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 Dalmation toadflax
Linaria dalmatica
- taller than yellow toadflax, growing up to 3 feet
- flowers are bright yellow with a tinge of orange
- leaves are broad, waxy and heart-shaped
- extremely important to manage when infestation is under 10 ft square - larger patches become a major production to eradicate
- contains poisonous glucoside
- persistence is the key to managing both toadflaxes
Yellow toadflax
Linaria vulgaris
- also known as butter-and-eggs or wild snapdragon
- grows up to 2 feet tall
- creamy yellow flowers have an orange throat
- aggressively invades rangeland
- displaces desirable plants, changing wildlife patterns
- contains a glucoside poisonous to livestock
- extensive root system makes the plant extremely difficult to control
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