Texas Vascular Plant Checklist:  Iridaceae
The Iris Family
(Magnoliophyta, Liliopsida, Liliidae)

 Alophia
   drummondii (Graham) R.C. Foster (purple pleatleaf)

 Belamcanda
   chinensis (L.) DC. (blackberry lily)

 Crocosmia
   × crocosmiiflora (V. Lemoine) N.E. Br. [aurea × pottsii]

 Herbertia
   lahue subsp. caerulea (Herbert) Goldblatt

 Iris
   brevicaulis Raf. (shortstem iris)
   fulva Ker-Gawl. (red flag)
   hexagona var. flexicaulis (Small) R.C. Foster (dixie iris)
   pallida Lam. (sweet iris)
   pseudacorus L. (yellow flag)
   virginica var. shrevei (Small) E. Anders. (virginia iris, southern blue flag)
   virginica var. virginica

 Nemastylis
   geminiflora Nutt. (prairie pleatleaf, celestial lily)
   nuttallii Pickering ex R.C. Foster (nuttall's pleatleaf)
   tenuis subsp. pringlei (S. Wats.) Goldblatt

 Sisyrinchium
   albidum Raf. (white blue-eye grass)
   angustifolium P. Mill. (bermuda blue-eye grass)
   atlanticum Bickn. (eastern blue eyed grass)
   biforme Bickn. (wiry blue-eye grass)
   campestre Bickn. (prairie blue-eye grass)
   cernuum (Bickn.) Kearney (nodding blue eyed grass)
   chilense Hook. (sword leaf blue eyed grass)
   demissum Greene (stiff blue eyed grass)
   iridifolium Kunth (spreading blue eyed grass)
   langloisii Greene (pale blue-eye grass)
   minus Engelm. & Gray (least blue-eye grass)
   montanum var. montanum
   rosulatum Bickn. (spreading blue-eye grass)
   sagittiferum Bickn. (spearbract blue-eye grass)