Heads 15–60(–80); bracts linear-oblanceolate to narrowly oblanceolate or elliptic, 20–120 × 3–18 mm. Involucres 3–5 × 6–9 mm. Phyllaries oblanceolate to linear-oblanceolate, subequal, membranous margins ± narrow, 1–2.5(–3) mm wide, apices cuspidate; outer 1.5–3 × 0.4–1.5 mm, inner 2.1–4 × 0.5–1.5 mm. Cypselae obovoid, winged; pappus awns 0.6–1.4 mm, lengths 2/3+ cypselae. 2n = 36.

Phenology: Flowering Aug–Sep.
Habitat: Wet prairies, riverbanks, sloughs
Elevation: 10–500 m

Distribution

• Generated Map
• Legacy Map

Man., Sask., Ark., Conn., Idaho, Ill., Ind., Iowa, Kans., Ky., Maine, Mass., Mich., Minn., Mo., Nebr., N.J., N.Y., N.Dak., Ohio, Okla., Oreg., R.I., S.Dak., Tenn., Wis.

Discussion

Selected References

None.

Lower Taxa

None.