condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.16406833333333334 0.0 0.492205 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.474462 0.0 0.787233 Root 12.445829999999999 0.0 35.2632