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": ""}
 e2: rehmann EMERSUM 5 V6@         poales  S            2002-08-04   SD CANARY GRASS DOMINATED MARSH WITH OPENINGS. ELEVQ. 217. LOCAL IN DOWNSTREAM PORTION. ASSOCIATES: PHALARIS ARNDINACEA, SAGITTARIA, SCIRPUS VALIDUS, SAMBUCUS CANADENSIS, LYCOPUS.       
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "Rehmann", "genus": "", "subgenus": "", "specificEpithet": "emersum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "2002-08-04", "habitat": "Canary grass dominated marsh with openings. Elev. 217. Local in downstream portion. Associates: Phalaris arundinacea, Sagittaria, Scirpus validus, Sambucus canadensis, Lycopus.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}