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Some of the yarrow in Alaska is pink. I had it down as a separate species, A. borealis, but apparently it has now been lumped with A. millefolium. I'm actually not sure how to tell whether this is borealis or not, but that's what I had down in my notes.
Young plant in a prairie restoration
Achillea millefolium, known commonly as yarrow /ˈjæroʊ/ or common yarrow, is a flowering plant in the family Asteraceae. It is native to temperate regions of the Northern Hemisphere in Asia, Europe, and North America. In New Mexico and southern Colorado, it is called plumajillo (Spanish for 'little feather') from its leaf shape and texture. In antiquity, yarrow was known as herbal militaris, for its use in stanching the flow of blood from wounds. Other common names...