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": ""}
Engelm. T%w  Cactaceae  +D   D 2 1943-09  TETRANCISTRA 3@   Caryophyllales [   On rock ledges Q_    United States %4-;    MAMMILLARIA F    FE arizona         D Px Coconino  Q5BR 7087 Havasupai Canyon fO  Mammillaria tetrancistra .  Elzada U. Clover 7 
{"catalogNumber": "", "order": "Caryophyllales", "family": "Cactaceae", "scientificName": "Mammillaria tetrancistra", "scientificNameAuthorship": "Engelm.", "genus": "Mammillaria", "subgenus": "", "specificEpithet": "tetrancistra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Elzada U. Clover", "recordNumber": "7087", "verbatimEventDate": "1943-09", "habitat": "On rock ledges", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arizona", "county": "Coconino", "municipality": "", "locality": "Havasupai Canyon", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}