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": ""}
densiflorum Ls<m    Fp@d$ F.N. Hamerstrom, Jr.  E1O> SCHRAD.  = b "Associes: Trifolium repens, Plantago la|nceolata, Chenopodium, Sisymbrium, Bromus tectorum, Anthemis cotula." [cotyledons incumbent] 1463952 E^q     $!# 1941-07-28   $v5eO BRASICALES LIVINGSTON 5L@<   3 LEPIDUM   Y9 UNITED STATES   -84.005246 YRJ   +&o Lepidium densiflorum _michgan 8gD   #tH 297   #ev Bra5sicaceae  s  y: 42.456686    Kn Edwin S. George Reseve, 3 mi. W Pinckney Grd T-25, North Gate House Area.  =I Soil: gravel.
{"catalogNumber": "1463952", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Lepidium densiflorum", "scientificNameAuthorship": "Schrad.", "genus": "Lepidium", "subgenus": "", "specificEpithet": "densiflorum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F.N. Hamerstrom, Jr.", "recordNumber": "297", "verbatimEventDate": "1941-07-28", "habitat": "Soil: gravel.", "occurrenceRemarks": "\"Associes: Trifolium repens, Plantago lanceolata, Chenopodium, Sisymbrium, Bromus tectorum, Anthemis cotula.\" [cotyledons incumbent]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "Edwin S. George Reserve, 3 mi. W Pinckney Grid T-25, North Gate House Area.", "decimalLatitude": "42.456686", "decimalLongitude": "-84.005246", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}