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": ""}
TRISTACHY4 A2s    POACEAE r*Y   J~v  MEXICO  ^EfL? L.H. Harvey laxa I&   kRLmK Contact UM Herbarium     7 6329      19sj POALES Tristachya laxa uD 2    1131714 ^ddds   scribn. & merr. 9 rR       QbMV5 howard s. gentry 1941-09-01 n 
{"catalogNumber": "1131714", "order": "Poales", "family": "Poaceae", "scientificName": "Tristachya laxa", "scientificNameAuthorship": "Scribn. & Merr.", "genus": "Tristachya", "subgenus": "", "specificEpithet": "laxa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "L.H. Harvey", "recordedBy": "Howard S. Gentry", "recordNumber": "6329", "verbatimEventDate": "1941-09-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}