condition mean min max Sterile Frond 25.575241 0.0 76.4884 Fertile Frond 15.738800000000001 0.0 46.0583 Young Stem with Root 1.2443466666666667 0.0 3.73304 Mature Stem with Root 9.59009 0.0 28.4671 Root 0.0 0.0 0.0