Achillea filipendulina
ζ*A. filipendulina Lam. ζ*, fern-leaf yarrow, has been collected only once, a small patch established as a garden outcast in Christchurch. An erect perennial; lvs 2-3-pinnatisect, densely hairy, with mostly < 15 pairs of primary segments in mid-cauline lvs (fewer than in A. millefolium); corymbs with numerous small capitula; ligules yellow. (Caucasia, Iran, Afghanistan, C. Asia, 1958).
