condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.4465236666666667 0.0 0.686509 Young Stem with Root 6.1513 0.0 18.4539 Mature Stem with Root 0.0 0.0 0.0 Root 4.700670000000001 0.0 10.3237