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": ""}
 - a_B WASHTENAW  K8Wex Forestry Farm, Ann Arbor     a lk CARL D. LARUE     6O[ united states  I V  michigan  triviale r>!+    ci  PURSH  42.274748 O  [acenes at maturity 2.2-2.5 mm long (as in "A. triviale") but sepals at anthesis 2-2.5 mm long (as in "A. subcordatum") fruiting heads 4-5 mm broad EGV II-25-58] ?8Z     1307797 8    Alisma hP)a  -83.806645 ?UO/   &)Q alismataceae Robert R. Haynes w`*Jo 
{"catalogNumber": "1307797", "order": "", "family": "Alismataceae", "scientificName": "", "scientificNameAuthorship": "Pursh", "genus": "Alisma", "subgenus": "", "specificEpithet": "triviale", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Robert R. Haynes", "recordedBy": "Carl D. LaRue", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "[achenes at maturity 2.2-2.5 mm long (as in \"A. triviale\") but sepals at anthesis 2-2.5 mm long (as in \"A. subcordatum\") fruiting heads 4-5 mm broad EGV II-25-58]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Forestry Farm, Ann Arbor", "decimalLatitude": "42.274748", "decimalLongitude": "-83.806645", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}