Flora of North America species comparison

grayish to nearly green, leafy, loosely tomentose.

yellowish green, becoming whitish, leafy, compactly tomentose.

grayish green;

blades mostly 3–5-nerved, broadly linear, 40–90 × 3–6(–10) mm, faces tomentulose.

mostly greenish yellow;

blades 1-nerved, linear, 30–50 × 1–2 mm, faces ± tomentose.

7.5–9.5(–10.5) mm.

10–14 mm.

7.5–9.5 mm, tubes minutely puberulent, lobes 1–1.5 mm, glabrous;

style appendages longer than stigmatic portions.

10–12 mm, tubes puberulent, lobes 1.7–2.3 mm, glabrous;

style appendages longer than stigmatic portions.

11–17, apices erect, obtuse, outer abaxial faces glabrous or with apical tufts of hairs, inner frequently glabrous.

13–20 (in vertical ranks), apices erect, acuminate, abaxial faces glabrous or tomentose.

densely hairy;

pappi 7.5–7.6 mm.

densely sericeous;

pappi 7–8 mm.