Columbia to Los Angeles, California - America)
* (NE. America)
* Laminaria stenophylla (NE. America)

Other species in the Laminariales that may be considered as kelp:
* Alaria esculenta (North Atlantic)
* Alaria marginata Post. & Rupr. (Alaska and California - America)
* (C.Ag.) Saunders (Japan; Alaska, California