@misc{Marsh_Charles_Dwight_(1855–1932)_Larkspur_1940, author={Marsh, Charles Dwight (1855–1932) and Clawson, Arthur Brooks (1878–1937) and Marsh, Hadleigh (1888-?)}, copyright={Public Domain}, address={Washington}, journal={Publications of famous biologists - a collection of prints}, howpublished={online}, year={1940}, publisher={U. S. Department of Agriculture}, language={eng}, title={Larkspur or “Poison Weed”}, type={Text}, URL={http://rcin.org.pl/Content/134617/PDF/WA488_169210_19746_s2639.pdf}, keywords={Plants, Larkspur poisoning, Larkspur poisoning - symptoms - prevention of animal poisoning, Plants - Canada - the United States}, }