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": ""}
  2008-05-29  b    (L.) Nutt. OF  Timothy L. Walters p   comandra N;        @ flower locally common and scattered. flowers white.  12212 ~F io  within powerline corridor; 0.03 mile west of n. milliron road and 0.62 mile north macarthur road sw 1/4 sec 12 1>ET_   :mFo umbellata   Q K4/ united states   MICHIGAN >7   SANTALALES  8z]    7 ` muskegon -86.16316 ?    ; sand barren, 50 percent vegetated. associates: lupinus perenni[s, lindernia canadensis, hieracium, krigia virginica, comandra, rumex acetosella. 
{"catalogNumber": "", "order": "Santalales", "family": "", "scientificName": "", "scientificNameAuthorship": "(L.) Nutt.", "genus": "Comandra", "subgenus": "", "specificEpithet": "umbellata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Timothy L. Walters", "recordNumber": "12212", "verbatimEventDate": "2008-05-29", "habitat": "Sand barren, 50 percent vegetated. Associates: Lupinus perennis, Lindernia canadensis, Hieracium, Krigia virginica, Comandra, Rumex acetosella.", "occurrenceRemarks": "Flower Locally common and scattered. Flowers white.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Muskegon", "municipality": "", "locality": "Within powerline corridor; 0.03 mile west of N. Milliron Road and 0.62 mile north Macarthur Road SW 1/4 Sec 12", "decimalLatitude": "", "decimalLongitude": "-86.16316", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}