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": ""}
 1949-07-01  d   WOABc 1406732  .io G. L. WEBSTER & K. I. MILLER  POALES d98    l Poaceae  UNITED STATES V5+0  grmacilis   @a     z  Bouteloua gracilis  TEXAS 2     SE 462  TERRLL N6   BLACKSTONE RANCH, ABOVE INDEPENOENCE CREEK, 18 MI. S OF SHEFFIELD. / P%     (kunth) lag. ex griffiths *PEy 
{"catalogNumber": "1406732", "order": "Poales", "family": "Poaceae", "scientificName": "Bouteloua gracilis", "scientificNameAuthorship": "(Kunth) Lag. ex Griffiths", "genus": "", "subgenus": "", "specificEpithet": "gracilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "G. L. Webster & K. I. Miller", "recordNumber": "462", "verbatimEventDate": "1949-07-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Terrell", "municipality": "", "locality": "Blackstone Ranch, above Independence Creek, 18 mi. S of Sheffield.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}