Scrophulariaceae - figwort family
 

WeedsPoisonous PlantsHay Fever
Gerald A. Mulligan (Agriculture Canada, Ottawa, retired)
1600 Apeldoorn Ave., Ottawa, Ontario, Canada, K2C1V5
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Linaria vulgaris Mill., yellow toadflax, linaire vulgaire
Perennial, spreading by seeds and underground roots; allogamous; flowering stems 6 inches to 2 feet (15 cm. to 6 dm.) high; flowers irregular, yellow with a deep orange center; throughout; grasslands, cultivated fields, gardens, roadsides, and waste places; introduced from Europe and Asia.

Verbascum blattaria L., moth mullein, molène blattaire
Biennial, spreading by seeds; plants up to 6 feet (18 dm.) high; flowers yellow, rarely white; southern Ontario, and southward in the United States; old fields, roadsides, and waste places; introduced from Europe.

Verbascum thapsus L., common mullein, grande molène
Biennial, spreading by seeds; autogamous; stems 6 inches to 8 feet (15 cm. to 24 dm.) high; flowers yellow; throughout, but rare in mid-west; pastures, roadsides, and waste places; introduced from Europe.

Veronica serphyllifolia L. (sometimes placed in Plantaginaceae - plantain family), thyme-leaved speedwell, véronique à feuilles de serpolet
A fibrous rooted perennial with prostrate to semi-erect stems up to 12 inches (30) cm. long. Often roots at the nodes and can form a dense mat. Flowers are irregular and mostly whitish-blue with purple stripes. It was introduced here from Europe and is now a weed of short grass, of gardens and vacant lots, and on wet slopes. It occurs in the northern United States and Canada, ranging as far north as Yukon and Alaska. It is uncommon or absent in much of the Midwest.

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Weed Name Photo Weed Name Photo
yellow toadflax, linaire vulgaire yellow toadflax, linaire vulgaire
yellow toadflax, linaire vulgaire
(flowers)
moth mullein, molène blattaire
moth mullein, molène blattaire common mullein, grande molène
(rosette)
common mullein, grande molène common mullein, grande molène
common mullein, grande molène
(winter)
thyme-leaved speedwell, véronique à feuilles de serpolet
thyme-leaved speedwell, véronique à feuilles de serpolet thyme-leaved speedwell, véronique à feuilles de serpolet
(flowers close up)