Flora of North America species comparison

short- to long-creeping, 4–8 mm diam.

erect, (3–)5–12 mm diam.

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

monomorphic, evergreen, clustered, (15–)25–100(–135) cm;

croziers often mucilaginous.

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

straw-colored, 2–15(–25) cm × 1–4(–6) mm, at base with brownish, ovate-lanceolate, ± glabrous scales.

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

to 110 cm, proximally with 6–12 pairs of smaller pinnae, distally tapering gradually to a 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.

round, medial to supramedial;

indusia tan, hairy, hairs 0.2–0.4 mm;

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

round, medial to submarginal;

indusia tan, glandular, and sparsely hairy.

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 0.2–0.5 mm on rachises, costae, and sometimes veins and blade tissue, also of numerous glands, these yellowish to often reddish, resinous, shiny, sessile, hemispheric;

blade tissue adaxially glabrous or sparsely hairy.

pinnae hastate or auriculate;

longest (medial) pinnae 2–14(–20) × 0.4–2.5 cm, incised to within 1 mm of costa;

segments 2–3 mm wide, strongly oblique and somewhat curved;

veins meeting margin above sinus.

= 144.

= 58.