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": ""}
VAR. UP   !<x1r Saxifragales Banks. b  elizabeth f. wells Mn   G 1464950  2nqv 1860-06-15   3 (wheelock) rosend., butters & lakela     I united states AMERICANA q   ^ washtenaw SAXIFRAGACEAE H)     nq heuchera Heucchera americana var. hirsuticaulis q  s.n. ~NMHj   ann arbor X    h -&83.726329  hirsutica%ulis d  42.270872 y   Wse Michigan  Elizabeth C. Almendinger   
{"catalogNumber": "1464950", "order": "Saxifragales", "family": "Saxifragaceae", "scientificName": "Heuchera americana var. hirsuticaulis", "scientificNameAuthorship": "(Wheelock) Rosend., Butters & Lakela", "genus": "Heuchera", "subgenus": "", "specificEpithet": "americana", "verbatimTaxonRank": "var.", "infraspecificEpithet": "hirsuticaulis", "identifiedBy": "Elizabeth F. Wells", "recordedBy": "Elizabeth C. Almendinger", "recordNumber": "s.n.", "verbatimEventDate": "1860-06-15", "habitat": "Banks.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor", "decimalLatitude": "42.270872", "decimalLongitude": "-83.726329", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}