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": ""}
   along old railroad bed Z0+F   americana  k0O   W N. OF JUNCTION RD., WOODSTOCK TWP. T5SR1ES32, SE QTR OF NE QTR  + c LENAWEE  j EZ Heuchera SAXIFRAGACEAE    -84.334737 :wO    Ln = United States  Nr4H 1464942  (T heubchera americana var. hirsuticaulis   r ]MC saxifragales Robert W. Smith ;  1991-06-14 YA6]     6 michigan  > 41.993601  5mG _ 2982  sO HIRSUTICAULIS VAR. s7Z   9 @W (wheelock) rosend., butters & lakela
{"catalogNumber": "1464942", "order": "Saxifragales", "family": "Saxifragaceae", "scientificName": "Heuchera americana var. hirsuticaulis", "scientificNameAuthorship": "(Wheelock) Rosend., Butters & Lakela", "genus": "Heuchera", "subgenus": "", "specificEpithet": "americana", "verbatimTaxonRank": "var.", "infraspecificEpithet": "hirsuticaulis", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "2982", "verbatimEventDate": "1991-06-14", "habitat": "along old railroad bed", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "n. of Junction Rd., Woodstock Twp. T5SR1ES32, se qtr of ne qtr", "decimalLatitude": "41.993601", "decimalLongitude": "-84.334737", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}