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": ""}
contact um herbarium M   hT-HE asteraceae  erigeron VNK`f  ROCKY LEDGES AND LOW CLIFFS AT OR NEAR RIVER SHORE. SCARCE IN CREVICES ON DR&YISH, SUNNY CLIFF LEDGES, THE PLANTS HERE SHORT AND WITH DARK PINK-PURPLE LIGULES. *   x`v asterales    9503   AWM&v 1993-06-11   +_2p& philadelphicus   E ERIGERON PHILAD3LPHICUS      Ontario ,` &  L. #n_    1186529 (6    ~;  ANTON A. REZNICEK  /[4 CANADA   ,| Huron
{"catalogNumber": "1186529", "order": "Asterales", "family": "Asteraceae", "scientificName": "Erigeron philadelphicus", "scientificNameAuthorship": "L.", "genus": "Erigeron", "subgenus": "", "specificEpithet": "philadelphicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "9503", "verbatimEventDate": "1993-06-11", "habitat": "Rocky ledges and low cliffs at or near river shore. Scarce in crevices on dryish, sunny cliff ledges, the plants here short and with dark pink-purple ligules.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Huron", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}