Fig. 2

Ferrous iron chelating (FIC) activity in fertile fronds and rhizomes of Drynaria sp. The figure shows six lines with different colors. The darker blue line represents “Drynaria quercifolia fertile fronds”. The red line represents “Drynaria rigidula fertile fronds”. The green line represents “Drynaria sparsisora fertile fronds”. The purple line represents “Drynaria quercifolia rhizome”. The lighter blue line represents “Drynaria rigidula rhizome”. The orange line represents “Drynaria sparsisora rhizome”