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": ""}
elaeagnaceae RL&   ROSALES L  s.n. I   Gz!$ angustifolia  42.9761 ./     MICHIGAN .E     s c.k. dodge  Cultivated; GRPM 44812 Ccu%   8VO+  1508000  Port Huron W  L. eW  elaeagnus _UOD       5T. CLAIR k27 
{"catalogNumber": "1508000", "order": "Rosales", "family": "Elaeagnaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Elaeagnus", "subgenus": "", "specificEpithet": "angustifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C.K. Dodge", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Cultivated; GRPM 44812", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "St. Clair", "municipality": "", "locality": "Port Huron", "decimalLatitude": "42.9761", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}