2 species
1 subspecies and varieties
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Ivesia gordoniigordon's ivesia, alpine mousetail
Distribution: Occurring chiefly east of the Cascades crest from central Washington south; central Washington to California, east to Montana, Wyoming, and Colorado.
Habitat: Rocky slopes, grassland, sagebrush, forest openings, and subalpine to alpines ridges.
Origin: Native
Flowers: June-August
var. gordonii – Gordon's ivesia
Ivesia tweedyiTweedy's mousetail
Distribution: Occurring east of the Cascades crest in Washington; Washington to Idaho and Montana.
Habitat: Dry, open to wooded areas, middle to high elevations in the mountains.
Origin: Native
Flowers: June-August