Black-eyed Susan; Yellow or Ox-eye Daisy; Nigger-head; Golden Jerusalem; Purple Cone-flower
Rudbeckia hirta
Flower-heads–From 10 to 20 orange-yellow neutral rays around a conical, dark purplish-brown disk of florets containing both stamens and pistil. Stem:
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Sneeze weed; Swamp Sunflower
Helenium autumnale
Flower-heads–Bright yellow, 1 to 2 in. across, numerous, borne on long peduncles in corymb-like clusters; the rays 3 to 5 cleft, and drooping around the yellow or yellowish-brown disk.
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Tall or Giant Sunflower
Tall or Giant Sunflower
Helianthus giganteus
Flower-heads–Several, on long, rough-hairy peduncles; 1-1/2 to 2-1/4 in. broad; 10 to 20 pale yellow neutral rays around
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