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School of Integrative Plant Science
Horticulture Section
Turfgrass and Landscape Weed ID
Turfgrass and Landscape Weed ID
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Weed ID
Broadleaf
Grass
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Cirsium vulgare - inflorescence
Bull thistle
Cirsium vulgare
Cirsium arvense - flowers
Canada thistle
Cirsium arvense
Dipsacus fullonum
Common teasel
Dipsacus fullonum
