Central Washington Flora Project
Iris
Iris missouriensis- Western Blue Flag
Sisyrinchium
Sisyrinchium angustifolium- Blue Eyed Grass
Sisyrinchium douglasii- Grass Widows (Kittitas Co.)
Sisyrinchium inflatum- Purple Eyed Grass
Isoetes
Isoetes howellii Engelmann- Howell's Quillwort
Isoetes bolanderi Engelmann- Bolander's Quillwort
Isoetes echinospora Durieu- Spiny-spored Quillwort
Isoetes nuttallii A. Braun- Nuttall's Quillwort
Isoetes occidentalis L.F. Henderson- Western Quillwort
syn: Isoetes piperi L.
(incorrectly identified as I. lacustris in H&C)