Ivesia argyrocoma var. argyrocoma – “Silverhair Mousetail”

Also Known As: Silver-Haired Ivesia
Family: Rose (Rosaceae)
Bloom Period: Jun-Aug
Form: Perennial herb
Habitat: Exclusively in the Pebble Plains
Leaves: Tail-like and divided into dozens of leaflets; basal
Translation: “Ivesia” is named for Joseph Christmas Ives (1828-1868), who led the first U.S. government survey of the Colorado River; “argyrocoma” is Greek for “silver-haired,” which describes the foliage.
Notes: Flowering stems grow in a prostrate fashion; they are not just knocked down in this photo. Designated as “rare, threatened, or endangered in California and elsewhere” by the California Native Plant Society.