Also sweet fennel, leaf fennel, wild fennel
Including bronze fennel (Foeniculum vulgare ‘Rubrum’)
This is no dainty herb to simply snip, but foliage to roll in, take armfuls of, and cook with. It is used in volume as a vegetable.
Whether it is pushing through cracks in the sidewalks, poking uninvited into polite gardens, climbing over sere hillsides, or cultivated in neat rows on commercial herb plantations, on a warm day you can smell common fennel from a block away. The powerful penetrating aroma (along with a taste to match) is what first sets it apart from Florence fennel.