANADENSIS .   URf? 4269  CALAMAGROSTIS CANADENSIS F9ba   united states :  1308148 )y   Q 1929-08-31   idT1D Michigan Dune regin between Gulliver Lake and Lake Michigan J BA     calamagrostis M[  -86.023479 d Y   >) sw Top of dune POACEAE 7.1tK 
{"catalogNumber": "1308148", "order": "Poales", "family": "Poaceae", "scientificName": "Calamagrostis canadensis", "scientificNameAuthorship": "(Michx.) P. Beauv.", "genus": "Calamagrostis", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "4269", "verbatimEventDate": "1929-08-31", "habitat": "Top of dune", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Schoolcraft", "municipality": "", "locality": "Dune region between Gulliver Lake and Lake Michigan", "decimalLatitude": "45.966032", "decimalLongitude": "-86.023479", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}