condition mean min max Sterile Frond 3.21119 0.0 9.63357 Fertile Frond 0.9822233333333333 0.0 2.94667 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.267255 0.0 0.439211 Root 0.044165 0.0 0.132495