condition mean min max Sterile Frond 0.7245084666666667 0.0426014 1.14606 Fertile Frond 2.4766247999999997 0.0456944 3.87194 Young Stem with Root 20.267566666666667 0.0 60.8027 Mature Stem with Root 3.329729 0.101777 8.23003 Root 29.3789 0.0 83.2