Flora of North America species comparison

short-creeping;

scales dark reddish brown, concolored, margins entire.

short-creeping to nearly erect;

scales dark reddish brown, concolored, margins entire or minutely denticulate.

arching, clustered, 20–37 cm.

arching or pendent, densely clustered, 20–62 cm.

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

0.8–1 mm diam., 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.

ovate, pinnate, 15–38 × 8–26 cm, gradually reduced distally, hirsute;

proximal pinnae 3–4-pinnate;

rachis straight or becoming flexuous, 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.

transversely oblong, nearly round, or fan-shaped, about as long as broad;

base truncate or cuneate;

margins of fertile segments crenulate or entire, sterile segments with margins serrulate;

apex rounded.

transversely oblong or crescent-shaped, 0.5–4 mm, covered with whitish needlelike trichomes.

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

mostly 40–60 µm diam.

mostly 35–53 µm diam.

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

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