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": ""}
 1462457 pxtP     tmP 45.57096        ;wy pensylvanica   F/iE 152  Brassicaceae Z          h+r MUHL. EX WILLD.  2Y?A  [stem hispidulous.] Theodore J. Crovello ,      E MELVERN F. TESSENE & MICHAEL R. MESLER & STUDENTS OF SUMMER SCIENCE CAMP
{"catalogNumber": "1462457", "order": "", "family": "Brassicaceae", "scientificName": "", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "", "subgenus": "", "specificEpithet": "pensylvanica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Theodore J. Crovello", "recordedBy": "Melvern F. Tessene & Michael R. Mesler & Students of Summer Science Camp", "recordNumber": "152", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "[stem hispidulous.]", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.57096", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}