condition mean min max Sterile Frond 3.21442 1.42476 6.45586 Fertile Frond 3.658691 0.688195 9.33636 Young Stem with Root 3.1543283333333334 0.425178 8.52403 Mature Stem with Root 3.66715 0.59749 7.87057 Root 0.9379833333333334 0.0 2.81395