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Key F: Apiaceae with leaves 2-4× pinnately-ternately compound, the ultimate leaflets broader than 1 mm wide and many >25) and often imperfectly separated from one another (clone); fruits ornamented with hairs, bristles, barbs, or tubercles (clone)
Key G: Apiaceae with leaves 2-4× pinnately-ternately compound, the ultimate leaflets broader than 1 mm wide and many >25) and often imperfectly separated from one another (clone); fruits glabrous, not ornamented
1 Plants annual (perennial in Erigenia and sometimes Anthriscus), 0.5-8 (-10) dm tall; rays 1-7 (or to as many as 20 in Anthriscus, Torilis, and Aethusa).
......4 Plants perennial from a globose tuber; flowering Feb-Mar; [of rich forests]
......4 Plants annual (or sometimes a short-lived perennial in Anthriscus) from fibrous roots; flowering Apr-Jun; [of rich forests or weedy situations].
........5 Rays (1-) 3 (-5); mericarps 5.5-10 mm long, glabrous or pubescent with weak appressed hairs