Botrychium lunarioides (Michx.) Sw.

Trophophore stalk 0.1--1 cm; blades usually pale green, plane, 2--3-pinnate, to 8 × 12 cm, often much smaller, fleshy. Pinnae to 5 pairs, usually well separated, horizontal, distance between 1st and 2d pinnae not or slightly more than between 2d and 3d pairs, divided to tip. Pinnules fan-shaped, margins denticulate, apex rounded, venation like ribs of fan, midrib absent. Sporophores 2-pinnate, 1--2 times length of trophophores. 2 n =90.