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": ""}
 yY.JY Juncus         [!X juncus effusus subsp. slutus  ad effusus    :c contact um herbarium UNITED STATES ?4      (frn. & wieg.) l.hamet-ahti H6y,   subsp. x hD    ($ oales   4Q5  solutus   O. 1448373 
{"catalogNumber": "1448373", "order": "Poales", "family": "", "scientificName": "Juncus effusus subsp. solutus", "scientificNameAuthorship": "(Fern. & Wieg.) L.Hamet-Ahti", "genus": "Juncus", "subgenus": "", "specificEpithet": "effusus", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "solutus", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}