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": ""}
michigan vs H  44.166139 _hT   frequent in sandy jack pine barrens RIU  4496 UXT<   YX~p POALES  9 avenella flexuosa poaceae z_!f  NEAR CENTER W1/2 SEC. 31, 5OUTH BRANCH TWP.r, CA. 5 MI. WSW OF HOXEYVILLE ?v4 K   K jV 1957-07-03     WIe United States  AVENELLA *XaFS[  1212633 ;3I   w Wexford      IK@vN flexuosa  8@P4  (l.) drejer -85.807753 Z+ELM  edward g. voss e  
{"catalogNumber": "1212633", "order": "Poales", "family": "Poaceae", "scientificName": "Avenella flexuosa", "scientificNameAuthorship": "(L.) Drejer", "genus": "Avenella", "subgenus": "", "specificEpithet": "flexuosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "4496", "verbatimEventDate": "1957-07-03", "habitat": "Frequent in sandy jack pine barrens", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Wexford", "municipality": "", "locality": "near center W1/2 sec. 31, South Branch Twp., ca. 5 mi. WSW of Hoxeyville", "decimalLatitude": "44.166139", "decimalLongitude": "-85.807753", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}