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": ""}
astragalus k2  Mexico Gf   7y benth. HARTWEGII a~y0N   Rogers McVaugh 0;   2Ogw 1960-08-24  xE]? Calvillo rogers mcvaugh |3G  vallecitos; 19-20 mi w of aguascalientes near km 31, road to calvillo l#3;    fabaceae DO[  AST6RAGALUS HARTWEGII ;fH  [ $T FABALES    mKI&q AGUSCALIENTES  Lj$Df -102.609  0!G2 21.921   18290 #;  IN GRASSLAND, NOT MUCH SEEN. !   ]#R- 1149878 
{"catalogNumber": "1149878", "order": "Fabales", "family": "Fabaceae", "scientificName": "Astragalus hartwegii", "scientificNameAuthorship": "Benth.", "genus": "Astragalus", "subgenus": "", "specificEpithet": "hartwegii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Rogers McVaugh", "recordedBy": "Rogers McVaugh", "recordNumber": "18290", "verbatimEventDate": "1960-08-24", "habitat": "In grassland, not much seen.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Aguascalientes", "county": "Calvillo", "municipality": "", "locality": "Vallecitos; 19-20 mi W of Aguascalientes near km 31, road to Calvillo", "decimalLatitude": "21.921", "decimalLongitude": "-102.609", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}