Flora of North America species comparison

to 5 pairs, ascending, approximate, distance between 1st and 2d pinnae not or slightly more than between 2d and 3d pairs, linear to broadly lanceolate, entire to divided to tip, margins with distinct lobes or segments, apex acute to rounded, venation pinnate.

to 8 pairs, ascending, remote, distance between 1st and 2d pinnae not or slightly more than between 2d and 3d pairs, basal pinna pair approximately equal in size and cutting to adjacent pair, mostly narrowly spatulate to linear-spatulate and rounded or ± 2-cleft, lobed to unlobed to tip, margins mainly entire or occasionally irregularly and shallowly incised, apex rounded-notched, venation like ribs of fan, midrib absent.

stalk 0–1 mm;

blade dull to shiny green to dark green, deltate, 1–2-pinnate, to 6 × 7 cm.

stalk 0–1 mm;

blade shiny yellow-green, narrowly deltate, flat, 1-pinnate, to 8 × 2.5 cm, thick, leathery.

1–3-pinnate, 1–2.5 times length of trophophore, divided into several equally long branches (all other botrychiums have a single stalk or 1 dominant and 2 smaller).

1–2-pinnate, 1.2–2 times length of trophophore.

=90.

=180.