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": ""}
R.B. SHAW H   Mexico j  29.6274 TuvB.  1956-08-19P _nRl    f Poaceae   iA 12879  L,;z  LA LÃ¡MtINA; 37 MI N OF HERMOSILLO    b&j5 SONORA  aristata y!x   #CfdK eriochloa aristata v4r. aristata  3? u   GRASSY FLAT -110.972 wMa   u.t. waterfall !aS   ARISTATA oK*   POALES %/=    pH 1121)835 eriochloa G! z  var. 2yDE5 
{"catalogNumber": "1121835", "order": "Poales", "family": "Poaceae", "scientificName": "Eriochloa aristata var. aristata", "scientificNameAuthorship": "", "genus": "Eriochloa", "subgenus": "", "specificEpithet": "aristata", "verbatimTaxonRank": "var.", "infraspecificEpithet": "aristata", "identifiedBy": "R.B. Shaw", "recordedBy": "U.T. Waterfall", "recordNumber": "12879", "verbatimEventDate": "1956-08-19", "habitat": "Grassy flat", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Sonora", "county": "", "municipality": "", "locality": "La L\u00c3\u00a1mina; 37 mi N of Hermosillo", "decimalLatitude": "29.6274", "decimalLongitude": "-110.972", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}