Larkspur or "poison weed"
By: C. Dwight Marsh, A.B. Clawson, and Hadleigh Marsh
Edition: Rev. Jan. 1934.
Series: Farmers' bulletin / United States Department of Agriculture -- no. 988; Farmers' bulletin (United States. Department of Agriculture) -- no. 988
Publisher: U.S. Dept. of Agriculture
Published: 1934
Place of publication: Washington, D.C
Language: eng
Number of pages: 13
Subjects: Delphinium; Livestock poisoning plants
Notes: Originally issued July 1918.

"This bulletin is a revision of and supersedes Farmers' bulletin 531."