Kappaphycus's a genus of thalloid alga comprising seven species. Its members are known by a number of common names. Specimens can reach around 100 cm in size. The thalli take a crustose form. Kappaphycus produces carpospores. Species The valid species currently considered to belong to this genus are: K. alvarezii K. cottonii K. inerme K. inermis K. interme K. procrusteanum K. striatum… (More on Kappaphycus)