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": ""}
     d  1303427      + Seedling in greenhouse, 30 cm tall. Inflorescenge bracts white, cyathium glands green, stamens yellow, stigma white. Fruits green, asymetrical.   e+P v united states  +QV CALIFORNIA  leucocephala I      : SAN DIEGO  cultivated 4-q   A 2007-01-29     
{"catalogNumber": "1303427", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "leucocephala", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "2007-01-29", "habitat": "Cultivated", "occurrenceRemarks": "Seedling in greenhouse, 30 cm tall. Inflorescence bracts white, cyathium glands green, stamens yellow, stigma white. Fruits green, asymetrical.", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "San Diego", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}