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": ""}
  Poa bigelovii ~    POALES ej  terrell @   Zc 1421228 herbert c. hanson  hqqB  1919-03-15 tCA 8      texas  r     m BIGELOVII  ~2 vasey & scribn. Sanderson ND)E  United States  hL!w     POA *v+?   
{"catalogNumber": "1421228", "order": "Poales", "family": "", "scientificName": "Poa bigelovii", "scientificNameAuthorship": "Vasey & Scribn.", "genus": "Poa", "subgenus": "", "specificEpithet": "bigelovii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Herbert C. Hanson", "recordNumber": "", "verbatimEventDate": "1919-03-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Terrell", "municipality": "", "locality": "Sanderson", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}