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": ""}
   6  veronicastrum   /C 1893-07-23   samuel h. camp & donna r. camp (p   7E-  jackson  2 Plantaginaceae    S.N.  -S   MI?CHIGAN U; C   Lamiales 1c i&   T Rwh VERONICASTRUM VIRGINICUM  *H VIRGINICUM   ^  1353675 anton a. reznicek Q    2 CAMP HERB.c NO.240 [CONTEMPORARY MAPS INDICATE PORTAGE WAS ON UNKERHILL RD. 5 MI NE OF JACKSON, LAT. 42.3125, LONG. -84.3832]  @I`H (L.) Farw. 
{"catalogNumber": "1353675", "order": "Lamiales", "family": "Plantaginaceae", "scientificName": "Veronicastrum virginicum", "scientificNameAuthorship": "(L.) Farw.", "genus": "Veronicastrum", "subgenus": "", "specificEpithet": "virginicum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Samuel H. Camp & Donna R. Camp", "recordNumber": "s.n.", "verbatimEventDate": "1893-07-23", "habitat": "", "occurrenceRemarks": "Camp Herb. No.240 [Contemporary maps indicate Portage was on Bunkerhill Rd. 5 mi NE of Jackson, Lat. 42.3125, Long. -84.3832]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Jackson", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}