condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.016223333333333 0.0 9.04867 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.278715 0.415085 1.7371 Root 0.15103966666666666 0.0 0.453119