found: Work cat.: Marie-Victorin. On a Botrychium new to American flora and its relationship with B. lunaria and B. simplex, 19--:leaf 9 (Botrychium simplex)
found: Mickel, J. How to know the ferns and fern allies, c1979:p. 69 (little grape-fern, Botrychium simplex E. Hitchc.)
found: Cobb, B. A field guide to the ferns, 1956:p. 184 (dwarf grape fern; species: Botrychium simplex E. Hitchc.)
found: Gray Herbarium index of New World plants, June 14, 2000(Botrychiaceae Botrychium simplex)
found: Web. 2(little grape fern; Botrychium simplex)
found: NatureServe explorer, via WWW, Oct. 10, 2013( Botrychium simplex - Least Grapefern)
found: Plants database, Oct. 10, 2013(Botrychium simplex E. Hitchc. - little grapefern)
found: Checklist of world ferns, via WWW, Oct. 10, 2013(Botrychium simplex. Trivial names: Einfache Mondraute, Least Moonwort)
found: NCBI taxonomy browser, Oct. 10, 2013(Botrychium simplex (little grapefern))
found: Robert W. Freckmann Herbarium website, Oct. 11, 2013(Botrychium simplex E.Hitchc. - least moonwort, little grape fern, small grape fern)
found: Moonwort (Botrychium) systematics, via Ada Hayden Herbarium website, Oct. 11, 2013(Botrychium simplex. Common name: Least Moonwort)
notfound: Web. 3;Jones, D.L. Encyc. of ferns, 1987;Engler Syl. Pflanz.;Dict. flow. ferns