*Aethusa cynapium Linnaeus. Common name: Fool's-Parsley. Phenology: Jun-Sep. Habitat: Disturbed areas. Distribution: Native of Europe. Introduced and naturalized in ne. United States, at least as far south as se. PA (Rhoads & Klein 1993), DE, and Pocahontas County, WV.
Origin/Endemic status: Eurasia
Taxonomy Comments: In Europe, several subspecies are often recognized (see synonymy); it is not well-understood how these entities relate to material naturalized in North America and for now we treat the species broadly. Ball (2024b) stated that most North American material best matched A. cynapium var. cynapium.
Synonymy ⓘ: = C, Can, F, FNA13, G, Il, K4, MC, Mi, NE, NY, Pa, Tat, WV; > Aethusa cynapium L. ssp. agrestis (Wallr.) Dostál — GBI3; > Aethusa cynapium L. ssp. cynapioides (M.Bieberstein) Arcang. — GBI3; > Aethusa cynapium L. ssp. cynapium — GBI3, POWO; > Aethusa cynapium ssp. elata — POWO; > Aethusa cynapium L. ssp. gigantea (Lej.) P.D.Sell — GBI3; > Aethusa cynapium ssp. segetalis — POWO. Basionym: Aethusa cynapium L. 1753
Links to other floras: = Aethusa cynapium - FNA13
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Heliophily ⓘ: 7
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