Flora of North America species comparison

basal 2-pinnate, 12–25 cm, lobes 5–15(–25+) × 0.5–1.5(–3+) mm;

cauline 1–3(–5).

basal 2-pinnate, 6–16 cm, lobes 6–20 × 1(–3) mm;

cauline 10–40.

6–15 cm.

1–6 cm.

8;

corollas white or pinkish, laminae 14–20 mm.

8;

corollas white, laminae (6–)14–16 mm.

60–150+;

corollas yellowish, 3.5–4 mm, tubes 1.5–2 mm, throats campanulate, 1.5–2 mm, lengths 2–3 times lobes.

32–50+;

corollas yellowish, 3–3.5 mm, tubes 1.5 mm, throats campanulate, 1.5–2 mm, lengths 2–3 times lobes.

whitish or yellowish, 8–10 × 4–7 mm.

yellowish, 5–8 × 3–5 mm.

3–8 per stem.

20–40 per stem.

3.5–4 mm, glabrous;

pappi 0 or of 1–12+ scales 0.01–0.1 mm.

4 mm, glabrous;

pappi 0 or of scales 0.1–0.2 mm.

= 34.

= 34.