condition mean min max Sterile Frond 23.241130666666667 0.0 69.3066 Fertile Frond 0.71636 0.0 2.14908 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.15151 0.0 0.251218 Root 0.0 0.0 0.0