- Types:
- show 16 types...
- hide 16 types...
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Carduus crispus, welted thistle
European biennial introduced in North America having flower heads in crowded clusters at ends of branches
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Carduus nutans, musk thistle, nodding thistle
Eurasian perennial naturalized in eastern North America having very spiny white cottony foliage and nodding musky crimson flower heads; valuable source of nectar
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carline thistle
a thistle of the genus Carlina
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plume thistle, plumed thistle
any of numerous biennial to perennial herbs with handsome purple or yellow or occasionally white flower heads
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Cirsium discolor, field thistle
stout North American thistle with purplish-pink flower heads
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Cirsium helenioides, Cirsium heterophylum, melancholy thistle
perennial stoloniferous thistle of northern Europe with lanceolate basal leaves and usually solitary heads of reddish-purple flowers
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Cnicus benedictus, blessed thistle, sweet sultan
annual of Mediterranean to Portugal having hairy stems and minutely spiny-toothed leaves and large heads of yellow flowers
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Onopordon acanthium, Onopordum acanthium, Scotch thistle, cotton thistle, woolly thistle
biennial Eurasian white hairy thistle having pale purple flowers; naturalized in North America
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golden thistle
any of several spiny Mediterranean herbs of the genus Scolymus having yellow flower heads
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Carlina acaulis, stemless carline thistle
stemless perennial having large flowers with white or purple-brown florets nestled in a rosette of long spiny leaves hairy beneath; of alpine regions of southern and eastern Europe
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Carlina vulgaris, common carline thistle
Eurasian thistle growing in sand dunes and dry chalky soils
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Canada thistle, Cirsium arvense, creeping thistle
European thistle naturalized in United States and Canada where it is a pernicious weed
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Cirsium flodmanii, woolly thistle
thistle of western North America having white woolly leaves
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Cirsium rivulare, brook thistle
of central and southwestern Europe
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Cirsium lanceolatum, Cirsium vulgare, boar thistle, bull thistle, spear thistle
European thistle with rather large heads and prickly leaves; extensively naturalized as a weed in the United States
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Scolymus hispanicus, Spanish oyster plant
a golden thistle of southwestern Europe cultivated for its edible sweet roots and edible leaves and stalks; its yellow flowers are used as a substitute for saffron
