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 cordatum 19.29947 EU+      f& ROGERS MCVAUGH, WALTER N. KOELZ ASTERALES E9a      y=&N -103.14926 Sierra del Halo, near a lumberC road leaving the Colima highway 7 miles south-southwest of Tecalitlan andV extending southeasterly to San Isidro; 7-9 miles frm the highway +  h!   1538815 T_T t     HYMENOSTEPHIUM CORDATUM ]|s   X tecalitlan  MEXICO y     
{"catalogNumber": "1538815", "order": "Asterales", "family": "", "scientificName": "Hymenostephium cordatum", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "cordatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rogers McVaugh, Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "Tecalitlan", "municipality": "", "locality": "Sierra del Halo, near a lumber road leaving the Colima highway 7 miles south-southwest of Tecalitlan and extending southeasterly to San Isidro; 7-9 miles from the highway", "decimalLatitude": "19.29947", "decimalLongitude": "-103.14926", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}