Peattie, D. C. (1930). Flora of the Indiana dunes: A handbook of the flowering plants and ferns of the Lake Michigan Coast of Indiana and of the Calumet district. Field Museum of Natural History.
Chicago-Zitierstil (17. Ausg.)Peattie, Donald Culross. Flora of the Indiana Dunes: A Handbook of the Flowering Plants and Ferns of the Lake Michigan Coast of Indiana and of the Calumet District. Chicago, U.S.A: Field Museum of Natural History, 1930.
MLA-Zitierstil (9. Ausg.)Peattie, Donald Culross. Flora of the Indiana Dunes: A Handbook of the Flowering Plants and Ferns of the Lake Michigan Coast of Indiana and of the Calumet District. Field Museum of Natural History, 1930.
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