Asteraceae A: 00354110 Silphium perfoliatum Linnaeus USA: Massachusetts Boston: The Arnold Arboretum, near Birch Col... E. J. Palmer 23623 1923-8-25
A: 00354111 Silphium perfoliatum Linnaeus USA: Massachusetts Boston: The Arnold Arboretum, near Administr... E. J. Palmer 35009 1928-8-9
NEBC: 00578916 Silphium perfoliatum Linnaeus USA: Vermont Mountpelier C. H. Knowlton 1942-7-19
GH: 00578917 Silphium perfoliatum Linnaeus USA: Massachusetts Cambridge: Cambridge, Madison St. C. A. Weatherby 1908-8-20
NEBC: 00578918 Silphium perfoliatum Linnaeus USA: Massachusetts Cambridge: Cambridge, off Madison Street W. Deane 1908-8-24
NEBC: 00578919 Silphium perfoliatum Linnaeus USA: Massachusetts Winchester: Winchester, Cambridge St. A. S. Pease 11,382 1908-7-8
GH: 00578920 Silphium perfoliatum Linnaeus USA: Massachusetts Boston: Boston, edge of Back Bay Fens E. F. Williams 1900-8-24
NEBC: 00578921 Silphium perfoliatum Linnaeus USA: Massachusetts Boston: Boston, Fens A. S. Pease 9918 1906-10-9
NEBC: 00578922 Silphium perfoliatum Linnaeus USA: Massachusetts Boston: Boston, Escaped from Fenway, Back Ba... C. H. Knowlton 1916-9-5
NEBC: 00578923 Silphium perfoliatum Linnaeus USA: Massachusetts Boston: Boston, Fens A. S. Pease 9953 1906-10-10
ECON: 00578924 Silphium perfoliatum Linnaeus USA: Massachusetts Milton: Milton N. T. Kidder 1913-9-11
ECON: 00578925 Silphium perfoliatum Linnaeus USA: Massachusetts Cohasset: Cohasset S. F. Blake 150559 1927-10-2
NEBC: 00578926 Silphium perfoliatum Linnaeus USA: Massachusetts Taunton: Taunton F. C. Seymour 19,530 1961-9-8
NEBC: 00578927 Silphium perfoliatum Linnaeus USA: Massachusetts Douglas: Douglas F. W. Hunnewell 13,239 1945-9-3
NEBC: 00578928 Silphium perfoliatum Linnaeus USA: Massachusetts Templeton: Templeton Mrs. P. Blodgett 1900
NEBC: 00578929 Silphium perfoliatum Linnaeus USA: Massachusetts Pittsfield: Pittsfield B. A. Sorrie & P. Weatherbee 2180 1983-8-25
NEBC: 00578930 Silphium perfoliatum Linnaeus USA: Connecticut Southington: Southington A. E. Blewitt 1066 1910-9-8
NEBC: 00578931 Silphium perfoliatum Linnaeus USA: Connecticut North Haven: North Haven M. R. North 93
NEBC: 00578932 Silphium perfoliatum Linnaeus USA: Connecticut Roxbury: Roxbury E. B. Harger 7237 1921-9-11
GH: 00578933 Silphium perfoliatum Linnaeus USA: Connecticut Fairfield: Fairfield E. H. Eames 240 1902-9-14
NEBC: 00578934 Silphium perfoliatum Linnaeus USA: Connecticut Fairfield: Fairfield E. H. Eames 1905-8-27
NEBC: 01078071 Silphium perfoliatum Linnaeus USA: Connecticut Roxbury [no data available] 20692 1999-10-2
NEBC: 02577320 Silphium perfoliatum Linnaeus USA: Massachusetts Byfield: South Street H. Lewis 24032 1961-8
NEBC: 02230843 Silphium perfoliatum Linnaeus USA: Massachusetts Northampton: East-southeast of the city cent... D. E. Boufford 46201 2023-7-30
NEBC: 02230844 Silphium perfoliatum Linnaeus USA: Massachusetts Northampton: East-southeast of the city cent... D. E. Boufford 46201 2023-7-30
