condition mean min max Sterile Frond 0.063408 0.0 0.190224 Fertile Frond 0.252615 0.0 0.757845 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 6.38764 1.3454 14.7189 Root 2.154589333333333 0.334138 3.39105