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": ""}
 1937-09-29 kH:Nl   C8L anton a. reznicek      Vm0 Muhl. ex Willd. 1537 _9gR   Q]4 WASHTEMAW     1476852  [<+u H. Keith Wagnon Or|ginal source from seed collected at Zeeb and Liberty Rds., three mi. west of Ann Arbor     Qy< United States  p8 GROWN AT THE BOTANICAL GARDENS, UNIVERSITY OF MICHIGAN, ANN ARBOR. SOMATIC CHROMOSOME-NUMBER FROM ROOT-TIP SMEARS: 14 [THE COLLECTION YEAR IS THOUGHT TO BE AN ERROR. THE TRUE COLLECTION YEAR IS LIKELY 1948. THE COLLECTOR NUMBER IS THE SAM3 AS THE SPECIMENS WITH THE BARCODE NUMBERS 1476853 AND 1476854]  :ex -83.83875    BJ MICHIGAN   ~l_A PUBESCENS  l9: 2 Poales   h; 42.26952 bromus K :B  bromus pubescens H( 
{"catalogNumber": "1476852", "order": "Poales", "family": "", "scientificName": "Bromus pubescens", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "Bromus", "subgenus": "", "specificEpithet": "pubescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "H. Keith Wagnon", "recordNumber": "1537", "verbatimEventDate": "1937-09-29", "habitat": "", "occurrenceRemarks": "Grown at the Botanical Gardens, University of Michigan, Ann Arbor. Somatic chromosome-number from root-tip smears: 14 [The collection year is thought to be an error. The true collection year is likely 1948. The collector number is the same as the specimens with the barcode numbers 1476853 and 1476854]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Original source from seed collected at Zeeb and Liberty Rds., three mi. west of Ann Arbor", "decimalLatitude": "42.26952", "decimalLongitude": "-83.83875", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}