condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 5.032815333333333 0.206602 14.1809 Root 4.244843333333333 0.0 9.57645