Flora of North America species comparison

short-creeping, thick, to 10 mm diam.

short-creeping, thick, 1 cm diam.

monomorphic, evergreen, 60–150 cm.

to 75 cm × 3–12 mm, glaucous when living.

2–3-pinnate, to ca. 85 cm.

2-pinnate-pinnatifid nearly throughout, broadest at base, apex gradually reduced;

pinnae pinnate-pinnatifid, sessile or stalked, not connected by wing along rachis;

costae not grooved adaxially;

buds absent;

veins free, often forked, tips not reaching margin;

rachises and costae lacking scales;

indument abaxially of unbranched, septate hairs mostly over 1 mm.

to 35 × 10(–17) cm;

pinnules sessile to adnate, oblique, 2–8 × 0.8–2.5 cm, incised almost to costule into oblique segments 2–4 mm wide, segments entire to dentate or pinnatifid;

veins forked or simple.

round, indusia small, less than 0.3 mm diam., glabrous or glandular;

sporangia with minute capitate glands near annulus.

round, medial to supramedial;

indusia small, less than 0.3 mm diam., often obscured in mature sori;

sporangial capsules bearing short-stalked glands.

abaxially of septate hairs 1–2 mm on costae and costules;

rachis, costae, and blade tissue with capitate glands 0.05 mm.

= 31.

= 124.