condition mean min max Sterile Frond 2.934508 0.375244 5.41288 Fertile Frond 1.81475 0.0 3.56489 Young Stem with Root 1.7903633333333333 0.0 5.37109 Mature Stem with Root 0.4448186666666667 0.0 0.940099 Root 5.132753 0.0 14.4273