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": ""}
1926-07-02 N=+   73Q?c asparagales   PPj  pubescens  houghton @     njb [CITED P. 3K90].  133934m1 __26  456 :  (WILLD.) PURSH -   ` Polygoatum pubescens       robert e. preston 69QS6      47.227425 HOR8  
{"catalogNumber": "1339341", "order": "Asparagales", "family": "", "scientificName": "Polygonatum pubescens", "scientificNameAuthorship": "(Willd.) Pursh", "genus": "", "subgenus": "", "specificEpithet": "pubescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Robert E. Preston", "recordedBy": "", "recordNumber": "456", "verbatimEventDate": "1926-07-02", "habitat": "", "occurrenceRemarks": "[Cited p. 390].", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Houghton", "municipality": "", "locality": "", "decimalLatitude": "47.227425", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}