Flora of North America species comparison

short-creeping;

scales bronzy deep yellow, concolored, margins entire.

short-creeping;

scales dark reddish brown, concolored, margins entire.

lax-arching (rarely pendent), closely spaced, 40–75 cm.

arching, clustered, 20–37 cm.

1–2 mm diam., glabrous, occasionally glaucous.

1–2 mm diam., adaxially hispid, not glaucous.

fan-shaped, pseudopedate, 1-pinnate distally, 15–30 × 15–35 cm, glabrous;

proximal pinnae 3–9-pinnate;

rachis straight, glabrous, occasionally glaucous.

lanceolate, pinnate or occasionally pseudopedate, 1-pinnate distally, 12–18 × 6.5–8 cm;

proximal pinnae 1–4-pinnate;

indument of light-colored, sparse, multicellular hairs;

rachis straight, densely hispid, not glaucous.

oblong, ca. 3 times as long as broad;

basiscopic margin straight;

acroscopic margin lobed, lobes separated by narrow incisions 0–0.9(–1.1) mm wide;

apex obtuse, divided into shallow, rounded lobes separated by shallow sinuses 0.1–2(–3.7) mm deep, margins of lobes crenulate or crenate-denticulate.

oblong to long-triangular, ca. 2 times as long as broad, progressively reduced toward apex of penultimate divisions;

basiscopic margin oblique;

acroscopic margin of fertile segments crenulate, sterile segments sharply denticulate;

apex obtuse or acute.

transversely oblong, 1–3 mm, glabrous.

± round, 0.6–0.9 mm diam., covered with reddish brown, stiff, needlelike bristles.

mostly 34–40 µm diam. 2n = 58.

mostly 40–60 µm diam.

stalks 0.5–1.5(–1.7) mm, dark color entering into segment base.

stalks 0.2–0.3 mm, dark color generally entering into segment base.