Taxon  Report   4356    
Iris missouriensis  Nutt.
Rocky mountain iris,  Western blue flag
Iris missouriensis
© 2003 Michael Charters
Photos from
CalPhotos / Calflora
Iris missouriensis
© 2011 Robert Sivinski
Iris missouriensis
© 2000 Gary A. Monroe
Iris missouriensis, a monocot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Iris missouriensis
© 2018 Cynthia Powell
Genus: Iris
Communities: Yellow Pine Forest, Red Fir Forest, wetland-riparian


Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Iris missouriensis var. arizonica
PLANTS: Iris missouriensis var. pelogonus
PLANTS: Iris pariensis
. . .
More information about  Iris missouriensis
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 23, 2019).