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": ""}
 K4XM ASTRAGALUS BIGELOVII  1502919 ZO!W      ?, fabaceae   United States GdcK   <y- BIGELOVII new mexico V -R[     w 1851-05 no data 6M d   contact um herbarium F=re    g.c. =woolson ,3)!7  s.n. a1E!6       p0W  FABALES GRAY z_C   *ec astrag!alus
{"catalogNumber": "1502919", "order": "Fabales", "family": "Fabaceae", "scientificName": "Astragalus bigelovii", "scientificNameAuthorship": "Gray", "genus": "Astragalus", "subgenus": "", "specificEpithet": "bigelovii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "G.C. Woolson", "recordNumber": "s.n.", "verbatimEventDate": "1851-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "New Mexico", "county": "no data", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}