condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.9595300000000004 0.0 8.87859 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.7688566666666667 0.0 8.30657 Root 1.03982 0.0 3.11946