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": ""}
1886-08-08 y   +7r united 5tates 1418301 ~TR  Como, South Park 1W   v/Jto Muhlenbergia tricholepis Park W4QI   POACEAE vQQ         gh4=j s.n. tricholepis H!   MUHLENBERGIA o    ,o  (Torr.) Columbus  |zpF COLORADO george w. letterman kA      POALES usC  
{"catalogNumber": "1418301", "order": "Poales", "family": "Poaceae", "scientificName": "Muhlenbergia tricholepis", "scientificNameAuthorship": "(Torr.) Columbus", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "tricholepis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George W. Letterman", "recordNumber": "s.n.", "verbatimEventDate": "1886-08-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "Park", "municipality": "", "locality": "Como, South Park", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}