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": ""}
  Hv v  in mostly open shrubby emergent marsh in the upper floodplain of river. in rich moist somewhat clayish soil. with Dlarix laricina, t+oxicodegndron vernix, solidago patula, typha latifolia, amphicarpaea bracteata, epilobium coloratum.    + 1552009      xov: SYHMPHYOTRICHUM FIRMUM  firmum _` &      !B common.  I s  allegan      [Yt MICHIGAN 910 :RJ>n      Y5: UNITED STATES  42.490192 7WK  Symphyotrichum 1 
{"catalogNumber": "1552009", "order": "", "family": "", "scientificName": "Symphyotrichum firmum", "scientificNameAuthorship": "", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "firmum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "910", "verbatimEventDate": "", "habitat": "In mostly open shrubby emergent marsh in the upper floodplain of river. In rich moist somewhat clayish soil. With Larix laricina, Toxicodendron vernix, Solidago patula, Typha latifolia, Amphicarpaea bracteata, Epilobium coloratum.", "occurrenceRemarks": "Common.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Allegan", "municipality": "", "locality": "", "decimalLatitude": "42.490192", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}