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": ""}
   tuncus  Ag Michigan    -=s   WIEGAND     /lJ three miles north of sanfor 1336213 ]     ._ juncus dudleyi   V 43.715023  NP -84.268116      R.R. Dreisbach midland  Fex     united states  c   DUDLEYI B  
{"catalogNumber": "1336213", "order": "", "family": "", "scientificName": "Juncus dudleyi", "scientificNameAuthorship": "Wiegand", "genus": "Juncus", "subgenus": "", "specificEpithet": "dudleyi", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.R. Dreisbach", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Midland", "municipality": "", "locality": "Three miles north of Sanford", "decimalLatitude": "43.715023", "decimalLongitude": "-84.268116", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}