Mentioned on page 389. Annuals, 30–60 cm. Stems scabrous to glabrate, not stipitate-glandular. Leaf-blades lance-linear, 30–70 × 2–8 mm. Involucres ± cylindric
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Heagy Copyright: Flora of North America Association Plants 12–40 cm (short form) or 30–60 cm (tall form); slender, fibrous-rooted, rhizomelike bases, strongly
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concern Treatment appears in FNA Volume 12. Treatment on page 394. Herbs, 30–60 cm. Stems sparsely puberulent or scabrous on angles only at base of plant
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20. Treatment on page 315. Mentioned on page 314. Stems ascending-erect, 30–60 cm, densely hirsutulous (hairs spreading-deflexed, sometimes ascending-strigose)
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distance before abruptly diverging; heads usually 10–30(–50)(–100+ rarely, in aberrant plants); plants 30–60+ cm; rays occasionally lighter yellow with age (damp
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Association Annuals, (15–) 30–60 (–150) cm. Leaves: petioles 10–30 mm; blades lanceolate to lance-linear overall, 30–80 (–150) × 10–30 (–50) mm, usually laciniately
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Treatment on page 93. Mentioned on page 65, 95, 100. Perennials, 10–45 (–100) cm (taproots slender or massive, thick or thin-barked; caudices unbranched or
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America Association Stems erect, spheric to ovoid-cylindric, 30–90 (–250) × 30–60 (–100) cm; ribs (15–) 21–32, shallowly notched immediately above each
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Illustrator: Copyright: Plants tightly cespitose, not rhizomatous. Culms 30-60 cm, bases orangebrown; nodes 3-6; basal branching intravaginal. Sheaths mostly
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Copyright: Flora of North America Association Perennials, 30–60 (–100+) cm. Leaf-blades ovate to lanceolate, 30–350+ × 20–120+ mm, margins usually crenate to serrate
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America Association Annuals (sometimes biennials or perennials), (5–) 30–60 (–80) cm. Stems 1, ascending to erect, usually branched distally, sometimes proximally
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Copyright: Utah State University Plants loosely cespitose, rhizomatous. Culms 30-60 cm. Sheaths closed for about 3/4 their length, glabrous or scabrous-pubescent
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axillary shoots below 1st-order inflorescence or at proximal nodes, 30–60 (–80) cm. Leaf-blades linear-lanceolate, 10–20 (–22) × 1–3.5 (–4.5) mm, usually
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FNA Volume 20. Treatment on page 165. Mentioned on page 163, 166. Plants 30–60+ cm; caudices branching; vascular-bundles and petiole bases marcescent (attached
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Volume 19. Treatment on page 293. Mentioned on page 281, 282, 283. Plants 30–60 cm. Stems proximally usually glabrous, sometimes piloso-hirsute (hairs 1–5+
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in FNA Volume 21. Treatment on page 111. Mentioned on page 107. Plants 30–60+ cm (perennating bases ± erect, internodes not winged). Leaves all or mostly
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Stems (20–) 30–60 cm. Leaves: basal axils ± densely tomentose, terminal lobes (4–) 10–30 mm; cauline (2–) 3–8. Heads 5–60. Peduncles 2–8 cm. Phyllaries
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FNA Volume 21. Treatment on page 196. Perennials, 10–30 (–60) cm. Internodes (± mid-stem) 1–4 (–5+) cm. Leaves mostly cauline; opposite; petioles 0–1 mm,
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20. Treatment on page 601. Mentioned on page 577, 578, 579. Perennials, 30–60+ cm; taprooted (caudices relatively thick, weakly ascending or erect), sometimes
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with short rhizomes. Culms 30-350 cm. Sheaths glabrous; blades 30-60 cm long, 2-8 mm wide. Peduncles 0.7-7 cm; rames 1.5-2.5 cm, 1 almost sessile, the other
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