Aspidium punctilobum, Willd., Sp. Pl., v., 279. Pursh, Fl. Am. Sept., ii.,
664. Dicksonia punctilobula, Kunze, Sill. Journ. (1848), 87. Gray, Man., 669.
Provancher, Fl. Can., 720. Nephrodium punctilobulum, Michx., Fl. Bor. - Am., ii., 268. Dennstaedtia punctilobula, Moore, Index Fil., p. xcvii., 307. Lawson,
Can. Nat., i., 287; Fern Fl. Can., 233.
Found in stony pastures, open woods, and on rocky hillsides, from the Atlantic westward to Georgian Bay. Very common in Nova Scotia. (Ball.) Abundant in New Brunswick. (Fowler.') Very abundant by roadsides at Brackley Point, Prince Edward Island; common in extreme eastern Quebec; frequent along the roadside between Flinton and the Addington Road, Addington Co., and in low, rich woods a little east of Norwood, Peterboro Co., Ont. (Macoun.) Levis and Sillery, Que. (St. Cyr.) Lennoxville and Waterloo, Que. (Sheppard.) Richmond and Drummond Co's, Que. (Bothwell) Montreal, Que. (Maclagan.) Plentiful in Harrington Township and on Hamilton's Farm, River Rouge, Argenteuil Co., Que. (D'Urban.) Abundant in Stewart's Bush, Ottawa, and at Casselman, Ont. (Fletcher.) Near Prescott, Ont. (Billings.) Near Kingston, Ont. (J. Bell.) Parry Sound, Georgian Bay, Ont. (Logie.)