Flora of North America species comparison

long-creeping, cordlike, 3–6 mm diam.

creeping, 4–8 mm diam.

monomorphic, evergreen, 3–6 cm apart, 50–150(–250) cm.

monomorphic, evergreen, (0.5–)1–3.5 cm apart, (30–)65–140 cm.

straw-colored to tan, 20–125 cm × 3–6 mm, scaleless.

straw-colored, 15–70 cm × 2–7(–9) mm, at base with scales tan to brownish, linear-lanceolate, hairy at margin.

30–125 cm, broadest at base, gradually narrowed distally to pinnatifid apex.

30–70 cm, broadest at or near base, abruptly narrowed distally, apical pinna ± similar to lateral pinnae, 5–17 × 1–3(–5) cm.

7–30 × 1–2 cm, incised 1/3–1/2(–3/5) of width;

segments deltate, rounded to acute;

proximal pair of veins from adjacent segments united at acute or obtuse angle below sinus, with excurrent vein 2–4 mm.

(4–)10–22(–28) × (0.3–)0.7–1.5 cm, incised 1/2–3/4 of width;

segments somewhat curved, margins revolute, those at base of proximal pinnae slightly elongate;

proximal pair of veins from adjacent segments running to sinus.

round, medial to supramedial;

indusia tan, glabrous to hairy;

sporangia with red- or orange-capped, stalked, globose glands arising from sporangial stalks.

round, medial to supramedial;

indusia tan, bearing hairs 0.2–0.4 mm;

sporangia glabrous.

abaxially of hairs 0.1–0.3 mm on costae and veins, or hairs often lacking, costae also with tan, ovate scales;

veins, costules, and costae adaxially glabrous or sparsely pubescent;

blade tissue without hairs on both sides, or hairy abaxially, usually with red to orange, shiny, sessile, hemispheric glands abaxially.

abaxially of hairs 0.2–0.4 mm on costae, veins, and blade tissue, also of brownish scales 0.6–1.2 mm on costae;

veins and blade tissue glabrous adaxially.

= 144.

= 144.