Families list
I
ICACINACEAE - 
Genera:5; Species:7 
(Apodytes dimidiata, Apodytes dimidiata var. acutifolia, Gomphandra coriacea, Gomphandra tetrandra, Miquelia dentata, Nothapodytes nimmoniana, Sarcostigma kleinii)
IRIDACEAE - 
Genera:1; Species:1 
(Belamcanda chinensis)
ISOETACEAE - 
Genera:1; Species:5 
(Isoetes coromandeliana, Isoetes dixitei, Isoetes sahyadriensis, Isoetes sampathkumarinii, Isoetes udupiensis)