This signifies an inherent and unavoidable trade off in the procedure of C4 photosynthesis. About 8,100 plant species use C4 carbon fixation, which signifies about 3% of all terrestrial species of crops. Although most C4 plants show kranz anatomy, there are, on the other hand, a couple of species that run a constrained C4 cycle without any distinctive bundle sheath tissue. 46% of grasses are C4 and with each other account for 61% of C4 species.