Flora of North America species comparison

short-creeping;

scales dark reddish brown, concolored, margins entire.

short-creeping;

scales reddish brown, concolored, margins entire.

arching, clustered, 20–37 cm.

arching or pendent, clustered, 30–45 cm.

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

1–1.5 mm diam., glabrous, 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.

lanceolate, pinnate, 20–24 × 8–10 cm, gradually reduced distally, glabrous;

proximal pinnae 3(–4)-pinnate;

rachis straight, glabrous, not glaucous.

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.

fan-shaped, not quite as long as broad;

base truncate or broadly cuneate;

margins of fertile segments unlobed but very narrowly incised, sterile segments with margins lobed, denticulate;

apex rounded.

transversely oblong, 3–10 mm, glabrous.

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

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 1–4 mm, with dark color ending abruptly at segment base.