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": ""}
 UNITED STATES +^   (PORTER RANCH) CA. 6 KM. SW OF HUGHTON LAKE MICHIGAN DEPARTMENT OF NATURAL RESOURCES HOUGHTON LAKE WILDLIFE RLESEARCH AREA y          x@O L.      y  "several plants seen along trail off nellsville rd. near end of flowering period on this date-first seen flowering ca. 13 july (fSull flower)."   Tl MICHIGAN  W. ALAN WENTZ Q    r asclepias Asclepias exaltata y    edward g. voss .[  APOCYNACEAE  Z 
{"catalogNumber": "", "order": "", "family": "Apocynaceae", "scientificName": "Asclepias exaltata", "scientificNameAuthorship": "L.", "genus": "Asclepias", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "W. Alan Wentz", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "\"Several plants seen along trail off Nellsville Rd. near end of flowering period on this date-first seen flowering ca. 13 July (full flower).\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "(Porter Ranch) ca. 6 km. sw of Houghton Lake Michigan Department of Natural Resources Houghton Lake Wildlife Research Area", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}