condition mean min max Sterile Frond 1.84417 0.0 5.53251 Fertile Frond 0.15404166666666666 0.0 0.462125 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0