.
Ia, Ib, Ic, Id, Ie, If, Ig, Ih, Ii, Ij, Ik, Il, Im,
In, Io, Ip, Iq, Ir, Is, It, Iu, Iv, Iw, Ix, Iy, Iz, INr
Iranian Journal of Fuzzy Systems
Iranian Journal of Physics Research
IRAS infrared satellite
IRIS, ESRO-2B
Iris (Infrared Imaging Surveyor/Astro-F)
Iris (Tarachodidae)
Iris aphylla
Iris brevicaulis
Iris douglasiana
Iris hexagona
Iris japonica
Iris prismatica
Iris pseudacorus
Iris reichenbachii
Iris variegata
Iris verna var. verna
Iris virginica
Iris subg. Hermodactyloides
Iris subg. Iris
Iris subg. Limniris
Iris subg. Nepalensis
Iris subg. Scorpiris
Iris subg. Xiphium
Irwin, John Henry Barrows
A - B - C - D - E - F - G - H - I - J - K - L - M -