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": ""}
UNITED STATES R L      Michigan  0        UNIVERSITY OF MICHIGAN BOTANICAL GARDENS, DIXBORO SITE, 4.5 MI. NORTHEAST OF ANN ARBOR, NW CORNER ALONG BROOK V    A Salicaceae   iS7~h HUMI;LIS  Low wet Cornus-Salix thicket along brook PXr     salix o!L!x      
{"catalogNumber": "", "order": "", "family": "Salicaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Salix", "subgenus": "", "specificEpithet": "humilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "Low wet Cornus-Salix thicket along brook", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "University of Michigan Botanical Gardens, Dixboro Site, 4.5 mi. northeast of Ann Arbor, NW corner along brook", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}