Day: November 4, 2014

Spotted Knapweed (Centaurea maculosa)

This is often a favorite to hate in the central Arizona highlands. Knapweed is a pioneer species found in recently disturbed sites or openings. Once it has been established at a disturbed site, it continues to spread into the surrounding habitat. This species outcompetes natives through at least three methods: A tap root that sucks up water

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