condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.3080833333333333 0.0 0.92425 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.0105660000000003 0.0 8.05648 Root 0.13923733333333335 0.0 0.417712