condition mean min max Sterile Frond 0.043693333333333334 0.0 0.13108 Fertile Frond 0.04491743333333333 0.0 0.0696338 Young Stem with Root 0.0203714 0.0 0.0611142 Mature Stem with Root 0.740186 0.382 1.29944 Root 4.848332 0.115393 13.808