condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.5440305666666667 0.0252277 7.08203 Young Stem with Root 0.040130533333333336 0.0186167 0.077987 Mature Stem with Root 0.008065899999999999 0.0 0.0241977 Root 0.0 0.0 0.0