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": ""}
VERONICASTRUM y.     (l.) farw. _ L*   VERONICASTRUM VIRGINICUM EHk   michigan xS     O virginicum    ; 41.9825 1241961 c*( )  -84.6622   H9      ) First Geological Survey of Michigan, 1837â1840, Douglass Houghton, State Geolo~gist; Abram Sager, Botanist and Zoologist, 1837; Johm Wright, State Botanist, 1838, assisted by George H. Bull [The pencil label is thBought to bethe work 0f an herbarium assistant, ca. 1870.] [Cordinates at Tct. US-12 & M-99 at Jonesvill3]       
{"catalogNumber": "1241961", "order": "", "family": "", "scientificName": "Veronicastrum virginicum", "scientificNameAuthorship": "(L.) Farw.", "genus": "Veronicastrum", "subgenus": "", "specificEpithet": "virginicum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "First Geological Survey of Michigan, 1837\u00e2\u0080\u00931840, Douglass Houghton, State Geologist; Abram Sager, Botanist and Zoologist, 1837; John Wright, State Botanist, 1838, assisted by George H. Bull [The pencil label is thought to be the work of an herbarium assistant, ca. 1870.] [Coordinates at Jct. US-12 & M-99 at Jonesville]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "41.9825", "decimalLongitude": "-84.6622", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}