A creeping or trailing European aromatic plant (Glechoma hederacea), widely naturalized in North America and having rounded, scalloped leaves and small purplish flowers.

• 亚欧活血丹：欧洲大陆一种蔓生芳香植物（欧活血丹活血丹属），在北美洲大量野生，有扇形圆叶，开紫色小花