condition mean min max Sterile Frond 12.295420666666667 0.0 36.455 Fertile Frond 8.520557666666667 0.145556 25.2679 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0