Flora of North America species comparison

yellowish green to nearly white, leafy, compactly, smoothly tomentose.

grayish to white, leafy, loosely tomentose.

greenish;

blades 3-nerved, broadly linear, 30–90 × 1–3 mm, faces often tomentulose.

grayish green to white;

blades 1-nerved, narrowly linear, 10–50 × 1–1.5 mm, faces loosely tomentose.

6–8 mm.

7–10.5 mm.

7–9+ mm, tubes puberulent or glabrous, lobes 0.6–1.5, glabrous;

style appendages longer than stigmatic portions.

6.5–9 mm, tubes usually puberulent, rarely arachnose, lobes 1–2 mm, glabrous;

style appendages longer than stigmatic portions.

14–18, apices erect, acute, abaxial faces usually glabrous, outer sometimes sparsely hairy.

10–18, apices erect, mostly obtuse, abaxial faces tomentose, sometimes sparingly.

densely hairy;

pappi 4.9–6.5 mm.

densely hairy;

pappi 5.2–7.2 mm.

= 18.

= 18.