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": ""}
 RC^9 sonora   w4rren d. stevens &n     hn75 2074-A  X-r greeene     SONORAE :=b    1973-09-12 [       MEXICO  ibervillea sonorae ?        4F contact um herbarium   QcW Cucurbitales  L cucurbitaceae  >Hx ibervillea 1270671 o 
{"catalogNumber": "1270671", "order": "Cucurbitales", "family": "Cucurbitaceae", "scientificName": "Ibervillea sonorae", "scientificNameAuthorship": "Greene", "genus": "Ibervillea", "subgenus": "", "specificEpithet": "sonorae", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Warren D. Stevens", "recordNumber": "2074-a", "verbatimEventDate": "1973-09-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Sonora", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}