Rayless goldenrod (Aplopappus heterophyllus) as a poisonous plant /
by C. Dwight Marsh, Glenwood C. Roe and A.B. Clawson.

APA Citation

Marsh, C. Dwight (Charles Dwight)., Clawson, A. B., Roe, G. C. (1926). Rayless goldenrod (Aplopappus heterophyllus) as a poisonous plant. Washington, D.C.: U.S. Dept. of Agriculture.

MLA Citation

Marsh, C. Dwight (Charles Dwight), A. B Clawson, and G. C Roe. Rayless Goldenrod (Aplopappus Heterophyllus) As a Poisonous Plant. Washington, D.C.: U.S. Dept. of Agriculture, 1926.