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": ""}
   U,u dry rogky limestone hills    tLc 23.803     EZz Frank W Gould    SALTILLITO; 11 MI N OF MATEHUALA AND 1/2 MI S OF NUEVO LEON STATE LINE bap!_       POALUES ~     m$iN -100.639     ^< Digitaria 
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Digitaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frank W. Gould", "recordNumber": "", "verbatimEventDate": "", "habitat": "Dry rocky limestone hills", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Saltillito; 11 mi N of Matehuala and 1/2 mi S of Nuevo Leon state line", "decimalLatitude": "23.803", "decimalLongitude": "-100.639", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}