condition mean min max Sterile Frond 3.926814333333333 0.0 10.9912 Fertile Frond 0.449097 0.0 1.24553 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.051637333333333334 0.0 0.154912 Root 0.0 0.0 0.0