Family: Asteraceae Aster Family
Genus: Cirsium Thistle
Spiny, biennial or perennial herbs (rarely annuals). Thistles of the genus Cirsium are distinguished by their feathery pappus from members of the genus Carduus (plumeless or simple pappus).
Scientific Name: Cirsium vulgare (Savi) Ten.
Common Name(s): Bull Thistle, Common Thistle, Spear Thistle, Fuller's Thistle
Growth Type: biennial
Species Description:
Click on the thumbnails to view large image.
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ID: Hrb-CIRVU-001
Source: 35mm slide (photo)
Credit:
Keyword(s): leaf
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ID: Hrb-CIRVU-002
Source: 35mm slide (photo)
Credit:
Keyword(s): flowering
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ID: Hrb-CIRVU-003
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescense, mature, vegetative
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ID: Hrb-CIRVU-004
Source: 35mm slide (photo)
Credit:
Keyword(s): vegetative
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ID: Hrb-CIRVU-005
Source: 35mm slide (photo)
Credit:
Keyword(s): flowering, vegetative
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ID: Hrb-CIRVU-006
Source: 35mm slide (photo)
Credit:
Keyword(s): flowering, inflorescense
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ID: Hrb-CIRVU-007
Source: 35mm slide (photo)
Credit:
Keyword(s): flowering
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ID: Hrb-CIRVU-008
Source: 35mm slide (photo)
Credit:
Keyword(s): flowering
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ID: Hrb-CIRVU-009
Source: 35mm slide (photo)
Credit:
Keyword(s): leaf, seedling
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ID: Hrb-CIRVU-010
Source: 35mm slide (photo)
Credit:
Keyword(s): leaf
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ID: Hrb-CIRVU-011
Source: 35mm slide (illustration)
Credit:
Keyword(s): leaf, seedling
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ID: Hrb-CIRVU-012
Source: 35mm slide (photo)
Credit:
Keyword(s): seedling
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ID: Hrb-CIRVU-013
Source: 35mm slide (photo)
Credit:
Keyword(s): flowering, vegetative
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ID: Hrb-CIRVU-014
Source: 35mm slide (photo)
Credit:
Keyword(s): leaf, vegetative
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ID: Hrb-CIRVU-015
Source: 35mm slide (photo)
Credit:
Keyword(s): leaf, vegetative
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 | Caption:
ID: Hrb-CIRVU-016
Source: 35mm slide (photo)
Credit:
Keyword(s): flowering, inflorescense, vegetative
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 | Caption:
ID: Hrb-CIRVU-017
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
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 | Caption:
ID: Hrb-CIRVU-018
Source: 35mm slide (photo)
Credit:
Keyword(s): flowering
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 | Caption:
ID: Hrb-CIRVU-019
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
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 | Caption:
ID: Hrb-CIRVU-020
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
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 | Caption:
ID: Hrb-CIRVU-021
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
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 | Caption:
ID: Hrb-CIRVU-022
Source: 35mm slide (photo)
Credit:
Keyword(s): mature, seed
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