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": ""}
   _C Vahl  oH l maryland  =D1 HARLEY H. BARTLETT   1911-09-04 34WA    Sandy overflow of spring in woods #yNa   1 1402341  Uvi + Umited States  c % GLENN DALE   [~Y polyphyllus     M 7L poales cyperaceae P     # ! Scirpus polyphyllus  *q1 prince george's  
{"catalogNumber": "1402341", "order": "Poales", "family": "Cyperaceae", "scientificName": "Scirpus polyphyllus", "scientificNameAuthorship": "Vahl", "genus": "", "subgenus": "", "specificEpithet": "polyphyllus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Harley H. Bartlett", "recordNumber": "", "verbatimEventDate": "1911-09-04", "habitat": "Sandy overflow of spring in woods", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maryland", "county": "Prince George's", "municipality": "", "locality": "Glenn Dale", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}