The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Bailey, L.H. & E.Z. Bailey. 1976. Hortus Third i–xiv, 1–1290. MacMillan, New York.
- Revision of North American Umbelliferae 125. 1888. (Rev. N. Amer. Umbell.)
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