Horsetail a horse- poisoning weed
Groh, Herbert
Horsetail a horse- poisoning weed - Ottawa 1930 - 1-3 p. - Weed Canada Department of Agriculture. Circular No. 74 .
Horsetail a horse- poisoning weed - Ottawa 1930 - 1-3 p. - Weed Canada Department of Agriculture. Circular No. 74 .