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Achene Development of Canada Thistle and Perennial Sowthistle

Published online by Cambridge University Press:  12 June 2017

Lyle A. Derscheid  and
Robert E. Schultz
Lyle A. Derscheid
Affiliation:
South Dakota State College
Robert E. Schultz
Affiliation:
South Dakota State College
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Extract

Canada thistle was named Carduus arvensis by Tabernaemontanus in 1687, Cirsium arvense by Tournefort in 1700, Serratula arvensis by Linné in 1753, Cirsium arvense by Scopoli in 1772, Carduus arvensis by Robson in 1777 and Cnicus arvensis by Hoffman in 1804. The name Cirsium arvense Tourn. was adopted, but more recently Canada thistle has been referred to as Cirsium arvense (L.) Scop. The cardinal number of chromosomes for the Cirsium genus is 17.

Type
Research Article
Information
Weeds , Volume 8 , Issue 1 , January 1960 , pp. 55 - 62
Copyright
Copyright © 1960 Weed Science Society of America 

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References

Literature Cited

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