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 16.391365033333333 0.0585701 48.1164 Root 1.5728719999999998 0.272826 4.12719