Flora of North America species comparison

2-pinnate, 8–15 cm, lobes (3–)5–15+ × 0.5–1.5+ mm;

cauline 8–30.

basal 2-pinnate, 8–14 cm, lobes 5–15+ × 1–2 mm;

cauline 2–3.

3–8 cm.

0.

8;

corollas white, laminae 14–16 mm.

25–50;

corollas whitish, 2.5–3 mm, tubes 1.5–2.2 mm, throats campanulate, 0.8–1.5 mm, lengths 1.5–2 times lobes.

30–50+;

corollas yellowish, 3–4 mm, tubes 1.5–2 mm, throats campanulate, 1.5 mm, lengths 3 times lobes.

yellowish, 5–8 × 2–4 mm.

yellowish, 7–9 × 3–5 mm.

20–200 per stem.

6–8 per stem.

3.5–4.5 mm, ± villous;

pappi of 16–18 scales 1–1.5(–2) mm.

4–4.5 mm, ± hirtellous to villous;

pappi of 14–18 scales 0.4–0.6 mm.

-cles 1–5 cm.

= 34.

= 34.