Linaria vulgaris

1. Perennial with tap root and creeping root; snapdragon-like flower heads; produces clear juice from broken leaves; unbranched stems until flowering; narrow leaves attach directly to stems.
2. Herbicide control mid-summer; biological controls; repeated patch tillage.
3. Saskatchewan Invasive Plant Species Guide
   Identification Guide for Alberta Invasive Plants
   Weeds of the Prairies
   WeedsBMP App BC – iOS | Android

Photos