The whorled milkweed, a plant poisonous to livestock
By: by C. Dwight Marsh
Series: Department circular / United States Department of Agriculture -- 101; Department circular (United States. Dept. of Agriculture) -- 101.
Publisher: U.S. Dept. of Agriculture
Published: 1920
Place of publication: Washington, D.C
Language: eng
Subjects: Milkweeds; Livestock poisoning plants
Notes: "Contribution from the Bureau of Animal Industry."