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": ""}
   EP/bv ELODEA      ob 7  Cass Elodea canadensis _     s 83       2 Alismatales  H$t 41.87864    C,3 canadensis       Q. 1284010 depth of water: 15'-20' bottom: sand and marl ^X 
{"catalogNumber": "1284010", "order": "Alismatales", "family": "", "scientificName": "Elodea canadensis", "scientificNameAuthorship": "", "genus": "Elodea", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "83", "verbatimEventDate": "", "habitat": "Depth of Water: 15'-20' Bottom: sand and marl", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Cass", "municipality": "", "locality": "", "decimalLatitude": "41.87864", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}