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.

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

scales brown at base and darker toward tip, linear-subulate, straight to slightly contorted, loosely appressed, persistent.

clustered, 7–50 cm;

vernation circinate.

clustered, 5–30 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.

linear-oblong to lanceolate-ovate, 3-pinnate at base, 1.5–5 cm wide;

rachis flattened or slightly 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 to ovate, not beadlike, the largest 3–5 mm, abaxially and adaxially hirsute with long, strongly flattened hairs.

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 slightly smaller than adjacent pair, ± equilateral, appearing hirsute 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 64 spores.

brown adaxially for most of length;

abaxial scales absent.

green adaxially for most of length;

abaxial scales absent.

= 60.

= 60.