condition mean min max Sterile Frond 5.483046 0.0 15.485 Fertile Frond 1.07809 0.0 3.23427 Young Stem with Root 0.057439 0.0 0.172317 Mature Stem with Root 0.25800233333333333 0.0 0.608741 Root 0.163863 0.0 0.491589