condition mean min max Sterile Frond 0.03524633333333333 0.0 0.105739 Fertile Frond 0.175266 0.0 0.525798 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 7.9806799999999996 0.0 19.5934 Root 1.75461 0.0 3.23414