A. B. Clawson

Larkspur or "poison weed"

C. Dwight Marsh, A. B. Clawson, Hadleigh Marsh · University of North Texas Digital Library (University of North Texas) · 1913 · 16 citations

Toxic Effect of St. Johnswort (Hypericum Perforatum) on Cattle and Sheep

C. Dwight Marsh, A. B. Clawson · AgEcon Search (University of Minnesota, USA) · 1930 · 12 citations · Full text

Coyotillo (Karwinskia Humboldtiana) as a Poisonous Plant

C. Dwight Marsh, G. C. Roe, A. B. Clawson · AgEcon Search (University of Minnesota, USA) · 1928 · 11 citations · Full text