condition mean min max Sterile Frond 5.161059333333333 0.174671 14.4588 Fertile Frond 1.25796 0.0 2.56441 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.21423599999999998 0.0 0.642708 Root 0.18918533333333332 0.0 0.567556