Flora of North America species comparison

short-creeping;

scales dark reddish brown, concolored, margins entire.

short-creeping;

scales dark reddish brown, concolored, margins entire.

arching, clustered, 20–37 cm.

arching to erect, clustered, (15–)35–80 cm.

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

1–2 mm diam., minutely rough, abaxially strigose, not 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.

ovate, pinnate, 1-pinnate distally (small leaves 1-pinnate throughout), (11–)15–35 × (3.5–)8–15 cm, glabrous;

proximal pinnae (and sometimes also next 2–3 pairs) 1–2(–3)-pinnate;

rachis straight, densely minutely rough.

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.

oblong, about 2 times as long as broad;

basiscopic margin straight or sometimes oblique;

acroscopic margin shallowly lobed, lobes separated by narrow incisions;

apex obtuse, shallowly lobed.

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

crescent-shaped, 1–4.5 mm, glabrous.

mostly 40–60 µm diam.

mostly 40–50 µm diam. 2n = 60.

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

stalks 0.1–0.8 mm, dark color entering into segment base.