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": ""}
potentilla= haematochrous O!<   Rosales l_#)   O POTENTILLA  R 1184634  = JERZY RZEDOWSKI   contact um herbarium DR   _wl LEHM.       x^ 1970-07-19    r. treviã±o barã³n &A  15 iG|8k  Rosaceae >      haematochrous U 
{"catalogNumber": "1184634", "order": "Rosales", "family": "Rosaceae", "scientificName": "Potentilla haematochrous", "scientificNameAuthorship": "Lehm.", "genus": "Potentilla", "subgenus": "", "specificEpithet": "haematochrous", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Jerzy Rzedowski", "recordedBy": "R. Trevi\u00c3\u00b1o Bar\u00c3\u00b3n", "recordNumber": "15", "verbatimEventDate": "1970-07-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}