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": ""}
    _ Ca. 20 km N3 of Tlacolula, on SW slope of Sierra San Filipe, overlooking Diaz Ordaz   _ shrubs 0.5-1.5 m tall, flowers pale pink-lavender    !Md1 POLYCEPHALA Grashoff  p Y     K8Y 10909 var. +kQ)     chaparrl-type vegetation, just below 7he oak-pine zone 6Tx    oaxace>nsis  fd  Asteraceae &5PU0     1970-11-12 ,YHE   9r# STEVIA ASTERALES GBM;K   
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "Grashoff", "genus": "Stevia", "subgenus": "", "specificEpithet": "polycephala", "verbatimTaxonRank": "var.", "infraspecificEpithet": "oaxacensis", "identifiedBy": "", "recordedBy": "", "recordNumber": "10909", "verbatimEventDate": "1970-11-12", "habitat": "chaparral-type vegetation, just below the oak-pine zone", "occurrenceRemarks": "Shrubs 0.5-1.5 m tall, flowers pale pink-lavender", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Ca. 20 km NE of Tlacolula, on SW slope of Sierra San Filipe, overlooking Diaz Ordaz", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}