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": ""}
ROAD TO CALVILLO, 18 MILES WEST OF AGUASCALIENTES   a  1959-11-02 DY      90Al Willd. erigeron   J!  44 GN+    oHF4 delphinifolius  / erigeron delphinifolius     rogers mcvaugh, walter n. koelz Q    &i Aguascalientes MEXICO |32Jf  High grassland with scattered oaks near summits :`   f[< 21.92154  ASTERACEAE >2 h      xRVR% -102.54947
{"catalogNumber": "", "order": "", "family": "Asteraceae", "scientificName": "Erigeron delphinifolius", "scientificNameAuthorship": "Willd.", "genus": "Erigeron", "subgenus": "", "specificEpithet": "delphinifolius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rogers McVaugh, Walter N. Koelz", "recordNumber": "44", "verbatimEventDate": "1959-11-02", "habitat": "High grassland with scattered oaks near summits", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Aguascalientes", "county": "", "municipality": "", "locality": "Road to Calvillo, 18 miles west of Aguascalientes", "decimalLatitude": "21.92154", "decimalLongitude": "-102.54947", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}