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": ""}
rubiaceae xTFG   UF WALTER N. KOELZ  $JS 1931-05-21    _ @ FIR FOREST, DRYSHADY SOIL   5Os Above Hal4m  n$&K  Kullu himachal pradesh 0       asperuloides EDGEW. ]    &  India GALIUM j `EU          1536118 (!W>  1989 F,)   cO``k GENTIAALES  s_PAA galium asperuloides 2743  #g9 
{"catalogNumber": "1536118", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "Galium asperuloides", "scientificNameAuthorship": "Edgew.", "genus": "Galium", "subgenus": "", "specificEpithet": "asperuloides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "1989", "verbatimEventDate": "1931-05-21", "habitat": "Fir forest, dry shady soil", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Himachal Pradesh", "county": "Kullu", "municipality": "", "locality": "Above Halam", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "2743", "maximumElevationInMeters": ""}