Heads 30–50(–100); bracts linear-oblanceolate to narrowly oblanceolate or linear-subulate, 25–70 × 2–7 mm. Involucres 4–5 × 6–14 mm. Phyllaries sometimes reflexed, spatulate to obovate-spatulate, subequal, membranous margins broad, (2–)2.5–6 mm wide, apices cuspidate; outer 2.6–3.8 × 0.5–1.6 mm; inner 3.2–4 × 0.9–1.5 mm. Cypselae obovoid to obcordiform, winged; pappus awns 0.7–2 mm, lengths 2/3+ cypselae. 2n = 18.

Phenology: Flowering Aug–Sep.
Habitat: Marshes, streams, sloughs, wet ditches
Elevation: 10–400 m

Distribution

• Generated Map
• Legacy Map

Ark., Conn., Iowa, Kans., Maine, Md., Mass., Minn., Miss., Mo., Nebr., N.Dak., Ohio, Okla., R.I., S.Dak., Vt., Va., Wis.

Discussion

Variety latisquama is considered endangered in Maryland.

Selected References

None.

Lower Taxa

None.