The growth and control of Canada thistle is covered here. Canada thistle plant Canada thistle [Cirsium arvense (L) Scop.] is a native of Eurasia and was probably introduced to America around 1750. Since that time it has spread throughout the northern part of the United States. Canada thistle is estimated to infest 800,000 acres in northern and western Nebraska. A perennial that reproduces from seed and by an extensive root system, Canada thistle is dioecious, with the male and female flowers on separate plants. For viable seed to be produced, both male and female plants need to be present
The history, identification and chemical, mechanical and cultural control of musk thistle are discus...
Includes the history, description and control measures of a variety of thistles in Iowa
Musk thistle (Carduus nutans L.) is an introduced invasive broadleaf weed native to Europe, North Af...
The growth and control of Canada thistle is covered here. Canada thistle plant Canada thistle [Cir...
Canada thistle [Cirsium arvense (L) Scop.] is one of the seven species defined by Nebraska law as a ...
4 pages; includes drawings. This archival publication may not reflect current scientific knowledge o...
Canada thistle infests about 100 thousand acres on 19 thousand farms in South Dakota, while perennia...
Canada thistle (Cirsium arvense) is a perennial, which grows from 3 to 6 feet in height and has an e...
Canada thistle infests about 100 thousand acres on 19 thousand farms in South Dakota, while perennia...
Alternate Names Synonyms Description Similar Species Family: Asteraceae Ecological Impact Biology an...
A member of the Aster family, Canada thistle is a vigorous, highly competitive species. Occurring in...
Canada Thistle (Cirsium arvense L.) is a perennial, deep-rooted, herbal weed from the family Asterac...
Canada thistle, Cirsium arvense L., is an aggressive invasive species that is found in the northern ...
Canada thistle is a clone forming perennial weed that spreads aggressively and is difficult to contr...
Scotch thistle (Onopordum acanthium) is an invasive species native to Eurasia. It was likely introdu...
The history, identification and chemical, mechanical and cultural control of musk thistle are discus...
Includes the history, description and control measures of a variety of thistles in Iowa
Musk thistle (Carduus nutans L.) is an introduced invasive broadleaf weed native to Europe, North Af...
The growth and control of Canada thistle is covered here. Canada thistle plant Canada thistle [Cir...
Canada thistle [Cirsium arvense (L) Scop.] is one of the seven species defined by Nebraska law as a ...
4 pages; includes drawings. This archival publication may not reflect current scientific knowledge o...
Canada thistle infests about 100 thousand acres on 19 thousand farms in South Dakota, while perennia...
Canada thistle (Cirsium arvense) is a perennial, which grows from 3 to 6 feet in height and has an e...
Canada thistle infests about 100 thousand acres on 19 thousand farms in South Dakota, while perennia...
Alternate Names Synonyms Description Similar Species Family: Asteraceae Ecological Impact Biology an...
A member of the Aster family, Canada thistle is a vigorous, highly competitive species. Occurring in...
Canada Thistle (Cirsium arvense L.) is a perennial, deep-rooted, herbal weed from the family Asterac...
Canada thistle, Cirsium arvense L., is an aggressive invasive species that is found in the northern ...
Canada thistle is a clone forming perennial weed that spreads aggressively and is difficult to contr...
Scotch thistle (Onopordum acanthium) is an invasive species native to Eurasia. It was likely introdu...
The history, identification and chemical, mechanical and cultural control of musk thistle are discus...
Includes the history, description and control measures of a variety of thistles in Iowa
Musk thistle (Carduus nutans L.) is an introduced invasive broadleaf weed native to Europe, North Af...