Heracleum maximum, commonly known as cow parsnip, is the only member of the genus Heracleum native to North America. It is also known as American cow-parsnip, Satan celery, Indian celery, Indian rhuba
The leaves are up to 40 cm (16 in) across and divided into lobes.
The seeds are 8–12 mm (5⁄16–1⁄2 in) long and 5–8 mm (3⁄16–5⁄16 in) wide.
Heracleum maximum Bart. Batiscan River banks, Quebec
Anthriscus sylvestris, known as cow parsley, wild chervil, Queen Anne's lace or keck, is a herbaceous biennial or short-lived perennial plant in the family Apiaceae. It is also sometimes called mother
Illustration from Köhler's Medicinal Plants
The base of a second-year plant in September and a young layer (Warming 1884)