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": ""}
  , TIMOTHY L. WALTERS calvin twp., 0.59 mil northv of union road and 0.01 mile west of calvi center road. se 1/4 of se 1/4 of se 1/4 sec 21. SQ    :% vZ caltha palustris var. palustris   qogT ranunculaceae Ranunculales d@D*!     smk michig1an       + AJ anton a. reznicek caltha 6 3      L] 12881 L. ! 6xd  PALUSTRISc   palustris (aJ  Locally common. O   
{"catalogNumber": "", "order": "Ranunculales", "family": "Ranunculaceae", "scientificName": "Caltha palustris var. palustris", "scientificNameAuthorship": "L.", "genus": "Caltha", "subgenus": "", "specificEpithet": "palustris", "verbatimTaxonRank": "", "infraspecificEpithet": "palustris", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Timothy L. Walters", "recordNumber": "12881", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Locally common.", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Calvin Twp., 0.59 mile north of Union Road and 0.01 mile west of Calvin Center Road. SE 1/4 of SE 1/4 of SE 1/4 Sec 21.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}