Families (As per The Plant List)

 
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

I

ICACINACEAE - 9 ( Apodytes dimidiata, Apodytes dimidiata var. acutifolia, Gomphandra coriacea, Gomphandra tetrandra, Miquelia dentata, Natsiatum herpeticum, Nothapodytes nimmoniana, Pyrenacantha volubilis, Sarcostigma kleinii)

IRIDACEAE - 21 ( Aristea ecklonii, Babiana stricta, Babiana villosa, Belamcanda chinensis, Crocosmia crocosmiiflora, Crocosmia pottsii, Dierama pulcherrimum, Eleutherine bulbosa, Eleutherine palmifolia, Freesia refracta, Gladiolus dalenii, Gladiolus natalensis, Gladiolus primulinus, Iris germanica, Iris japonica, Iris unguicularis, Moraea iridioides, Neomarica gracilis, Sisyrinchium rosulatum, Watsonia rosea, Weihea zeylanica)