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": ""}
calamovilfa longifolia var. magna  D@  calamoilfa <   p-m var.  -86.539589 L w   POACEAE n3f   HUyR EDWARD G. VOSS      cX7 ca. half way between LitVtle Point Sable lighthous3 and outlet of Silver Lake  ux oceana   MAGNA 4fF R   L abundant, ranging to over 2 m tall, low sand dunes alomg lake michigan  1308443 L1    LONGIFOLIA L   _& 1957-08-20   
{"catalogNumber": "1308443", "order": "", "family": "Poaceae", "scientificName": "Calamovilfa longifolia var. magna", "scientificNameAuthorship": "", "genus": "Calamovilfa", "subgenus": "", "specificEpithet": "longifolia", "verbatimTaxonRank": "var.", "infraspecificEpithet": "magna", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1957-08-20", "habitat": "abundant, ranging to over 2 m tall, low sand dunes along Lake Michigan", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Oceana", "municipality": "", "locality": "ca. half way between Little Point Sable lighthouse and outlet of Silver Lake", "decimalLatitude": "", "decimalLongitude": "-86.539589", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}