This group has small flowerheads in dense clusters, with small rays up to 5 mm long. Leaves are alternate and lance-shaped to linear or finely divided. Bracts are slender, in few overlapping rows.
Guide to Identify Presented Species of this group
Achillea millefolium Yarrow Aromatic perennial, 10-80 cm tall. Common on plains, slopes, disturbed ground.
Flowerheads white, with 3-5 rays 3-6 mm long, numerous in flat-topped clusters.
Leaves alternate, fern-like, 2-3 times pinnately divided into fine segments.
FLOWERS YELLOW, LEAVES SIMPLE, AT LEAST 5 MM BROAD
Solidago Goldenrod Plants leafy, hairless or hairy, 10-100 cm tall. Dry areas to moist thickets.
Flowerheads yellow, with mostly 7-13 rays, 1-5 mm long, in dense clusters.
Leaves alternate, often crowded, lance-shaped, usually entire, stalkless.