condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 12.37109 2.15169 32.5717 Young Stem with Root 0.043809999999999995 0.0 0.13143 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0