Flora of North America species comparison

conspicuously whitish pruinose, stout, 3–12 mm diam., bland to slightly sweet-tasting;

scales concolored to weakly bicolored, uniformly dark brown or with pale margins and base, lanceolate, symmetric, margins denticulate.

dull or inconspicuously glaucous, moderately stout, to 10 mm diam., acrid or bland-tasting;

scales uniformly brown or slightly darker near point of attachment, lanceolate-ovate, symmetric, margins entire to erose.

to 85 cm.

to 70 cm.

stout, to 3 mm diam.

usually slender, to 3 mm diam.

ovate-lanceolate, pinnatifid, usually widest just above base, to 27 cm wide, stiff and leathery;

rachis sparsely scaly to glabrescent abaxially, glabrous adaxially;

scales bicolored, ovate-lanceolate, much more than 6 cells wide.

deltate to lanceolate-ovate, pinnatifid, usually widest near base, to 20 cm wide, leathery to herbaceous;

rachis sparsely scaly to glabrescent abaxially, puberulent adaxially;

scales deltate to ovate, usually more than 10 cells wide.

oblong to linear, usually more than 12 mm wide;

margins entire to crenulate;

apex rounded to rarely broadly acute;

midrib glabrous adaxially.

linear-lanceolate to oblong, usually less than 15 mm wide;

margins serrate;

apex widely obtuse to rarely attenuate;

midrib puberulent adaxially.

crowded against midrib, usually more than 3 mm diam., circular when immature.

midway between margin and midrib or slightly closer to midrib, usually less than 3 mm diam., oval when immature.

usually less than 52 µm, rugose, surface projections less than 3 µm tall.

less than 58 µm, verrucose, with surface projections to 3 µm. 2n = 74.

anastomosing, usually forming 1 row of areoles.

weakly to conspicuously anastomosing, most segments containing several areoles, often forming 1 row.

absent.

absent.

= 74, 111.