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": ""}
  DAVD C. DISTER W    1514315 f     d W Echinocystis   43.8736667 ^4    UNITED STATES  7    ?L 2 SMALL VINES ON LOW VEGETATION OF: MOUNDED SANDBAR IN SUNNY SITE BY RIVER echinocystis lobata g+        5 MASON  2015-08-30 > *;  CUCURBITLES       FJ michigan
{"catalogNumber": "1514315", "order": "Cucurbitales", "family": "", "scientificName": "Echinocystis lobata", "scientificNameAuthorship": "", "genus": "Echinocystis", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "David C. Dister", "recordNumber": "", "verbatimEventDate": "2015-08-30", "habitat": "2 small vines on low vegetation of mounded sandbar in sunny site by river", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mason", "municipality": "", "locality": "", "decimalLatitude": "43.8736667", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}