Flora of North America species comparison

compact to short-creeping, usually 4–8 mm diam.;

scales often uniformly brown but at least some on each plant with thin, poorly defined, dark, central stripe, linear-lanceolate, straight to slightly contorted, loosely appressed, persistent.

short-creeping, usually 4–8 mm diam.;

scales uniformly black or with narrow brown margins, linear-subulate, straight to slightly contorted, strongly appressed, persistent.

clustered, 7–50 cm;

vernation circinate.

clustered, 8–35 cm;

vernation circinate.

dark brown, rounded adaxially.

dark brown, flattened or slightly grooved distally on adaxial surface.

linear-oblong to lanceolate, usually 2-pinnate-pinnatifid at base, 1.5–5 cm wide;

rachis rounded adaxially, lacking scales, with monomorphic pubescence.

elongate-pentagonal, 3-pinnate-pinnatifid to 4-pinnate at base, 3–10 cm wide;

rachis grooved adaxially, lacking scales, with monomorphic pubescence.

oblong to lanceolate, not beadlike, the largest 3–5 mm, abaxially and adaxially sparsely hirsute with long, segmented hairs.

linear-oblong, not especially beadlike, largest 3–8 mm, abaxially and adaxially glandular pubescent with short, sticky, capitate glands.

not articulate, dark color of stalk continuing into pinna base, basal pair slightly smaller than adjacent pair, ± equilateral, appearing sparsely hirsute adaxially.

not articulate, dark color of stalk continuing into pinna base, basal pair larger than adjacent pair, strongly inequilateral, proximal basiscopic pinnules greatly enlarged, appearing glandular-pubescent adaxially.

marginal, weakly differentiated, 0.05–0.25 mm wide.

marginal, weakly differentiated, 0.05–0.25 mm wide.

discontinuous, concentrated on small apical and lateral lobes.

usually discontinuous, concentrated on apical and lateral lobes.

containing 64 spores.

containing 32 spores.

brown adaxially for most of length;

abaxial scales absent.

green or straw-colored adaxially for most of length;

abaxial scales absent.

= 60.