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": ""}
 z 1406444  % RYDB.   1Xdoa NUECES  jP SACCHAROIDES     poales kqLl/   Ly-h, leroy h. harvey 30 ~m  Bothriochloa # $+    5U23e Bothriochloa saccharoides united states <.!  873 H).c8  texas D      1939-06-15 q.    H | t Poaceae  MeMO  3 mi. s of robstown. 
{"catalogNumber": "1406444", "order": "Poales", "family": "Poaceae", "scientificName": "Bothriochloa saccharoides", "scientificNameAuthorship": "Rydb.", "genus": "Bothriochloa", "subgenus": "", "specificEpithet": "saccharoides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "LeRoy H. Harvey", "recordNumber": "873", "verbatimEventDate": "1939-06-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Nueces", "municipality": "", "locality": "3 mi. S of Robstown.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "30", "maximumElevationInMeters": ""}