Flora of North America species comparison

short- to long-creeping, 4–8 mm diam.

usually long-creeping, 3–6 mm diam.

monomorphic, evergreen, up to 2(–3) cm apart, (15–)50–160 cm.

monomorphic, evergreen, (0.5–)1–4 cm apart, (30–)55–135(–165) cm.

straw-colored, (5–)20–80 × (1–)3–6 mm, at base with brown, linear-lanceolate, hairy scales.

straw-colored, 15–80 cm × 2–6 mm, at base with tan to brownish, linear-lanceolate, hairy scales.

(9–)30–80 cm, broadest at base, gradually tapered to pinnatifid apex.

about equaling petiole length, broadest at base, gradually to somewhat abruptly tapered to pinnatifid apex.

(2–)8–15(–20) × (0.6–)1–2.5 cm, incised 3/5–4/5 of width;

segments oblong, rounded to acute at apex;

proximal pair of veins from adjacent segments running to sinus, or nearly so.

(5–)10–25 × 0.8–2.2 cm, incised 4/5 of width;

segments oblique, somewhat curved, basal pair from middle pinnae often elongate parallel to rachis;

proximal pair of veins from adjacent segments reaching margin at or just above sinus.

round, medial to supramedial;

indusia tan, hairy, hairs 0.2–0.4 mm;

sporangial glands obscure, yellowish, stalked, arising from sporangial stalks.

round, supramedial to inframarginal;

indusia tan, hairy, hairs mostly 0.2–0.4 mm;

sporangia glabrous.

abaxially of hairs mostly 0.3–1 mm on costae, veins, and blade tissue;

veins adaxially with similar hairs but blade tissue usually without hairs, often with scattered yellowish, stalked glands 0.1 mm.

abaxially of hairs mostly 0.2–0.5 mm on costae, veins, and blade tissue, also sometimes of a few tan scales on costae and rachises;

blades adaxially glabrous except along rachises and costae.

= 144.

= 72.