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": ""}
 8 DICHANTHELIUM COLUMBIANUM  :n Edward G. Voss  uniteo states i)-     columbianum fXBd     4Ah charles k. dodge  (scribn.) freckmann &bk.  1239686  +n      ^ Arenac      W( "IDENTIFIED BY AGNES CHASE."  @ MICHIGAN 1912-06-21 i  s.n. -cph  Above Au Gres  n!r  
{"catalogNumber": "1239686", "order": "", "family": "", "scientificName": "Dichanthelium columbianum", "scientificNameAuthorship": "(Scribn.) Freckmann", "genus": "", "subgenus": "", "specificEpithet": "columbianum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Charles K. Dodge", "recordNumber": "s.n.", "verbatimEventDate": "1912-06-21", "habitat": "", "occurrenceRemarks": "\"Identified by Agnes Chase.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Arenac", "municipality": "", "locality": "Above Au Gres", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}