Family: Apiaceae
Hollow-Stem Burnet-Saxifrage
[Pimpinella magna L., more... ]
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With hollow stem and prominently ribbed, pentagonal mericarps, and P. anisum L., with puberulent frs, are merely casual or waifs with us.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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