Canada thistle (Carduus arvensis (L.) Robs.).
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
[Washington] :
[Govt. Print. Off],
[1900]
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| Series: | Circular (United States. Department of Agriculture) ;
no. 27. |
| Subjects: |
| Physical Description: | 14 pages : illustrations ; 23 cm. |
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