Equisetaceae - horsetail family
 

WeedsPoisonous PlantsHay Fever
Gerald A. Mulligan (Agriculture Canada, Ottawa, retired)
Equisetum arvense L., field horsetail, prÍle des champs
Perennial, spreading by spores and creeping rootstocks that send up new shoots. Stems of two types: light brown, unbranched, ones 4 to 10 inches (10 to 25 cm.) high, terminating in a cone; branched stems , 8 to 12 inches (20 to 30 cm.) high, with whorls of 4-angled green branches arising at the joints; throughout our area; railways, hayfields, roadsides, waste places, and open woods; native to North America.

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Weed Name Photo Weed Name Photo
field horsetail, prÍle des champs field horsetail, prÍle des champs
(underground rootstock with vegetative stems)
field horsetail, prÍle des champs
(F&M)
field horsetail, prÍle des champs
(3 vegetative stems)
field horsetail, prÍle des champs
(underground rootstock with fertile and vegetative stems)
field horsetail, prÍle des champs
(emerging shoots)