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Keys
Vascular plant groups
Club mosses
Ferns
Vegetative key to families
Gymnosperms
Flowering plants
Genera
Families
Carduus L. >
Pappus
of
simple
bristles
Carduus
consider the other alternative
Flower heads solitary, spherical, 4–5 cm diam. Florets red-purple.
Biennial
up to 1.5 m high. Widespread. Weed of cultivation and waste places. Introd. from Europe. Fl. spring–summer. Musk or
Nodding
Thistle
Carduus nutansnutans